SJ 20619-1997 General specification for microwave frequency synthesizers
Some standard content:
Military standard of the electronics industry of the People's Republic of China FL5895
SJ20619-97
General specification for microwave frequency synthesizer
Published on June 17, 1997
Implementation on October 1, 1997
Approved by the Ministry of Electronics Industry of the People's Republic of China Military standard of the electronics industry of the People's Republic of China General specification for microwave frequency synthesizer
General specification for microwave frequency synthesizer
1 Scope
1.1 Subject content
SJ20619-97
This specification specifies the general requirements for the design, manufacture, performance characteristics, quality assurance provisions, delivery preparation, etc. of microwave frequency synthesizers for communications (hereinafter referred to as synthesizers).
1.2 Scope of Application
This specification applies to the design, production, inspection and delivery of 300MHz~300GHz military communication frequency synthesizers, and is the basic basis for formulating product specifications.
2 cited documents
GB 1131489
GB 11315—89
GB 11316—89
GB 11449—89
GJB 179--86
GJB 362-87
GJB 367.1-87
GJB 367.2--87
GJB 367.3—87
GJB 367. 5—87
GIR 594—88
GJR 2072—94
3 Requirements
3.1 Qualification appraisal
N-type radio frequency coaxial connector
BNC-type radio frequency coaxial connector
SMA-type radio frequency coaxial connector
Waveguide flange
Counting sampling inspection procedures and tables
General specifications for printed boards
General technical conditions for military communication equipment Design and manufacturing requirements General technical conditions for military communication equipment Environmental test methods General technical conditions for military communication equipment Reliability identification test and acceptance test methods General technical conditions for military communication equipment Packaging, transportation and storage requirements Metal plating and chemical coating selection principles and thickness series Maintainability test and evaluation
The synthesizer submitted in accordance with this specification and product specifications shall be a product that has been qualified or approved for finalization. 3.2 Design
In addition to meeting the relevant requirements of Chapter 1 of GJB367.1, the design of the synthesizer shall also meet the following requirements: 3.2.1 When designing the synthesizer, the contractor shall consider: b. This specification and product specifications issued by the Ministry of Electronics Industry of the People's Republic of China on June 17, 1997 and implemented on October 1, 1997; c. The use requirements of the ordering party; c. The quality information feedback of each user unit on similar products. 3.2.2 The design of the printed circuit board used in the synthesizer shall comply with the provisions of GJB362. 3.2.3 The design of the synthesizer shall follow the principles of serialization and modularization, and standard parts shall be used to the maximum extent. 3.3 Structure
3.3.1 The shell of the combiner shall be a metal box, and the output end may be coaxial, waveguide or other forms specified by the product specification. The coaxial connector and waveguide flange shall comply with the provisions of GB11314, GB11315, GB11316 and GB11449.
3.3.2 The combiner shall have mounting holes or other mounting methods that can ensure its normal use. 3.4 Appearance Quality
3.4.1 The appearance of the combiner shall be beautiful and elegant, and the outer surface shall be free of scratches, bumps, deformation, etc.; the plating layer shall not crack or fall off.
3.4.2 The selection and thickness of the metal plating layer or chemical coating of the combiner shall comply with the provisions of GJB594. 3.5 Size and Weight
Under the premise of not affecting the performance, it shall be as small and light as possible; the specific indicators of size and weight can be specified by the product specification according to the use requirements.
3.6 Materials
3.6.1 The materials used in the synthesizer shall be selected in the order of national standards, national military standards, industry standards or industry military standards.
3.6.2 Newly developed materials shall pass technical appraisal and be used only after approval by the ordering party. 3.7 Components
3.7.1 The components used in the synthesizer shall comply with the provisions of national standards, national military standards, industry standards or industry military standards. Nationally certified high-quality products shall be given priority, and products with failure rate data shall be preferred. 3.7.2 The selected components shall generally have obvious model or parameter markings. 3.7.3 The selected components shall be strictly inspected and accepted in accordance with their product specifications, and shall be screened for aging according to reliability requirements before installation. 3.7.4 The selection of newly developed or imported components shall be approved by the quality management department of the contractor. 3.8 Marking
3.8.1 The following markings shall generally be on the synthesizer upon delivery; a. Product model, name, date of manufacture or bowing, name of the manufacturing unit; b. The sealing screws of the cover shall have sealing markings; c. The output terminal and power supply terminal shall have corresponding markings. 3.8.2 If the synthesizer has special markings, they shall be specified in the design documents. 3.8.3 The markings shall be clear, eye-catching, easy to read and understand. 3.9 Reliability
The mean time between failures MTBF (0,) of the synthesizer shall not be less than 10000h. If there are special requirements, they shall be specified in the order contract.
3.10 Maintainability
3.10.1 The parts of the synthesizer that need to be inspected and repaired shall have good accessibility. 3.10.2 The mean time to repair (MTTR) of the synthesizer shall not exceed 1h. 2
3.11 Interchangeability
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The interchangeability of the synthesizer shall comply with the requirements of Article 1.7 of GJB367.1. After replacing the same components (assemblies), parts and modules in the synthesizer, it should be able to work normally without adjustment. After slight adjustment, it should be able to meet the performance characteristics requirements. 3.12 Performance characteristics
3.12.1 Working frequency band (see Article 4.9.12.1) The working frequency band of the synthesizer is 300MHz~30GHz, and its body segmentation is determined by the product specification or according to user requirements. 3.12.2 Frequency step interval (see Article 4.9.12.2) Unless otherwise specified, the step interval of 25kHz, 100kHz, 125kHz, 1MHz or 5MHz should be preferred. 3.12.3 Frequency stability (see 4.9.12.3) The frequency stability limit range is generally 1×10-6/month to 1×10-8/month, and its specific value is determined by the product specification or user requirements.
