A56 无线电计量 标准查询与下载

IPC TM-650 5.8.1-1973 柔性电路测试模式

This test method is used to determine the major constituents

Flexible Circuit Test Pattern

IPC TM-650 5.8.2-1973 灵活的多层测试模式

This test method is used to determine the major constituents in tin-lead plating baths. Two methods are given to determine the lead content (gravimetric and volumetric); there is one method each for tin and fluoboric acid determinations (volumetric).

Flexible Multilayer Test Pattern

JJF 1299-1990 同轴功率基准操作技术规范

Coaxial Power Reference Operating Specifications

JJF 1300-1990 3cm,5cm 衰减基准操作技术规范

3cm, 5cm attenuation reference operating technical specifications

JJF 1301-1990 30 兆赫截止衰减基准操作技术规范

30 MHz Cutoff Attenuation Reference Operating Specifications

JJF 1302-1990 电信载频衰减基准操作技术规范

Technical specifications for reference operation of telecom carrier frequency attenuation

JJF 1304-1990 0.6～1 吉赫,2～4 吉赫同轴相移基准操作技术规范

0.6~1 GHz, 2~4 GHz coaxial phase shift reference operation technical specification

JJF 1303-1990 2cm,3cm,5cm 相移基准操作技术规范

2cm, 3cm, 5cm phase shift reference operation technical specification

JJF 1307-1990 0.1～50V,5～200V 脉冲幅度基准操作技术规范

0.1~50V, 5~200V Pulse Amplitude Reference Operation Specifications

JJF 1298-1990 3cm 功率基准操作技术规范

3cm Power Reference Operating Specifications