Internal Noise of Low-Frequency Preamplifiers

机译：低频前置放大器的内部噪声

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Experimental measurements of low frequency preamplifiers show that a type LM394 bipolar input stage has less internal input noise than the popular PAR-113 commercial amplifier for source resistances under 1000 ohms. A type 2N6483 JFET design shows similar input noise to the PAR-113. The input current noise of the JFET design is insignificant compared with the Nyquist noise of the source resistance. (Author)

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Smith, S. W.;
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年度 1983
页码 p.1-15
总页数 15
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Preamplifiers; Low frequency; Low noise; Noise; Measurement; Noise reduction; Bipolar systems; Input; Bipolar transistors; Junction transistors; Resistance;

机译：前置放大器;低频;低噪声;噪声;测量;降噪;双极系统;输入;双极晶体管;结型晶体管;电阻;

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3. A New Method of Noise Reduction for Internal Flows Generating Low-Frequency Self-Sustained Tones [J] . R. Henry, C. Fave, O. Boisseau Journal of Low Frequency Noise & Vibration . 1995,第3期

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Internal Noise of Low-Frequency Preamplifiers

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