This standard specifies the technical requirements, test methods, inspection rules, packaging, marking, transportation, storage and appearance, safety, and functional normality detection methods of digital storage oscilloscopes (hereinafter referred to as oscilloscopes), as well as the test methods for the main performance characteristics. This standard applies to digital storage oscilloscopes or digital storage devices, and is the common technical basis for the design, production and use of oscilloscope products, and is also the basis for the formulation of oscilloscope product standards. GB/T 15289-1994 General Technical Requirements and Test Methods for Digital Storage Oscilloscopes GB/T15289-1994 Standard Download Decompression Password: www.bzxz.net

National Standard of the People's Republic of China
Digital storage osclloscope
General specification and test method for digital storage osclloscopes Part 1 General specification
1 Main content and scope of application
1.1 Subject content
GB/T 15289--94
This standard specifies the technical requirements, test methods, inspection rules, packaging, marking, transportation, storage and appearance, safety, function normality detection methods, and main performance characteristics test methods of digital storage oscilloscopes (oscilloscopes for short). 1.2 Scope of Application
This standard applies to digital storage oscilloscopes or mathematical storage devices. It is the common technical basis for the design, production and use of oscilloscope products, and is also the basis for formulating oscilloscope product standards. 2 Citation standards
GB191 packaging storage and transportation diagram mark
GB.4793 safety requirements for electronic measurement instruments
GB6586
General Cathode Ray Oscilloscope Technical conditions
GB 6587.1
Electronic measurement instruments
Environmental test general outline
Electrical Sub-testing instrument
GB 6587.2
electronic measuring instrument
GB 6587.3
GB 6587.4
GB 6587.6
GB 6587.8
GB 6592
temperature test
mix test|| tt||Electronic measuring instruments
Vibration test
Electronic measuring instruments
Spray test
Transportation test
Electronic measuring instruments
Power frequency and voltage test
Electronic measuring instruments
General provisions for errors of electronic measuring instruments||tt| t||Quality Inspection Rules of Electronic Measuring Instrument
GB6593
GB6833.9#
Electrical Measuring Instrument Electromagnetic Compatibility Test Specification Conductive Interference Test GB6833.10
Electrical Measuring Instrument Electromagnetic Compatibility Test Specification Radiation Interference Test: Reliability Test of Electronic Measuring Instrument Test
GB11463
GH/T 13166 Electronic measuring instrument design margin and simulation misuse test GB11465 Electronic measuring instrument thermal distribution map
SJ946 Electronic measuring instrument electrical, mechanical structure basic requirements for the State Technical Supervision Bureau approved 1994-12-06 1995-07-01 implementation||tt| |GB/T15289—94
Preparation of random technical documents for SJ2259 Electronic measurement instruments 3 terms
Except for the terms specified in this standard, other terms should comply with the provisions in the GB6586 standard. 3.1 Digital storage oscilloscope Digital storage oscilloscope is a kind of storage oscilloscope which converts the measured analog signal into digital, stores it, processes it, and then restores it into analog signal for display.
3.2 Digitizing rate digitizing rate
is the sampling rate, which is the number of samples of the analog input signal per unit time. The digitizing rate is usually expressed in frequency (Hz) or sampling points per second (MS/s).
3.3 Record length
The number of samples required to acquire the waveform each time.
3.4 ​​Storage capacity memurysizc
Indicates the ability of a digital storage oscilloscope to store signals. 3.5 Converter converter
3.5.1 Analog-to-digital converter (ADC or A/D) analox-digil.alconvertcr A converter that uses a finite number of digital output codes to represent all analog input values ​​within a specified input range. 3.5.2 Digital-to-analog converter (IJAC or D/A) digital-analog convertercricr A converter that uses a set of discrete analog output values ​​to represent corresponding, finite, and different digital input codes. 3.6 Display
3.6.1 Dot display dotdisplay
refers to the display of a waveform composed of dots on the screen. 3.6.2 Sine interpolation display sin.:/x:typeinterpolationdisplay A display that interpolates a sine wave signal using the sinr/ function. 3.6.3 Pulse interpolation display (pulse interpolation display) A display that interpolates pulse signals using straight lines. 3.7 Signal Processing
3.7.1 Averaging
Data is collected multiple times from a response event and averaged to improve the signal-to-noise ratio. 3.7.2 Peak detection (envelope method) Peak-detection is a method of observing waveform changes by displaying the maximum and minimum values ​​of the waveform in the scan when the measured signal is sampled at the highest digitization rate. It is used to observe the envelope of the image and detect glitches in the signal. 3.8 Resolution
3. 8. 1 Vertical resolutionThe number of binary digits corresponding to the minimum analog value that can be resolved in the vertical direction. It usually depends on the number of bits of the analog-to-digital converter and is often expressed in bits or the number of levels per grid. 3.8.2 Horizontal resolution The number of digits corresponding to the smallest time increment that can be distinguished in the horizontal direction. It usually depends on the capacity of the display memory. The band is expressed in the number of digits or points per grid.
