GB/T 21021.3-2021 English PDF

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GB/T 21021.3-2021: Intermodulation level measurement for passive RF and microwave devices - Part 3: Measurement of passive intermodulation in coaxial connectors
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21021.3-2021	114	Add to Cart	3 days	Intermodulation level measurement for passive RF and microwave devices - Part 3: Measurement of passive intermodulation in coaxial connectors	Valid

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GB/T 17737.104   GB/T 17737.103   GB/T 17738.2   GB/T 17737.10   GB/T 21021.4   GB/T 21021.1   

Basic data

Standard ID: GB/T 21021.3-2021 (GB/T21021.3-2021)
Description (Translated English): Intermodulation level measurement for passive RF and microwave devices - Part 3: Measurement of passive intermodulation in coaxial connectors
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L26
Word Count Estimation: 6,658
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 21021.3-2021: Intermodulation level measurement for passive RF and microwave devices - Part 3: Measurement of passive intermodulation in coaxial connectors

---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.
Intermodulation level measurement for passive RF and microwave devices - Part 3.Measurement of passive intermodulation in coaxial connectors ICS 33.120.10 L26 National Standards of People's Republic of China Intermodulation level measurement of passive radio frequency and microwave components Part 3.Passive intermodulation measurement of coaxial connectors (IEC 62037-3.2012, PassiveRFandmicrowavedevices, intermodulation Released on 2021-11-26 2022-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

GB/T 21021 "Intermodulation level measurement of passive radio frequency and microwave components" has released the following parts. ---Part 1.General requirements and measurement methods; ---Part 2.Passive intermodulation measurement of coaxial cable assemblies; ---Part 3.Passive intermodulation measurement of coaxial connectors; ---Part 4.Passive intermodulation measurement of coaxial cable. This part is Part 3 of GB/T 21021. This section was drafted in accordance with the rules given in GB/T 1.1-2009. The translation method used in this part is equivalent to IEC 62037-3.2012 "Intermodulation Level Measurement of Passive Radio Frequency and Microwave Components Part 3" Sub. Passive Intermodulation Measurement of Coaxial Connectors. The Chinese documents that have a consistent correspondence with the normatively cited international documents in this section are as follows. ---GB/T 21021.1-2021 Intermodulation level measurement of passive radio frequency and microwave components Part 1.General requirements and measurements Method (IEC 62037-1.2012, IDT); ---GB/T 21021.4-2021 Intermodulation level measurement of passive radio frequency and microwave components Part 4.Passive coaxial cable Intermodulation measurement (IEC 62037-4.2012, IDT). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This part was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part is under the jurisdiction of the National Standardization Technical Committee for High-frequency Cables and Connectors for Electronic Equipment (SAC/TC190). Drafting unit of this section. The 23rd Research Institute of China Electronics Technology Group Corporation. The main drafters of this section. Yin Haicheng, Fang Xu, Tian Xin. Intermodulation level measurement of passive radio frequency and microwave components Part 3.Passive intermodulation measurement of coaxial connectors

1 Scope

This part of GB/T 21021 describes the passive intermodulation (PIM) test method when coaxial connectors are subjected to an impact test. This test is used To evaluate the robustness of the coaxial connector, prevent weak connections and particles inside the connector, and be independent of passive intermodulation (PIM) as much as possible Impact. For other connectors (such as panel mount connectors), the cable can be replaced by a suitable transmission line (such as air line, ribbon line). for To evaluate the impact of mechanical stress on the connector, a series of impact forces need to be applied to the connector when measuring PIM.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. IEC 62037-1 Intermodulation level measurement of passive radio frequency and microwave components Part 1.General requirements and measurement methods (Passive RFandmicrowavedevices,intermodulationlevelmeasurement-Part 1.Generalrequirementsand measuringmethods) IEC 62037-4 Intermodulation level measurement of passive radio frequency and microwave components Part 4.Passive intermodulation measurement of coaxial cable (PassiveRFandmicrowavedevices,intermodulationlevelmeasurement-Part 4.Measurementof passiveintermodulationincoaxialcables)

3 Abbreviations

The following abbreviations apply to this document. DUT. device under test (deviceundertest) IM. Intermodulation (intermodulation) PIM. Passive Intermodulation (passive intermodulation)

4 Test method

4.1 Test sample A test sample of one of the following two devices can be used. Note. The correct mounting method and technology are very important for the mating of the cable and the connector. a) Device 1---Multi-port DUT In order to minimize the influence of the transmission line, it is advisable to test short-length components. The same connector should be assembled at each end. Should be constructed A component that is as short as possible and practicable. b) Device 2---Single port DUT A single connector can be installed on a certain length of lossy or low-consumption transmission line, and the design ensures that the transmission line is at the lowest receiving frequency band The one-way attenuation in frequency is at least 10dB. ......

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