PM and AM noise of common collector and Darlington amplifiers

被引:2
|
作者
Kuleshov, VN
Boldyreva, TI
Krylov, AA
机构
关键词
D O I
10.1109/FREQ.2001.956185
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
An approach to calculation of wideband and 1/f PM and AM noise of common collector (CC) and Darlington amplifiers is developed. An influence of signal frequency and signal source impedance on power spectral densities of PM and AM noise of particular examples of CC and Darlington amplifiers is investigated. A comparison of PM and AM noise of these types of amplifiers is fulfilled. The comparison is made supposing that load resistances and signal source resistances of the amplifiers are the same. It was assumed also that output transistor of Darlington amplifier has the same parameters and operating point as a transistor of CC amplifier, and a structure of this transistor can be obtained by parallel connection of the Darlington amplifier input transistor structures.
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页码:192 / 199
页数:8
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