Low noise and drift by parallel amplifiers
作者:
B. Sundqvist,
G. Ba¨ckstro¨m,
期刊:
Review of Scientific Instruments
(AIP Available online 1975)
卷期:
Volume 46,
issue 7
页码: 928-929
ISSN:0034-6748
年代: 1975
DOI:10.1063/1.1134319
出版商: AIP
数据来源: AIP
摘要:
A low noise and low drift amplifier has been constructed using several monolithic operational amplifiers in parallel. It is shown that each amplifier may be connected by only three resistors. An input noise of 0.15 &mgr;V (p–p) in the band 0.1–10 Hz was obtained with six amplifiers, and the noise is expected to decrease asN−1/2as the number of units is increased.
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