Biological signal source amplifier
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United States of America Patent
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-
Aug 28, 1984
Grant Date -
N/A
app pub date -
May 4, 1982
filing date -
May 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A biological signal source amplifier having a rapid overload recovery capability and an output reference level translation feature. The amplifier responds to input signals of excessive amplitude by actively decreasing the response time of a reactive input coupling circuit when the input signal crosses predetermined dynamic limits. A differential amplifier is used in such a way as to produce an output referenced to a voltage level other than power supply ground. A level translation feature is provided for translating the output signal to the input of a subsequent circuit having a different reference level without introducing a dc offset or other associated amplitude distortion, or effects of capacitive coupling on low-frequency response.
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Family
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