3.9 Storage bandwidth storage bandwidthrh3.9.1 Single storage bandwidth (effective storage bandwidth) signal storage bandwidth refers to the maximum bandwidth that can be achieved by a single sampled signal, which depends on the maximum digitization rate and the display technology used. 3.9.2 Repetitive storage bandwidth (equivalent storage bandwidth) repetitive storage bandwidth GB/T 15289--94
Repetitive storage bandwidth refers to the maximum bandwidth that can be achieved by the sampled repetitive signal. 3.10 Pre-trigger/post-trigger has the ability to select the trigger point according to the time relationship of the waveform. Events before and after the trigger can be observed. 3.11 Scroll display
refers to a display mode in which the waveform is continuously pushed out from one end of the screen to the other end. 3.12 Cursor cur5or
is a mark used to identify a specified position on an image. 3.13 Glitch
A spike interference signal superimposed on the measured signal. 3.14 External clock extcrnal clock
External clock signal for sampling the input signal. 3.15 record output record output
A device that outputs Y, X axis and other signals to facilitate recording. 3.16 Interface
The interface for exchanging data with the outside world and controlling other devices. 4 Product classification
4.1 Variety classification
By usage requirements, such as measurement and observation
By number of displayed traces, such as single trace and multi-trace
By time base unit, such as single scan and double scan; By frequency bandwidth, such as 1MHz and 100 MHz.
By feature requirements, such as simple, multifunctional and intelligent. Other product-related characteristics should be indicated in the classification content of the product label. 4.2 Structural classification
Desktop, portable, rack-mounted, etc. The structural type should be indicated in the product standard. 4.3 Power supply classification
The power supply used can be divided into DC, AC, and AC/DC. The power supply types and requirements are given in the product standards. 4.4 Environmental classification
Should be in accordance with GB6587.1 and the group should be indicated in the product standard. 4.5 Safety classification
Should be in accordance with the provisions of GB4793, generally Class I safety instruments, and marked in the product standard. 5 Technical requirements
5.1 General requirements
5.1.1 Error
The various errors given in the product standard shall comply with the provisions of GB 6592. For technical requirements not specified in this standard, necessary tolerances and requirements may be given in the product standard in combination with the characteristics of the product. 5.1.2 Warm-up time
Should be given in the product standard.
5.2 Appearance and structural requirements
According to the requirements of SI916, the structure of the display should be complete, without obvious mechanical damage and plating damage, and all control components must be installed correctly, semi-solid and reliable, and flexible to operate.
5.3 Safety requirements
GB/T 15289-94
According to the provisions of GB 4793, the safety category, insulation resistance, voltage and leakage current should be given in the product standard. 5. 4 Functional normality
Can be given in the product standard.
5.5 Performance characteristics
5. 5. 1 Performance characteristics of non-storage system
5.5.1.1 Y-axis system
5.5.1.1.1 Working mode
The working mode should be given in the product standard, such as eleven, etc. 5. 5. 1. 1. 2 Input coupling
For oscilloscopes using DC amplifiers, in the input coupling mode, in addition to direct coupling (DC), the input terminal should also have a DC isolation device and a grounding device.
5. 5. 1. 1. 3 Displacement
Vertical displacement: should be given in the product standard: Displacement linearity error: should be given in the product standard! b.
c. Dynamic range: can be given in the product standard. 5.5.1.1.4 Auxiliary input impedance
The input resistance value and relative error should be given in the product standard, and the parallel capacitance value and absolute error should also be given. 5. 5. 1. 1. 5 Maximum input voltage
The maximum input voltage at the specified frequency should be given in the product standard. 5.5.1.1.6 Deflection factor
The deflection factor level should preferably adopt the 1, 2, 5-base series, and the range and error should be given in the product standard. Fine-tuning range: If there is such a device, the fine-tuning ratio can be given, and the fine-tuning device should ensure the level coverage; a.
b. Expansion, if there is such a device, the expansion ratio value and ratio error value should be given. 5.5.1.1.7 Amplitude linear error
It should be given in the product standard.
