Zero if radio receiver for intermittent operation
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United States of America Patent
Stats
-
Nov 16, 1993
Grant Date -
N/A
app pub date -
Mar 7, 1990
filing date -
Mar 7, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radio receiver for use with a time slot paging system which receives intermittent data includes a direct coupled zero IF receiver circuit with at least one automatic gain control (AGC) amplifier stage. DC offset errors are removed from the AGC amplifier stages by a timed zero adjustment circuit that is switched into the AGC circuit just prior to the receipt of data. The resulting zero IF circuit may be miniaturized in monolithic form making it ideal for use in a wristwatch sized pager.
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