Noise modelling for broadband amplifier design
作者:
S.Moustakas,
J.L.Hullett,
期刊:
IEE Proceedings G (Electronic Circuits and Systems)
(IET Available online 1981)
卷期:
Volume 128,
issue 2
页码: 67-76
年代: 1981
DOI:10.1049/ip-g-1.1981.0014
出版商: IEE
数据来源: IET
摘要:
We consider in this paper the derivation of input equivalent noise voltages and currents for both feedback and nonfeedback amplifier configurations. In the case of feedback amplifiers, a greatly simplified, approximate analysis is utilised and the accuracy of the approximation established. For low-noise amplifiers, a systematic design approach based on input equivalent noise sources is outlined. The relationship between the dual-input equivalent noise voltage and current sources is also established and a design example presented.
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