5.5.1.1.8 Bandwidth
The bandwidth under different coupling modes should be given in the product standard. 5.5.1.1.9 Transient response
Rise time: should be given in the product standard: Overshoot: should be given in the product standard:
Damping: can be given in the product standard;
Pulse top unevenness: can be given in the product standard Droop can be given in the product standard;
DC characteristics, can be given in the product standard.
Note: ① In the product standard, the corresponding bandwidth or rise time should be given for all deflection factor levels. For oscilloscopes with a bandwidth of more than 100 MHz, the value of damping or pulse unevenness can be given in the product standard. 5.5.1.1.10 Apparent signal delay time
When there is a delay line device, it should be given in the product standard. 5.5.1.1.11 Channel delay time difference
For multi-trace oscilloscopes with a bandwidth of more than 30 MHz, it should be given in the product standard. 5.5.1.1.12 Drift
. Long-term source drift: should be given in the product standard; b. Short-term drift: can be given in the product standard. 5.5.1.1.13 Noise
. Open circuit noise: should be given in the product standard; b. Short circuit noise: can be given in the product standard. 5.5.1.1.14 Channel isolation
should be given in the product standard of multi-channel oscilloscope. 5.5.1.1.15 Common mode rejection ratio
should be given in the product standard of multi-channel oscilloscope. 5.5.1.2 X-axis and time base system
5.5.1.2.1 Working mode
GB/T 15289-94
should be given in the product standard: such as normal, automatic (or self-excitation), single, etc. 5. 5. 1.2.2 Display mode
Should be given in the product standard: such as delayed scanning, bright, delayed scanning, alternating, etc. 5. 5. 1. 2. 3 Displacement
Should be given in the product standard.
5.5.1.2.4 External trigger (or external X-axis) input impedance Should be given in the product standard.
5. 5. 1. 2. 5 X-axis deflection factor
When this device is installed, it should be given in the product standard. 5.5.1.2.6 X-axis bandwidth and zy phase difference, X-axis bandwidth should be given in the product standard. b. Phase difference: When this device is installed, it should be given in the product standard. 5.5.1.2.7 Scan time factor
The scan time factor level should preferably use 1, 2, 5-base series, and the range and error should be given in the product standard. Micro-adjustment: If this device is installed, the fine adjustment ratio should be given, and the fine adjuster should ensure the level coverage. a.
h expansion, if this device is installed, the expansion ratio value and ratio error value should be given. 5.5.1.2.8 Scanning linear error
Should be given in the product standard.
5.5.1.2.9 Delay time range
When this device is installed, it should be given in the product standard. 5.5.1.2.10 Delay time scale linear error When this device is installed, it should be given in the product standard. 5.5.1.2.11 Trigger (synchronization) characteristics
Trigger (synchronization) threshold: Should be given in the product standard: h
Trigger (synchronization) frequency: Should be given in the product standard; Trigger (synchronization) working mode: Should be given in the product standard: d, external fusion (synchronization). Should be given in the product standard. 5. 5. 1. 2-12 Motion
3. Single time base: The time base vibration value should be given in the product standard: b. Dual time base; The delay wobble ratio should also be given in the product standard. *5.5.1.2.13 Time base signal output
The amplitude and polarity of the synchronous output signal should be given in the product standard. 5.5.2 Storage system performance characteristics
5.5.2.1 Y axis system
5.5.2.1.1 Deflection factor
CB/T1528994
The deflection factor level should preferably use the 1, 2, 5 base series, and the range and error should be given in the product standard. 5.5.2.1.2 Vertical resolution
It should be given in the product standard.
5.5.2.1.3 Vertical displacement range
It should be given in the product standard.
5.5.2.1.4 Single storage bandwidth
Should be given in the product standard, and indicate its display method and the amplitude of the drop. 5.5.2.1.5 Repeated storage bandwidth
Should be given in the product standard.
5.5.2-1.6 Repeated storage rise time
Should be given in the product standard
5. 5.2. 1.7 Repeated storage overshoot
Should be given in the product standard.
5.5.2.1.8 Channel isolation
Can be given in the product standard. Www.bzxZ.net
5.5.2. 1. 9 Common mode rejection ratio
Can be given in the product standard.
5. 5.2.2 X-axis and time base system
5. 5.2.2. 1 Digitization rate
The maximum digitization rate shall be given in the product standard. 5.5.2.2.2 Record length
The product standard shall be given.
5. 5. 2.2. 3 Storage capacity
May be given in the product standard.
5.5.2.2.4 Horizontal resolution
The product standard shall be given.
