GB/T 3789-2013 English PDF

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US$1169.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 3789-2013: Measurements of electrical properties of transmitting tubes
Status: Valid

GB/T 3789: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3789-2013	1169	Add to Cart	8 days	Measurements of electrical properties of transmitting tubes	Valid
GB/T 3789.1-1991	199	Add to Cart	2 days	Measurements of the electrical properties of transmitting tubes--General	Obsolete

Similar standards

GB/T 12631 GB/T 6257

Basic data

Standard ID: GB/T 3789-2013 (GB/T3789-2013)
Description (Translated English): Measurements of electrical properties of transmitting tubes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L36
Classification of International Standard: 31.100
Word Count Estimation: 53,541
Older Standard (superseded by this standard): GB/T 3789.1-1991; GB/T 3789.2-1991; GB/T 3789.3-1991; GB/T 3789.4-1991; GB/T 3789.5-1991; GB/T 3789.6-1991; GB/T 3789.7-1991; GB/T 3789.8-1991; GB/T 3789.9-1991; GB/T 3789.10-1991; GB/T 3789.11-1991; GB/T 3789.12-1991; GB/T 3789.13-1991; GB/T 3789.14-1991
Quoted Standard: GB/T 2421.1; GB/T 2987; GB/T 4597; GB/T 6277-1986
Regulation (derived from): National Standards Bulletin No. 22 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies: launch tube electrical properties Test methods for testing equipment Requirements and test rules. This standard applies to: anode dissipation of 25W and above emission control tests.

GB/T 3789-2013: Measurements of electrical properties of transmitting tubes

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Measurements of electrical properties of transmitting tubes ICS 31.100 L36 National Standards of People's Republic of China Replacing GB/T 3789.1-1991 ~ GB/T 3789.31-1991 Emission tube electrical performance test methods Issued on. 2013-11-12 2014-04-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 2 General requirements Test Method 5 anode current and gate current of 5 Test Method 6 of cathode emission current 10 Test Method 7 gate reverse current 12 Test Method 8 grid thermo - emission current 13 Test Method 9 transconductance, amplification factor of 15 Test Method 10 of anode ion current 18 11 maximum anode dissipation power and anode overload dissipation power 19 Test Method Test Method 12 gates maximum power dissipation of 20 Test Methods 13 gate-off voltage of the first 20 Test Method for insulation between poles 14 of 21 Test Method 15 of the gate circuit static characteristic curve 22 Test method 16 of static characteristic curve for common cathode circuit 24 Test Methods 17 output power 25 Test Method 18-pulse output power of 29 Electric strength test method 19 30 Test Method insulator between the electrodes 20 of the 33 high frequency loss Test Method 21 frequency characteristic curve 33 Test Methods 22 current cut-off voltage of the first gate 34 Test Method 23 static characteristic reference point 34 Vibration stability test method 24 35 Test Method for linear amplification tube 25 two-tone intermodulation distortion 35 Test Method 26 image output power of 37 27 power gain of 41 Test Method Test Method 28 three tone intermodulation distortion 42 Cross modulation test method 29 44 30 low frequency luminance nonlinear Test Method 46 31 by the luminance signal distortion due to the difference chrominance signal (DG differential gain and differential phase DP) Test Method 46 Sync pulse compression test method 32 48

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 3789.1-1991 ~ GB/T 3789.31-1991 "emission tube electrical performance test methods." This standard and GB/T 3789.1-1991 ~ GB/T 3789.31-1991 main changes are as follows. --- This standard GB/T 3789.1-1991 ~ GB/T 3789.31-1991 in "launching tubes electrical performance test methods - General" And 30 standard test method for the integration of a standard; --- Increased testing methods triode anode ion current (see 10.1); --- Delete duplicate and GB/T 4597 "tube vocabulary" in the term; --- Remove the GB/T 3789.11-1991 "test the electrical properties of transmitting tubes - Test method of the third gate-off voltage" and GB/T 3789.23-1991 "emission control testing methods of the electrical properties of the third gate control" is not applicable content; --- The GB/T 3789.4-1991, GB/T 3789.5-1991, GB/T 3789.6-1991, GB/T 3789.8-1991 and Electrical principles GB/T 3789.14-1991 in pentode tetrode circuit diagram to FIG. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the National Standardization Technical Committee electric vacuum devices (SAC/TC167) centralized. This standard was drafted. Chengdu Xuguang Electronics Co., Ltd. The main drafters of this standard. Jiao Hongxia, Fang Chao, YE Jin, Liu Nanhua. This standard replaces the standards previously issued as follows. --- GB/T 3789.1-1983 ~ GB/T 3789.31-1983; --- GB/T 3789.1-1991 ~ GB/T 3789.31-1991. Emission tube electrical performance test methods

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 staticcharacteristiccurve 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 platecharacteristiccurve 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 \u200b\u200bof 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 \u200b\u200bof 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 \u200b\u200bof the composition of the characteristic curve family). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 3789-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 3789-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 3789-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 3789-2013_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 3789-2013?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3789-2013 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.