3.12.4 Output power (see 4.9.12.4) It should generally not be less than 10dBm, and the change in the working frequency band should be less than 3dB. The specific requirements are determined by the product specification. 3.12.5 Spurious suppression (see 4.9.12.5) Spurious suppression should generally be greater than 60dB, and the specific value is determined by the product specification. 3.12.6 Spectral suppression (see 4.9.12.6) Spectral suppression should generally be greater than 30dB, and the specific requirements are determined by the product specification. 3.12.7 Phase noise (see 4.9.12.7) Single-sideband phase noise consists of two parts: continuous component and discrete component (including power frequency and its harmonic components). The single sideband phase noise spectrum density of the continuous sub-disk should not exceed the envelope value of the curve in Figure 1. The typical value is: Deviation from carrier frequency
100kHz
Single sideband phase noise spectrum density
- 60dBc/Hz
- 70dBc/Hz
-80dBc/Hz
-90dBc/Hz
Discrete components should generally not exceed 40dBc
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3.13 Environmental requirements
3.13.1 Low temperature
SJ 20619-97
A:-60dBc/Hz100Hz
B:-9odBc/Hz100kHz
Deviation from carrier frequency, Hz
Figure 1 Continuous component single sideband phase noise requirements Operating temperature: -25℃ (indoor equipment); -45C (outdoor equipment). Storage temperature: -55℃.
3.13.2 High temperature
Operating temperature: 45℃ (indoor equipment); 55℃ (outdoor equipment) Storage temperature: 70℃.
3.13.3 Vibration
The vibration test requirements shall be selected according to the specific use environment according to GJB367.2 (409 vibration test>, and the specific requirements shall be specified by the product specifications.
3.13.4 Shock
The shock test requirements shall be selected according to the specific use environment according to GIB367.2 <408 shock test>, and the specific requirements shall be specified by the product specifications.
3.13.5 Damp heat
The heat test requirements shall be selected according to the specific use environment according to GJB367.2 (411 damp heat test, and the specific requirements shall be specified by the product specifications.
3.13.6 Other environments
Other environmental requirements shall be specified by the product specifications in accordance with GJB367.2.4 Quality assurance provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections required by this specification. If necessary, the ordering party or the superior appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Conformity Inspection
SI20619-97
All products must comply with all requirements of Chapter 3 and Chapter 5 of this specification. The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality outline. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the requirements of the contract. Quality consistency sampling does not allow the submission of products that are known to be defective, nor can the ordering party be required to accept defective products. 4.2 Inspection Classification||tt ||The inspections specified in this specification are divided into:
. Identification inspection;
b. Quality consistency inspection.
4.3 Inspection basis
The inspection of products shall be based on the following documents:, order contract or agreement:
h. Product specification;
c. This specification.
4.4 Inspection conditions
4.4.1 Unless otherwise specified, various tests shall be carried out under normal test atmospheric conditions: Temperature: 15~35℃;
Relative humidity: 20%~80%.
Air pressure: air pressure of the test site.
4.4.2 Unless otherwise specified, during the inspection, the power supply voltage shall be within 2% of the rated value, and the power supply frequency shall be within ±2% of the rated value. within the range.
4.4.3 The test table used should have sufficient accuracy requirements. If there is no special provision, its measurement error should be less than one-third of the allowable error of the measured index.
4.4.4 The test instrument used should be qualified by measurement and have a certificate of qualification within the validity period given by the measurement unit. 4.5 Defect classification
The classification of fatal defects, serious defects and minor defects of products shall be specified in the product specifications or agreed upon by the contractor and the ordering party.
4.6 Appraisal and inspection
Appraisal and inspection shall be carried out when the design is finalized, the production is finalized, or there are major changes in the main design, process, components, etc. that affect the performance of the synthesizer.
Appraisal and inspection shall be carried out in a laboratory (field) approved by the ordering party or the superior appraisal agency. 4.6.1 Inspection samples
The inspection samples must be products that have passed the inspection of the contractor's quality inspection department and have complete inspection records. The number of samples should not be less than 2 units.
4.6.2 Inspection Items
The identification inspection items are shown in Table 1.
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Inspection Items
Appearance Quality
Dimensions and Weight
Components
Climbability
Maintainability
Interchangeability
Working Section
Frequency Step Interval
Particle Rate Constant
Output Power
Spurious Suppression
Harmonic Suppression
Phase Noise
Other Environments
SJ 20619 --97
Quality Compliance Inspection
Note: \○" indicates a required item; "A\" indicates an optional item; "—" indicates an unnecessary item. 4.6.3 Qualification Criteria
Chapter No.
Testing Party
Chapter No.