5. 5. 2. 2. 5 Horizontal displacement
May be given in the product standard.
5. 5.2.2. 6 Scanning time factor
The number level within the scanning time shall preferably adopt the 1, 2, 5-base sequence, and the range and error shall be given in the product standard. 5.5.2.2.7 Pre-trigger/post-trigger
The product standard shall give the information.
5.5.2.3 Signal acquisition and processing
5. 5. 2. 3. 1 Peak detection
The product standard shall give the minimum pulse width for capturing glitches. 5. 5.2.3.2 Averaging function
The product standard shall give the average number of times.
5. 5. 2. 4 Display mode
The product standard shall give the display mode: such as point display, sine interpolation display, pulse interpolation display and scrolling functions. 5.5.2.5 Cursor measurement
The product standard shall give the accuracy of measuring time interval and amplitude difference. 5.5.2.6 External clock
CB/T15289—94
When this device is available, the product standard shall give the frequency value, pulse width and amplitude. 5.5.2.7 Recording output
When this device is available, the product standard shall give the recording speed and deflection factor. 5.5.2.8 Interfaces
When there is such a device, the interface name and function should be given in the product standard. 5.5.3 Display system
5.5.3.1 Oscilloscope
U. Model and name;
b. Effective 1. Working surface: height (h) x width (h);. Inspection working surface: height () x width ().
Note: Unit em or div.
5.5.3.2 Geometric distortion
When there is an image adjustment device, the corresponding error can be given in the product standard. Edge linearity deviation value,
b, verticality deviation value;
t, average degree deviation value.
5.5.3.3 External modulation (2. axis)
When this device is provided, the following contents shall be given in the product standard: Input resistance:
h. Maximum input voltage
c. Boost voltage and polarity;
d. Maximum boost frequency.
5.5.4 Calibration signal
5.5.4.1 Calibration signal amplitude error
Should be given in the product standard.
5.5.4.2 Calibration signal frequency error
Should be given in the product standard,
5.5.5 Probe
When there is a control pole, the product standard shall give the characteristics when working in combination with the product. Probe name (model):
Input impedance and tolerance;
Maximum input voltage;
Attenuation ratio and error:
Rise time;
f. Others.
5. 5. 6 Others
5. 5.6. 1 Dimensions
The structural requirements of the oscilloscope shall comply with the provisions of IEC 6004-946, and the following items must be specified in the product standard: Type: such as desktop, portable, rack-mounted, etc. a.
h. Dimensions: width, height, depth, and the maximum external dimensions may also be given. 5. 5. 6-2 Mass
The mass of the whole machine or the mass of the host, plug-in unit, and accessories shall be given in the product standard (unit: kg). 5.5.6.3 Power supply
GB/T15289-94
Should comply with the relevant provisions of GB6587.8, and the power supply type, corresponding voltage and frequency tolerances shall be given in the product standard. 5.5.6.4 Apparent power
The apparent power (V·A) or power consumption (W) shall be given in the product standard. 5.6 Environmental test adaptability requirements
According to the provisions of GB6587.1, the environmental group and transportation condition level to which the oscilloscope is applicable shall be given in the product standard. 5.7 Other safety requirements
According to the provisions of GB4793, specific requirements shall be given in the product standard. 5.8 Electromagnetic compatibility requirements
According to the provisions of GB6833.9 and GB6833.10. 5.9 Reliability requirements
According to the provisions of GB11463, the reliability test plan and the lower limit value m1 of the mean time between failures should be given in the product standard. 5.10 Thermal distribution requirements
According to the provisions of GB11465.
5.11 Design margin and simulated misuse requirements
According to the requirements of GB/T13166.
6 Test methods
6.1 General test requirements and principles
The test requirements should be determined according to the different characteristics of the product and the principles specified in this article. 6.1.1 The sequence and method of environmental tests should be carried out in accordance with the provisions of GB6587.1 to 6587.6. 6.1.2 The environmental recording of the laboratory should generally be carried out according to the reference conditions in GB6587.1 unless otherwise specified in the product standard. 6.2 Performance test
According to the provisions of the second part of this standard. 6.3 Environmental test
6.3.1 Temperature test
Perform in accordance with the provisions of GB6587.2.
6.3.2 Pot life test
Perform in accordance with the provisions of GB6587.3.
6. 3. 3 Vibration test
Perform in accordance with the provisions of GB6587.4.
6.3.4 Impact test
Perform in accordance with the provisions of GB6587.5.
6. 3. 5 Transport test
Perform in accordance with the provisions of GB6587.6.
