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A low noise instrumentation amplifier

B A Unvala and R C S Morling

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Difficulty in obtaining very low noise difference amplification with gain stability using conventional operational amplifier circuitry is considered. A design procedure eliminating the incompatibility of gain stability and low noise is discussed. The design, circuit details and performance of low noise, high input impedance amplifier with good gain stability and wide offset range is described.


PACS

87.80.-y Biophysical techniques (research methods)

87.19.Ff Muscles

84.30.Le Amplifiers

05.40.Ca Noise

87.19.R- Mechanical and electrical properties of tissues and organs

Subjects

Electronics and devices

Instrumentation and measurement

Medical physics

Biological physics

Statistical physics and nonlinear systems

Dates

Issue 12 (December 1974)



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