When all inspection items meet the requirements of Chapter 3 and Chapter 5, the appraisal inspection is judged to be qualified. If any inspection item does not meet the specified requirements, the inspection should be suspended. The contractor should analyze the unqualified items, find out the reasons and take corrective measures, and then continue to inspect the unqualified items and related items. If all inspection items meet the specified requirements, the appraisal inspection is still judged to be qualified. If there is still an item that does not meet the specified requirements after the continued inspection, it is judged to be unqualified.
4.6.4 Maintenance of Qualification for Appraisal
In order to maintain the qualification for appraisal inspection, the contractor shall submit test data regularly according to the requirements of the ordering party or the superior appraisal agency.
4.7 Quality consistency inspection
4.7.1 Inspection grouping
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Quality consistency inspection is divided into Group A, Group C and Group D. 4.7.2 Formation of inspection batch
The formation of inspection batch shall comply with the provisions of Article 3.6 of GJB 179. 4.7.3 Inspection items
The inspection items are shown in Table 1.
4.7.4 Group A inspection
4.7.4.1 Sampling
100% of the inspection batch products submitted by the contractor shall be subject to Group A inspection. The batch quality (expressed as the number of defects per 100 units) shall be specified by the product specification or the unit agreement.
4.7.4.2 Qualification criterion
The defective products shall be eliminated by the whole batch inspection method of each unit. According to the inspection results, if the number of defects found is equal to or less than the specified value, the batch is judged to have passed the Group A inspection, otherwise, the batch is judged to have failed the Group A inspection.
Fateful defects are not allowed in the Group A inspection. Once fatal defects are found, the batch is judged to have failed the Group A inspection. 4.7.4.3 Re-inspection
For batches that fail the Group A inspection, the manufacturer shall analyze the batch of products, find out the causes of the defects and take corrective measures before resubmitting them for inspection. The resubmitted batch shall be separated from the new batch and marked with "resubmitted batch". If the re-inspection is qualified, the batch is still judged to have passed the Group A inspection; if the re-inspection is still unqualified, the batch is judged to have failed the Group A inspection. 4.7.4.4 Sample processing
If defective products are found in the batch that passes the Group A inspection, the manufacturer shall be responsible for repairing them and meeting the requirements of the product specifications before they can be delivered in batches.
4.7.5 Group C inspection
When the number of batch products is greater than 5 units, sampling inspection shall be adopted. 4.7.5.1 Sampling
Samples for Group C inspection shall be randomly selected from the qualified batches of Group A inspection. According to GJB179, a normal sampling plan is adopted, and the special inspection level is S-2. The acceptable quality level (AQL) value is recommended to be selected as follows:
Serious defects: 10, 15, 25:
Minor defects: 40, 65, 100.
4.7.5.2 Qualification determination
According to the inspection results, if the number of defects found in the sample is not greater than the qualified determination number, the batch of products is judged to have passed the Group C inspection, otherwise the batch of products is judged to have failed the Group C inspection. 4.7.5.3 Re-inspection
If the sample fails the Group C inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the superior appraisal agency of the unqualified situation. After finding out the cause and taking corrective measures, all tests or inspections shall be re-performed, or only the unqualified items shall be tested and inspected, according to the opinions of the ordering party or the superior appraisal agency. When re-inspecting, the number of samples shall be increased. If the re-inspection still fails, the unqualified situation shall be notified to the superior appraisal agency. —7—
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4.7.5.4 Sample processing
SJ 20619-97
Unless otherwise specified, for samples that have undergone Group C inspection, the contractor shall repair all discovered or potential teeth and pass Group A inspection before delivery.
4.7.5.5 Inspection cycle
Unless otherwise specified, Group C inspection shall be carried out once for every three submitted batches, but not less than once a year. Group C inspection shall also be carried out when there are major changes in the structure, materials, process, etc. of the synthesizer that may affect the performance of the synthesizer.
4.7.6 Group D inspection
4.7.6.1 Inspection items
The inspection items for Group D are shown in Table 1.
4.7.6.2 Sampling
The samples for Group D inspection shall be randomly selected from the samples of the qualified batches of Group A inspection. The number of samples, inspection methods and qualified criteria shall be specified by the product specifications.
4.7.6.3 Failure
If the sample fails to pass the D group test, acceptance and delivery shall be stopped. The contractor shall notify the superior appraisal agency of the failure. After taking corrective measures, all tests or inspections shall be carried out again according to the opinions of the superior appraisal agency, or only the unqualified items shall be tested and inspected. If the inspection is still unqualified, the superior appraisal agency shall be notified of the failure. 4.7.6.4 Sample handling
Unless otherwise specified, samples that have passed the D group test are generally not delivered as formal products. How to deal with them shall be negotiated and resolved by the ordering party and the contractor.
4.7.6.5 Inspection cycle
Unless otherwise specified, the D group test shall be carried out only during the appraisal test, but the D group test shall also be carried out when there are major changes in the main design, process, key components and materials that have a significant impact on the performance of the synthesizer. 4.8 Packaging inspection
The test methods, inspection rules and failure criteria for packaging inspection shall be in accordance with the requirements of Chapter 6 of GJB367.5 and shall be specified by the product specifications.