6.3.6 Power supply frequency and voltage test
Perform in accordance with the provisions of GB6587.8.
6.4 Safety requirements
Perform in accordance with the provisions of GB4793.
6.5 Reliability test
Perform according to the scheme specified in GB11463 and product standards. 6.6 Thermal distribution requirements
Perform according to the provisions of GB11465.
6.7 Electromagnetic compatibility test
CB/T 15289-94
Perform according to the provisions of GB6833.9 and GB6833.10. 6.8 Design margin and simulated misuse
Perform according to the provisions of GB/T 13166.
7 Inspection rules
Should be carried out in accordance with the provisions of GB 6593.
7.1 Inspection classification
7.1. 1 Qualification inspection
Usually divided into design finalization qualification inspection and production finalization qualification inspection, inspection is carried out according to the characteristic items in Table 2 and the provisions of product standards. 7.1.2 Quality consistency inspection
Quality consistency inspection should be carried out on batch or continuously produced products. According to the characteristic items in Table 3 and the provisions of product standards, inspections of Groups A, B, C, D, E and F should be carried out.
- Inspection of main performance characteristics (including appearance and safety). Group A-
Group C--- Inspection of non-main performance characteristics.
Environmental test.
Capacitor compatibility test.
Thermal distribution test, design margin and simulated misuse test, reliability test.
7.2 Inspection items
The items of identification inspection and quality consistency inspection shall comply with the provisions of Table 1. The performance characteristics inspection items of identification inspection shall comply with the provisions of Table 2. The performance characteristics inspection items of quality consistency inspection shall comply with the provisions of Table 3. The contents not included in Table 2 and Table 3 can be added in the product standards as needed.
7.3 Inspection method
Inspection shall be carried out in accordance with the relevant test methods specified in this standard and the test methods specified in the second part of this standard as well as the test methods of the characteristics added in the product standard.
7.4 Sampling method
The sampling method and number of the test sample shall comply with the provisions of Table 4. 7.5 Qualification criterion
Qualification criterion shall be carried out in accordance with the requirements of the project content specified in GB 6593. Table Inspection Items
Inspection Items
Appearance Inspection
Safety Test
Other Safety Requirements
Main Performance Characteristics
Non-Main Performance Characteristics
Temperature Test
Fading Test
Motion Test
Impact Test
Verification Inspection
Inspection Items
Operation and Withdrawal Test
Power Frequency and Voltage Test
Electromagnetic Capacitance Test
Heat Distribution Test
Design Margin and Simulated Misuse Test
Reliability Test
Note: The meanings of the symbols in the table are as follows,
Inspection must be carried out,
GB/T15289—94
Continued Table 1
Identification Inspection
O—Inspection shall be carried out when necessary, as determined by the product standard.Table 2
Property item name
Expression and structural requirements
Safety requirements
Function positive banding
Vertical displacement
Displace linear error
Dynamic range
Input anti-injection
Maximum input voltage
Road solution system characteristic item
Y-axis deviation The factor of transformation Fan Guoyu
Hui Tuning Ratio
Expand Divergence
Amplitude Linear Error
Train Width
Rise Time
Characteristic Test Item Date
Authorization Inspection
Tag Demonstration
Tag Demonstration
Status Removal
Status-Removal
Status-Resistance Project Name
Pulse Top Unevenness
Point flow characteristics
Optical signal delay time
Channel delay time difference
Channel interval height
Common mode rejection ratio
Permanent displacement range
Outward fused input impedance
X-axis deflection factor range and
System characteristic terms
X Axis bandwidth
ay phase difference
scan time solid number Fan Guo and
time number fine-tuning ratio
extend set difference
scan linear error
deflation time range
deflation time scale linear error
tt||trigger characteristics
tt||it signal output| |tt||GB/T 15289—94
Continued Table 2
Identification and Inspection
Property Item Name
Y-axis Deflection Factor Range and
Vertical Displacement Range
Single Drink Storage Hope
Repeat Fin Storage Hope
Repeat Storage Hit Time
Repeated storage upsurge
Channel trap retardation
Common mode suppression ratio
Bondian special
Horizontal displacement
Sweep cat time-watching
Take the cat's time-watching
Peak and kill the Yuan
Average function
Curror continental quantity
Outer clock
Record Excerpted
Edge-continued true line deviation value
vertical deviation value
parallelism deviation value
General external luminous (Z-axis)
Calibration signal amplitude error
Calibrated signal frequency error
GB/T 15289-94
Continued Table 2| |tt||Authorization and Inspection
High Voltage
Safe Test
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