JEDEC EIA-371-1970
小信号VHF-UHF晶体管短路前向电压传输比的测量

Measurement of Small-Signal VHF-UHF Transistor Short-Circuit Forward Current Transfer Ratio

作废

标准号

JEDEC EIA-371-1970

发布

1970年

发布单位

(美国)固态技术协会,隶属EIA

 

 

适用范围

The measuring system must provide a means for applying bias to the transistor under test. The bias system must be such as not to influence the accuracy of the measurements. The signal applied by the measuring system to the transistor must be sufficiently smail to satisfy the “small-signal conditions” defined in 1.2. In addition, any spurious signals which might appear at the transistor terminals, and in particular, the local oscillator feedthrough when a superheterodyne receiver is used, must be kept at least 20 dB * below the specified small-signal conditions.

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