4.9 Inspection method
4.9.1 General requirements
Inspection shall be carried out under the conditions specified in Article 4.3. 4.9.2 Design
Review the design of the synthesizer in accordance with the requirements of Article 3.2 and the requirements of the product specifications. 4.9.3 Structure
Inspect the structure of the synthesizer by visual inspection or measuring tools in accordance with the requirements of Article 3.3 and the requirements of the product specifications. 4.9.4 Appearance quality
Inspect the appearance of the synthesizer by visual inspection, and check the quality of its surface coating in accordance with the requirements of the product specifications and design documents. 4.9.5 Dimensions and weight
Inspect the dimensions and weight of the synthesizer by measuring tools and scales in accordance with the requirements of the product specifications and design documents. 4.9.6 Materials
Verify the material certificate and the inspection data provided by the quality inspection department in accordance with the requirements of the product specifications and design documents. If necessary, the brand, specification or performance of the material can be inspected by self-testing instruments. 8
4.9.7 Components
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According to the requirements of product specifications and design documents, verify the certificates of components and the inspection data provided by the quality inspection department. If necessary, visual inspection or instrumentation may be used to inspect the model, specification or performance of components. 4.9.8 Marking
Inspect by visual inspection in accordance with the provisions of Article 3.8. 4.9.9 Reliability
The reliability identification and acceptance test methods shall be specified by the product specifications in accordance with the scheme specified in GJB367.3. 4.9. 10 Maintainability
The maintainability test method shall be specified by the product specifications in accordance with the provisions of Appendix A Maintainability Test Method (Supplement) of GIB2072.
4.9.11 Interchangeability
After extracting the same functional parts, assemblies or spare parts for interchange, they shall meet the requirements of Article 3.11. 4.9.12 Performance characteristics
4.9.12.1 Working frequency band
The inspection of the working frequency band can be carried out during the inspection process of Articles 4.9.12.2 to 4.9.12.6. When the above inspection results meet the requirements, it can be determined that the working frequency band of the synthesizer meets the requirements. 4.9.12.2 Frequency step interval
For the test method of frequency step interval, see Appendix A (Supplement) A2. 4.9.12.3 Frequency stability
For the test method of frequency stability, see Appendix A (Supplement) A3. 4.9.12.4 Output power
For the test method of output power, see Appendix A (Supplement) A4. 4.9.12.5 Spurious suppression
For the test method of spurious suppression, see Appendix Appendix A (Supplement) A5. 4.9.12.6 Harmonic suppression
For the test method of harmonic suppression, see Appendix A (Supplement) A6. 4.9.12.7 Phase noise
For the test method of phase noise, see Appendix A (Supplement) A7. 4.9.13 Environmental test
4.9.13.1 Low temperature
The low temperature test shall be carried out in accordance with the method specified in GJB367.2 (401 Low temperature test). 4.9.13.2 High temperature
The high temperature test shall be carried out in accordance with the method specified in GIB367.2 (402
High temperature test).
4.9.13.3 Vibration
The vibration test shall be carried out in accordance with the method specified in GJB 367.2 (409
9 vibration test) Article 5.1. 4.9.13.4 Impact
The impact test shall be carried out in accordance with the method 1 specified in GJB 367.2 (408
3 impact test). 4.9.13.5 Wet heat
Condensation heat test shall be carried out in accordance with GJB 367.2 (411
Wet heat test>The method specified in Article 4.1, 4.9.13.6 Other environments
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Other environmental requirements shall be carried out in accordance with the relevant test methods in GJB367.2. 4.9.14 Packaging
The packaging test shall be carried out in accordance with the provisions of Article 5 of GJB367.5. 5 Delivery preparation
5.1 Packaging
The packaging requirements of the synthesizer:
. Use special packaging boxes for packaging. All waveguides and coaxial connectors should be protected by plastic; h. The packaging box should have moisture-proof and vibration-proof measures; c. The packaging box should contain product instructions, quality information feedback sheets, warranty sheets and certificates: d. The packaging box should have the product model, name, manufacturing unit or trademark. 5.2 Storage
Storage of synthesizer Storage requirements;
a, Storage temperature: -10～40℃;
b. Relative humidity: ≤80%;
c, The storage environment should be dry and ventilated, without acidic, alkaline and other corrosive gases. 5.3 Transportation
Avoid rain, water attack and violent mechanical collision during transportation. 6 Notes
6.1 Intended use
The synthesizer specified in this specification is mainly applicable to military communication systems, and also to other electronic systems with similar requirements. 6.2 Ordering documents
The ordering documents should specify the following contents:
Product model and name;
b, Product specification number:
Test data to be provided:
d Order quantity;
e, Whether special protective packaging and packing requirements are required: f. Whether there are special environmental and reliability requirements. 10 -
Test equipment requirements
A1.1 Test equipment name;
Directional: Microwave frequency counter;
Microwave power meter;
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Appendix A
Main parameter test method of microwave frequency synthesizer (supplement)
c. Spectrum analyzer (analysis bandwidth is not more than 10Hz); d.
Directional coupler.
A1.2 The allowable error of the test equipment shall comply with the provisions of 4.4.3 and 4.4.4. A2 Working frequency band, frequency step interval test test system block diagram
The test system block diagram is shown in Figure A1.
Tested synthesizer,
A2.2 Test steps
Directional coupler
Attenuator
Micro-frequency
Counter
a. Connect the instruments and equipment according to Figure A1, and adjust the system to work normally; b. Measure the highest working frequency fu and the lowest working frequency fL required by the synthesizer indicators; c. Check the minimum frequency step interval of the synthesizer; d. Record the test data.
