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GB/T 42744-2023 English PDF

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US$419.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42744-2023: Microwave circuit - Measuring methods for electrically controlled attenuator
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42744-2023	419	Add to Cart	4 days	Microwave circuit - Measuring methods for electrically controlled attenuator	Valid

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Basic data

Standard ID: GB/T 42744-2023 (GB/T42744-2023)
Description (Translated English): Microwave circuit - Measuring methods for electrically controlled attenuator
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L56
Classification of International Standard: 31.200
Word Count Estimation: 22,291
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42744-2023: Microwave circuit - Measuring methods for electrically controlled attenuator

---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.
ICS 31.200 CCSL56 National Standards of People's Republic of China microwave circuit Electronically controlled attenuator test method Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Preface III 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 General requirements 3 4.1 Test environment 3 4.2 Test instrument 3 4.3 Note 4 5 Detailed requirements 4 5.1 Insertion loss (Lins) 4 5.2 In-band fluctuation (ΔL0) 5 5.3 Attenuation (Aatt) 5 5.4 Attenuation flatness (ΔA) 6 5.5 Attenuation range (Aran) 7 5.6 Attenuation temperature stability (Atem), attenuation temperature coefficient (αA) 7 5.7 Attenuation accuracy (Aaur) 8 5.8 Amplitude consistency (ΔAn0) 9 5.9 Phase consistency (Δφn0) 10 5.10 Input and output standing wave ratio (VSWRin, VSWRout) 10 5.11 ndB compression input power (Pi(ndB)) 11 5.12 Intermodulation distortion (dual frequency) (Pn/P1) 13 5.13 n-order intersection point input power (IIPn) 14 5.14 Additional phase shift (Phrlv) 14 5.15 Turn-on time (ton), turn-off time (toff), rise time (trise), fall time (tfal) 15 5.16 Maximum power withstand (Pmax) 16

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This document is under the jurisdiction of the National Semiconductor Device Standardization Technical Committee (SAC/TC78). This document was drafted by. Chengdu Yaguang Electronics Co., Ltd., Anhui Mingyang Electronics Co., Ltd., Anhui Zhongzhike Standardization Research Institute Co., Ltd., the Military Representative Bureau of the Air Force Equipment Department in Chengdu, and the China Electronics Technology Standardization Institute. The main drafters of this document. Long Hui, Yang Xiaoyu, Liu Yingying, Chen Min, Tang Shuo, Zhou Jun, Meng Ze, He Yaping, Fan Fuhong, Liu Xun, Wang Hao, Fu Jiangwei, Hou Lin. microwave circuit Electronically controlled attenuator test method

1 Scope

This document describes the testing methods for the main electrical parameters of electronically controlled attenuators in microwave circuits. This document is applicable to the relevant electrical parameter testing of monolithic and hybrid integrated microwave electrically adjustable attenuators (hereinafter referred to as attenuators).

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 17573-1998 Semiconductor devices Discrete devices and integrated circuits Part 1.General principles

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Insertion lossinsertionloss Lins In the linear working area of the attenuator, the ratio of incident power to output power in the reference state. 3.2 In-band ripple passbandripple ΔL0 The maximum change in reference state insertion loss in decibels (dB) at different frequencies. 3.3 attenuationattenuationvalue Att In the linear working area of the attenuator, the attenuation state insertion loss and reference state insertion loss under the specified control voltage are expressed in decibels (dB). bit difference. 3.4 attenuation flatness attenuationflatness ΔA At different frequencies, the maximum change in attenuation at a specified control voltage in decibels (dB). 3.5 attenuation range attenuationrange Aran The available attenuation controls the maximum amount of attenuation. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42744-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42744-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42744-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42744-2023_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.