This blank detailed specification is a supplementary document to GB 11478 "General Specification for Video Tubes". It specifies the format and contents of the detailed specification. GB/T 11479-1989 Blank Detailed Specification for Video Tubes (for certification) GB/T11479-1989 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Blank detail specification for camera tubes
Blank detail specification for camera tubes
(For certification)
GB 11479-89
This blank detail specification is a supplementary document to GB 11478 General Specification for Camera Tubes. It specifies the format and contents of the detail specification.
Instructions for the beginning of a blank detail specification
The numbers in square brackets on the blank detail specification page shall correspond to the instructions given below. Identification of the detail specification
[1] Name of the national standardization body authorized to draft the detail specification. [2] IEC symbol and number of the national detail specification as assigned by the IECQ CMC. [3] Number and publication number of the national general specification, [1] National or other number of the detail specification, date of publication and any further information required by the national system together with the number of any amendment (if any).
Identification of video calculation
[5] Brief description of tube type.
: 67 Typical structural information (if required). [7] Appearance drawing and (or) relevant reference documents of the appearance drawing. [8] Application.
Note: If the designed electron tube can meet multiple applications, it should be indicated in the detailed specification. The requirements for these applications should be listed at the same time (depending on the specific situation, these requirements can be listed in different columns of the same detailed specification or in different detailed specifications). 9] Reference data of the most important performance of various tube types for comparison. Approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on March 21, 1989 and implemented on March 1, 1990
Quality assessment according to GB11478-8 only
Detailed specification
Photoconductive camera tube
Description and structure
Focusing and deflection method
Panel diameter
Optical range (visible, ultraviolet, infrared, etc.)Network connection (i.e. separated or non-separated network) 2
Appearance drawing (not for inspection)
Electric shuttle wiring diagram
Characteristics (not for inspection))
5.1 Mechanical
Installation location and magnetic shielding
Environment (if required)
GB 11479—89
3 Application invitation
Measured assessment level
3 Limiting value (absolute maximum rating, see CB 5839 Rating system for electron tubes and similar semiconductor devices 3) 5.3
Hot wire voltage
Voltage between hot wire and cathode
Hot wire is at positive potential relative to cathode
Hot wire is at negative potential relative to lower cathode
First electrode [adding electrode) voltage
Focusing electrode voltage
Modulating electrode voltage
Grid voltage
Surface electrode illumination
Panel temperature
Signal electrode voltage
For the effectiveness of the detailed technical specifications, see the relevant qualified product record. Note: "*" indicates the content that should be filled in the detailed specifications. Ua
6 Working conditions and typical characteristics (not for inspection) Hot wire current, when U,= V
Scanning size
Calibration coil DC (or magnetic field)
GB1147989
When the electron tube works under the following given conditions, the characteristic value that can be achieved, Um=*V
L, = *V
2— *V
Magnetic induction intensity of focusing magnetic field
Scanning standard*
Panel temperature = *C
At least one of the following should be written in the detailed specifications (1) Signal electrode voltage at the time of training current I.-*nA is at the panel illumination E=*[x, signal current
floating rate, for *line pair/mm, (or TV line or MHz) given amplitude response attenuation behavior, after the light stops *mg, percentage of signal amplitude (2) At the panel illumination E=*1x. Signal electrode voltage at the time of signal current = *nA is at the time of dark current
dropping rate, for *line pair/mm, (or TV line or MHz ) Given amplitude response desensitization. After the light stops *ms, the percentage of the signal amplitude (3) When the panel illumination E = *1x, the signal current dark current spectrum when the signal pole voltage = *V also flows
percentage, for * line pairs/mm, or electrical gauge lines or MHz) Given amplitude response desensitization, after the light stops ms, the percentage of the signal amplitude Jiang: "+\ sign indicates the content that should be filled in the detailed specification. Mark (see GB11478 1.4)
Ordering information
Related documents (see GB11478 "General Specification for Camera Tubes") 9
Structural similarity
11 X-ray radiation
GB 1147989
Warning sign for health hazards and recommended safety measures. 12 Additional information
The manufacturer shall give:
Advice for installing the video tube;
Location (or model) of the deflection coil;
Recommendation on the impedance of the relevant circuit;
Recommendation on the shielding of the magnetic field near the electron tube and the location and direction of the magnetic components; Recommendation on the operation of the electron tube to obtain appropriate or optimal performance (including alignment procedures); Characteristic relationship curves and panel optical characteristic diagrams (if applicable). 13 Test conditions and inspection requirements
The table gives the test conditions and inspection requirements. According to the requirements of the given tube type, the test conditions used should be specified in the detailed specifications and be consistent with the corresponding test requirements in GB11478 "General Specification for Video Tubes" and GB11480 "Test Methods for Video Tubes". Unless otherwise specified, all referenced clause numbers shall be the corresponding clause numbers in GB11478 or GB11480. Group A - Batch-by-Batch Inspection
General test conditions (special tests are specified separately) See GB11480. All charges are relative to the cathode.