A2.3 Result expression
Synthesizer working frequency band: fL=XX MHz,
fH=XX MHz,
Synthesizer minimum frequency step interval: XXMHz. A3 Frequency stability test
A3.1 Test block diagram
The test block diagram is shown in Figure A1.
A3.2 Test steps
TYKAOIKAca-3. 4.9.2 Design
Review the design of the synthesizer according to the requirements of 3.2 and the requirements of the product specifications. 4.9.3 Structure
Use visual inspection or measuring tools to inspect the structure of the synthesizer according to the requirements of 3.3 and the product specifications. 4.9.4 Appearance Quality
Inspect the appearance of the synthesizer by visual inspection, and check the quality of its surface coating according to the product specifications and design documents. 4.9.5 Dimensions and Weight
Use measuring tools and scales to inspect the dimensions and weight of the synthesizer according to the requirements of the product specifications and design documents. 4.9.6 Materials
Verify the material certificate and the inspection data provided by the quality inspection department according to the requirements of the product specifications and design documents. If necessary, use self-testing instruments to inspect the brand, specification or performance of the material. 8
4.9.7 Components
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According to the requirements of product specifications and design documents, verify the certificates of components and the inspection data provided by the quality inspection department. If necessary, visual inspection or instrumentation may be used to inspect the model, specification or performance of components. 4.9.8 Marking
Inspect by visual inspection in accordance with the provisions of Article 3.8. 4.9.9 Reliability
The reliability identification and acceptance test methods shall be specified by the product specifications in accordance with the scheme specified in GJB367.3. 4.9. 10 Maintainability
The maintainability test method shall be specified by the product specifications in accordance with the provisions of Appendix A Maintainability Test Method (Supplement) of GIB2072.
4.9.11 Interchangeability
After extracting the same functional parts, assemblies or spare parts for interchange, they shall meet the requirements of Article 3.11. 4.9.12 Performance characteristics
4.9.12.1 Working frequency band
The inspection of the working frequency band can be carried out during the inspection process of Articles 4.9.12.2 to 4.9.12.6. When the above inspection results meet the requirements, it can be determined that the working frequency band of the synthesizer meets the requirements. 4.9.12.2 Frequency step interval
For the test method of frequency step interval, see Appendix A (Supplement) A2. 4.9.12.3 Frequency stability
For the test method of frequency stability, see Appendix A (Supplement) A3. 4.9.12.4 Output power
For the test method of output power, see Appendix A (Supplement) A4. 4.9.12.5 Spurious suppression
For the test method of spurious suppression, see Appendix Appendix A (Supplement) A5. 4.9.12.6 Harmonic suppression
For the test method of harmonic suppression, see Appendix A (Supplement) A6. 4.9.12.7 Phase noise
For the test method of phase noise, see Appendix A (Supplement) A7. 4.9.13 Environmental test
4.9.13.1 Low temperature
The low temperature test shall be carried out in accordance with the method specified in GJB367.2 (401 Low temperature test). 4.9.13.2 High temperature
The high temperature test shall be carried out in accordance with the method specified in GIB367.2 (402
High temperature test).
4.9.13.3 Vibration
The vibration test shall be carried out in accordance with the method specified in GJB 367.2 (409
9 vibration test) Article 5.1. 4.9.13.4 Impact
The impact test shall be carried out in accordance with the method 1 specified in GJB 367.2 (408
3 impact test). 4.9.13.5 Wet heat
Condensation heat test shall be carried out in accordance with GJB 367.2 (411
Wet heat test>The method specified in Article 4.1, 4.9.13.6 Other environments
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Other environmental requirements shall be carried out in accordance with the relevant test methods in GJB367.2. 4.9.14 Packaging
The packaging test shall be carried out in accordance with the provisions of Article 5 of GJB367.5. 5 Delivery preparation
5.1 Packaging
The packaging requirements of the synthesizer:
. Use special packaging boxes for packaging. All waveguides and coaxial connectors should be protected by plastic; h. The packaging box should have moisture-proof and vibration-proof measures; c. The packaging box should contain product instructions, quality information feedback sheets, warranty sheets and certificates: d. The packaging box should have the product model, name, manufacturing unit or trademark. 5.2 Storage
Storage of synthesizer Storage requirements;
a, Storage temperature: -10～40℃;
b. Relative humidity: ≤80%;
c, The storage environment should be dry and ventilated, without acidic, alkaline and other corrosive gases. 5.3 Transportation
Avoid rain, water attack and violent mechanical collision during transportation. 6 Notes
6.1 Intended use
The synthesizer specified in this specification is mainly applicable to military communication systems, and also to other electronic systems with similar requirements. 6.2 Ordering documents
The ordering documents should specify the following contents:
Product model and name;
b, Product specification number:
Test data to be provided:
d Order quantity;
e, Whether special protective packaging and packing requirements are required: f. Whether there are special environmental and reliability requirements. 10 -
Test equipment requirements
A1.1 Test equipment name;
Directional: Microwave frequency counter;
Microwave power meter;
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Appendix A
Main parameter test method of microwave frequency synthesizer (supplement)
c. Spectrum analyzer (analysis bandwidth is not more than 10Hz); d.
Directional coupler.
