Preamplifier for an optical receiver
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United States of America Patent
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-
Feb 28, 1989
Grant Date -
N/A
app pub date -
Sep 23, 1987
filing date -
Sep 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical high-impedance preamplifier for processing signals over a large dynamic and automatically operating control range. The automatic control is provided by a variable impedance which is arranged in series with the source circuit of a current-stabilized input MOSFET of the optical preamplifier. As a result thereof, no overloading or loss of sensitivity occurs at a high or low input level.
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