GB/T 3789-2013Measurements of electrical properties of transmitting tubes (English PDF)
发射管电性能测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 12, 2013
Implementation date
April 15, 2014
Scope
GB/T 3789-2013 is the English-translated version of 发射管电性能测试方法.
GB/T 3789-2013 is the Chinese standard "Measurements of electrical properties of transmitting tubes". Its scope clause reads: This standard specifies the test method for the electrical properties of transmitting tubes, test equipment requirements and testing rules.
This standard applies to the anode dissipation power of 25W and above the launch tube test. Its clauses include terms and definitions.
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Document preview — GB/T 3789-2013
National Standard of the People's Republic of China
- ICS
- 31.100
- Classification
- L 36
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 2 General requirements
- 11 maximum anode dissipation power and anode overload dissipation power 19 Test Method
- 27 power gain of 41 Test Method
- 30 low frequency luminance nonlinear Test Method
1 Scope
This standard specifies the test method for the electrical properties of transmitting tubes, test equipment requirements and testing rules.
This standard applies to the anode dissipation power of 25W and above the launch tube test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2421.1 electric and electronic products environmental testing and Overview Guide
GB/T 2987 Tube Parameter Symbol
GB/T 4597 tubes vocabulary
GB/T 6277-1986 Methods of measurement for television transmitters
3 Terms and Definitions
GB/T 4597 and GB/T 2987 defined by the following terms and definitions apply to this document.
3.1 Static characteristic curve
Under the provisions of the operation, the relevant parameter has only one characteristic curve (parametric relationship between the two) DC values.
3.2 Anode characteristic curve
When the remaining electrode voltage holding value, a first gate voltage takes a certain value, and the anode current versus anode voltage (a first gate electrode
Anode current versus voltage and anode voltage for different values of the composition of the characteristic curve family).
3.3 Anode - the first gate characteristic plate-gridNo.1characteristiccurve
Setting remaining voltage holding electrode, the anode voltage takes a certain value, and the first anode current versus gate voltage (anode voltage takes
Anode current versus gate voltage different from the first value when the composition of the characteristic curve family).
3.4 First gate characteristic gridNo.1characteristiccurve
When the rest of the electrode voltage is kept constant, the anode voltage takes a certain value, a first gate current and gate voltage of the first curve (anode
A first gate current versus voltage of the first gate voltage for different values of the composition of the characteristic curve family).
3.5 First gate - anode characteristic curve gridNo.1-platecharacteristiccurve
Holding the remaining electrode voltage value, the first gate voltage takes a certain value, and a first gate current versus anode voltage (first gate
Current curve first gate voltage and anode voltage for different values of the composition of the characteristic curve family).
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 41 pages — is available in the English PDF.
Referenced standards
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