A1.2 The allowable error of the test equipment shall comply with the provisions of 4.4.3 and 4.4.4. A2 Working frequency band, frequency step interval test test system block diagram
The test system block diagram is shown in Figure A1.
Tested synthesizer,
A2.2 Test steps
Directional coupler
Attenuator
Micro-frequency
Counter
a. Connect the instruments and equipment according to Figure A1, and adjust the system to work normally; b. Measure the highest working frequency fu and the lowest working frequency fL required by the synthesizer indicators; c. Check the minimum frequency step interval of the synthesizer; d. Record the test data.
A2.3 Result expression
Synthesizer working frequency band: fL=XX MHz,
fH=XX MHz,
Synthesizer minimum frequency step interval: XXMHz. A3 Frequency stability test
A3.1 Test block diagram
The test block diagram is shown in Figure A1.
A3.2 Test steps
TYKAOIKAca-3. 4.9.2 Design
Review the design of the synthesizer according to the requirements of 3.2 and the requirements of the product specifications. 4.9.3 Structure
Use visual inspection or measuring tools to inspect the structure of the synthesizer according to the requirements of 3.3 and the product specifications. 4.9.4 Appearance Quality
Inspect the appearance of the synthesizer by visual inspection, and check the quality of its surface coating according to the product specifications and design documents. 4.9.5 Dimensions and Weight
Use measuring tools and scales to inspect the dimensions and weight of the synthesizer according to the requirements of the product specifications and design documents. 4.9.6 Materials
Verify the material certificate and the inspection data provided by the quality inspection department according to the requirements of the product specifications and design documents. If necessary, use self-testing instruments to inspect the brand, specification or performance of the material. 8
4.9.7 Components
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According to the requirements of product specifications and design documents, verify the certificates of components and the inspection data provided by the quality inspection department. If necessary, visual inspection or instrumentation may be used to inspect the model, specification or performance of components. 4.9.8 Marking
Inspect by visual inspection in accordance with the provisions of Article 3.8. 4.9.9 Reliability
The reliability identification and acceptance test methods shall be specified by the product specifications in accordance with the scheme specified in GJB367.3. 4.9. 10 Maintainability
The maintainability test method shall be specified by the product specifications in accordance with the provisions of Appendix A Maintainability Test Method (Supplement) of GIB2072.
4.9.11 Interchangeability
After extracting the same functional parts, assemblies or spare parts for interchange, they shall meet the requirements of Article 3.11. 4.9.12 Performance characteristics
4.9.12.1 Working frequency band
The inspection of the working frequency band can be carried out during the inspection process of Articles 4.9.12.2 to 4.9.12.6. When the above inspection results meet the requirements, it can be determined that the working frequency band of the synthesizer meets the requirements. 4.9.12.2 Frequency step interval
For the test method of frequency step interval, see Appendix A (Supplement) A2. 4.9.12.3 Frequency stability bzxZ.net
For the test method of frequency stability, see Appendix A (Supplement) A3. 4.9.12.4 Output power
For the test method of output power, see Appendix A (Supplement) A4. 4.9.12.5 Spurious suppression
For the test method of spurious suppression, see Appendix Appendix A (Supplement) A5. 4.9.12.6 Harmonic suppression
For the test method of harmonic suppression, see Appendix A (Supplement) A6. 4.9.12.7 Phase noise
For the test method of phase noise, see Appendix A (Supplement) A7. 4.9.13 Environmental test
4.9.13.1 Low temperature
The low temperature test shall be carried out in accordance with the method specified in GJB367.2 (401 Low temperature test). 4.9.13.2 High temperature
The high temperature test shall be carried out in accordance with the method specified in GIB367.2 (402
High temperature test).
4.9.13.3 Vibration
The vibration test shall be carried out in accordance with the method specified in GJB 367.2 (409
9 vibration test) Article 5.1. 4.9.13.4 Impact
The impact test shall be carried out in accordance with the method 1 specified in GJB 367.2 (408
3 impact test). 4.9.13.5 Wet heat
Condensation heat test shall be carried out in accordance with GJB 367.2 (411
Wet heat test>The method specified in Article 4.1, 4.9.13.6 Other environments
TTKAONKAa
SJ20619-97
Other environmental requirements shall be carried out in accordance with the relevant test methods in GJB367.2. 4.9.14 Packaging
The packaging test shall be carried out in accordance with the provisions of Article 5 of GJB367.5. 5 Delivery preparation
5.1 Packaging
The packaging requirements of the synthesizer:
. Use special packaging boxes for packaging. All waveguides and coaxial connectors should be protected by plastic; h. The packaging box should have moisture-proof and vibration-proof measures; c. The packaging box should contain product instructions, quality information feedback sheets, warranty sheets and certificates: d. The packaging box should have the product model, name, manufacturing unit or trademark. 5.2 Storage
Storage of synthesizer Storage requirements;
a, Storage temperature: -10～40℃;
b. Relative humidity: ≤80%;
c, The storage environment should be dry and ventilated, without acidic, alkaline and other corrosive gases. 5.3 Transportation
Avoid rain, water attack and violent mechanical collision during transportation. 6 Notes
6.1 Intended use
The synthesizer specified in this specification is mainly applicable to military communication systems, and also to other electronic systems with similar requirements. 6.2 Ordering documents
The ordering documents should specify the following contents:
Product model and name;
b, Product specification number:
Test data to be provided:
d Order quantity;
e, Whether special protective packaging and packing requirements are required: f. Whether there are special environmental and reliability requirements. 10 -
Test equipment requirements
A1.1 Test equipment name;
Directional: Microwave frequency counter;
Microwave power meter;
SI 20619—97
Appendix A
Main parameter test method of microwave frequency synthesizer (supplement)
c. Spectrum analyzer (analysis bandwidth is not more than 10Hz); d.