All tests are non-destructive,
Inspection or test
Group A1
Visual inspection
Steam content
Signal current and sensitivity
: Signal pole output pressure
Signal current
No. 21 voltage
Culling current
Signal current
Cited from GB 11480
3.3 of GB 11478
3.19 of GB 11480Www.bzxZ.net
GH 11480 3.5
Test conditions
3.3 of GB 11478 3
Connection regulations
At least one of the following conditions should be selected-
(1) Dark current
Ia= *nA
E= * lx
（2) Signal current
I,= *nA
E=* Ix
（3）Signal electrode voltage
According to regulations
hA/μA
Inspection or test
Dark current
Photocathode integral sensitivity
Image defect
Group A2
Modulation electrode cut-off voltage
Signal current uniformity and ()
Dark current uniformity
.-Relative straight line graph current (or magnetic field)
--Maximum control current
Group A3
Hot wire current
Leakage current between hot wire and cathode
GB 11479-89
Cited from GB1 180
GB 11490 3.24
GB 11480 3.7
GB 3.8 of 11480
GE 11480 3.11.
GB 11480 3.13
GB 11480 3.22
GB 11180 F1 3.1
GI 11480 3.2
Note: "" indicates the content to be filled in the detailed specification. Group B
General test conditions are the same as those of Group A.
Tests marked with (D) are destructive.
Manufacture inspection or testing
Main summer scale
GB 11478
GR 11478 - 3.4
Test conditions
(determined by disappearance of negative afterimage)
As specified
As specified
As specified
As specified
As specified
As specified
As specified
Avoid batch inspection
Test conditions
3.4 ​​of G 11478
If additional destructive tests are included in the detailed specification, these tests should be marked with (D).
General test conditions are the same as those of group A.
Tests marked with (D)) are destructive. Reference
Inspection or test
CI interval
Resolution
Good resistance
Motor current
GB 11480
The cycle is 3 months
3.9 in GB11480
3. 10 in GR 11480. 2
3.3 of GB11180
Periodic inspection
Test conditions
As specified
As specified
As specified
As specified in detailed specification
See inspection drawing
Inspection or test
2 Grouping
Noise effect
Geometric nonlinearity
Signal conversion characteristics
Image (image retention or burn-in)
GB11480
Period is 1 year
GB 1147989
Test conditions
GB 11480 3.14
GB 11480 3.17
GB 11480 3. 23
3.15
In GB 11480, if the detailed specification lists additional destructive tests, these tests should be marked with (D). Group D
General test conditions are the same as those of Group A.
Tests marked with (D) are destructive.
Inspection or test
GR 11478
As per regulations
As per regulations
As per regulations
Assessment and approval test
Test conditions
Inspection requirements
Minimum［
［Maximum
As per relevant test procedure regulations
As per regulations
If the detailed specification has this group of inspections, the number of samples and the number of qualified delimitations shall be in accordance with the provisions of Article 2.4 of GB 1147B. If the test is destructive, these tests shall be marked with (D)
Note: " " indicates the content that is not written in the detailed specification. Appendix to detailed specifications
Each detailed specification shall include the following appropriate records, the inspection drawing gives the dimensions of each group of exposure inspection, and also gives the position of the alignment coil diagram used for the relevant electrical performance test; h.
Test conditions and specification requirements,
[Emperor defects
Additional notes:
This standard was drafted by the Electronic Standardization Institute of the Ministry of Machinery and Electronics Industry and the 772 Factory. The main drafters of this standard are Hu Zhenqing, Xu Dazhang, and Zhu Shengliang.
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