Directional coupler.
A1.2 The allowable error of the test equipment shall comply with the provisions of 4.4.3 and 4.4.4. A2 Working frequency band, frequency step interval test test system block diagram
The test system block diagram is shown in Figure A1.
Tested synthesizer,
A2.2 Test steps
Directional coupler
Attenuator
Micro-frequency
Counter
a. Connect the instruments and equipment according to Figure A1, and adjust the system to work normally; b. Measure the highest working frequency fu and the lowest working frequency fL required by the synthesizer indicators; c. Check the minimum frequency step interval of the synthesizer; d. Record the test data.
A2.3 Result expression
Synthesizer working frequency band: fL=XX MHz,
fH=XX MHz,
Synthesizer minimum frequency step interval: XXMHz. A3 Frequency stability test
A3.1 Test block diagram
The test block diagram is shown in Figure A1.
A3.2 Test steps
TYKAOIKAca-2 Frequency step interval
For the test method of frequency step interval, see Appendix A (Supplement) A2. 4.9.12.3 Frequency stability
For the test method of frequency stability, see Appendix A (Supplement) A3. 4.9.12.4 Output power
For the test method of output power, see Appendix A (Supplement) A4. 4.9.12.5 Spurious suppression
For the test method of spurious suppression, see Appendix A (Supplement) A5. 4.9.12.6 Harmonic suppression
For the test method of harmonic suppression, see Appendix A (Supplement) A6. 4.9.12.7 Phase noise
For the test method of phase noise, see Appendix A (Supplement) A7. 4.9.13 Environmental test
4.9.13.1 Low temperature
The low temperature test shall be carried out in accordance with the method specified in GJB367.2 (401 Low temperature test). 4.9.13.2 High temperature
The high temperature test shall be carried out in accordance with the method specified in GIB367.2 (402
High temperature test).
4.9.13.3 Vibration
The vibration test shall be carried out in accordance with the method specified in GJB 367.2 (409
9 vibration test) Article 5.1. 4.9.13.4 Impact
The impact test shall be carried out in accordance with the method 1 specified in GJB 367.2 (408
3 impact test). 4.9.13.5 Wet heat
Condensation heat test shall be carried out in accordance with GJB 367.2 (411
Wet heat test>The method specified in Article 4.1, 4.9.13.6 Other environments
TTKAONKAa
SJ20619-97
Other environmental requirements shall be carried out in accordance with the relevant test methods in GJB367.2. 4.9.14 Packaging
The packaging test shall be carried out in accordance with the provisions of Article 5 of GJB367.5. 5 Delivery preparation
5.1 Packaging
The packaging requirements of the synthesizer:
. Use special packaging boxes for packaging. All waveguides and coaxial connectors should be protected by plastic; h. The packaging box should have moisture-proof and vibration-proof measures; c. The packaging box should contain product instructions, quality information feedback sheets, warranty sheets and certificates: d. The packaging box should have the product model, name, manufacturing unit or trademark. 5.2 Storage
Storage of synthesizer Storage requirements;
a, Storage temperature: -10～40℃;
b. Relative humidity: ≤80%;
c, The storage environment should be dry and ventilated, without acidic, alkaline and other corrosive gases. 5.3 Transportation
Avoid rain, water attack and violent mechanical collision during transportation. 6 Notes
6.1 Intended use
The synthesizer specified in this specification is mainly applicable to military communication systems, and also to other electronic systems with similar requirements. 6.2 Ordering documents
The ordering documents should specify the following contents:
Product model and name;
b, Product specification number:
Test data to be provided:
d Order quantity;
e, Whether special protective packaging and packing requirements are required: f. Whether there are special environmental and reliability requirements. 10 -
Test equipment requirements
A1.1 Test equipment name;
Directional: Microwave frequency counter;
Microwave power meter;
SI 20619—97
Appendix A
Main parameter test method of microwave frequency synthesizer (supplement)
c. Spectrum analyzer (analysis bandwidth is not more than 10Hz); d.
Directional coupler.
A1.2 The allowable error of the test equipment shall comply with the provisions of 4.4.3 and 4.4.4. A2 Working frequency band, frequency step interval test test system block diagram
The test system block diagram is shown in Figure A1.
Tested synthesizer,
A2.2 Test steps
Directional coupler
Attenuator
Micro-frequency
Counter
a. Connect the instruments and equipment according to Figure A1, and adjust the system to work normally; b. Measure the highest working frequency fu and the lowest working frequency fL required by the synthesizer indicators; c. Check the minimum frequency step interval of the synthesizer; d. Record the test data.
A2.3 Result expression
Synthesizer working frequency band: fL=XX MHz,
fH=XX MHz,
Synthesizer minimum frequency step interval: XXMHz. A3 Frequency stability test
A3.1 Test block diagram
The test block diagram is shown in Figure A1.
A3.2 Test steps
TYKAOIKAca-2 Frequency step interval
For the test method of frequency step interval, see Appendix A (Supplement) A2. 4.9.12.3 Frequency stability
For the test method of frequency stability, see Appendix A (Supplement) A3. 4.9.12.4 Output power
For the test method of output power, see Appendix A (Supplement) A4. 4.9.12.5 Spurious suppression
For the test method of spurious suppression, see Appendix A (Supplement) A5. 4.9.12.6 Harmonic suppression
For the test method of harmonic suppression, see Appendix A (Supplement) A6. 4.9.12.7 Phase noise
For the test method of phase noise, see Appendix A (Supplement) A7. 4.9.13 Environmental test
4.9.13.1 Low temperature
The low temperature test shall be carried out in accordance with the method specified in GJB367.2 (401 Low temperature test). 4.9.13.2 High temperature
The high temperature test shall be carried out in accordance with the method specified in GIB367.2 (402
High temperature test).
4.9.13.3 Vibration
The vibration test shall be carried out in accordance with the method specified in GJB 367.2 (409
9 vibration test) Article 5.1. 4.9.13.4 Impact
The impact test shall be carried out in accordance with the method 1 specified in GJB 367.2 (408
3 impact test). 4.9.13.5 Wet heat
Condensation heat test shall be carried out in accordance with GJB 367.2 (411
Wet heat test>The method specified in Article 4.1, 4.9.13.6 Other environments
TTKAONKAa
SJ20619-97
Other environmental requirements shall be carried out in accordance with the relevant test methods in GJB367.2. 4.9.14 Packaging
The packaging test shall be carried out in accordance with the provisions of Article 5 of GJB367.5. 5 Delivery preparation
5.1 Packaging
The packaging requirements of the synthesizer:
. Use special packaging boxes for packaging. All waveguides and coaxial connectors should be protected by plastic; h. The packaging box should have moisture-proof and vibration-proof measures; c. The packaging box should contain product instructions, quality information feedback sheets, warranty sheets and certificates: d. The packaging box should have the product model, name, manufacturing unit or trademark. 5.2 Storage
Storage of synthesizer Storage requirements;
a, Storage temperature: -10～40℃;
b. Relative humidity: ≤80%;
c, The storage environment should be dry and ventilated, without acidic, alkaline and other corrosive gases. 5.3 Transportation
Avoid rain, water attack and violent mechanical collision during transportation. 6 Notes
6.1 Intended use
The synthesizer specified in this specification is mainly applicable to military communication systems, and also to other electronic systems with similar requirements. 6.2 Ordering documents
The ordering documents should specify the following contents:
Product model and name;
b, Product specification number:
Test data to be provided:
d Order quantity;
e, Whether special protective packaging and packing requirements are required: f. Whether there are special environmental and reliability requirements. 10 -
Test equipment requirements
A1.1 Test equipment name;
Directional: Microwave frequency counter;
Microwave power meter;
SI 20619—97
Appendix A
Main parameter test method of microwave frequency synthesizer (supplement)
c. Spectrum analyzer (analysis bandwidth is not more than 10Hz); d.
Directional coupler.
A1.2 The allowable error of the test equipment shall comply with the provisions of 4.4.3 and 4.4.4. A2 Working frequency band, frequency step interval test test system block diagram
The test system block diagram is shown in Figure A1.
Tested synthesizer,
A2.2 Test steps
Directional coupler
Attenuator
Micro-frequency
Counter
a. Connect the instruments and equipment according to Figure A1, and adjust the system to work normally; b. Measure the highest working frequency fu and the lowest working frequency fL required by the synthesizer indicators; c. Check the minimum frequency step interval of the synthesizer; d. Record the test data.
A2.3 Result expression
Synthesizer working frequency band: fL=XX MHz,
fH=XX MHz,
Synthesizer minimum frequency step interval: XXMHz. A3 Frequency stability test
A3.1 Test block diagram
The test block diagram is shown in Figure A1.
A3.2 Test steps
TYKAOIKAca-2 Test steps
Directional coupler
Attenuator
Micro-frequency
Counter
a. Connect the instruments and equipment according to Figure A1, and adjust the system to work normally; b. Measure the highest working frequency fu and the lowest working frequency fL required by the synthesizer indicators; c. Check the minimum frequency step interval of the synthesizer; d. Record the test data.
A2.3 Result expression
Synthesizer working frequency band: fL=XX MHz,
fH=XX MHz,
Synthesizer minimum frequency step interval: XXMHz. A3 Frequency stability test
A3.1 Test block diagram
The test block diagram is shown in Figure A1.
A3.2 Test steps
TYKAOIKAca-2 Test steps
Directional coupler
Attenuator
Micro-frequency
Counter
a. Connect the instruments and equipment according to Figure A1, and adjust the system to work normally; b. Measure the highest working frequency fu and the lowest working frequency fL required by the synthesizer indicators; c. Check the minimum frequency step interval of the synthesizer; d. Record the test data.
A2.3 Result expression
Synthesizer working frequency band: fL=XX MHz,
fH=XX MHz,
Synthesizer minimum frequency step interval: XXMHz. A3 Frequency stability test
A3.1 Test block diagram
The test block diagram is shown in Figure A1.
A3.2 Test steps
TYKAOIKAca-
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