Low power digital receiver
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United States of America Patent
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-
Mar 20, 1990
Issued Date -
N/A
app pub date -
Feb 29, 1988
filing date -
Jun 15, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A low power digital receiver (10) is provided that contemporaneously selects the lowest possible sampling signal frequency (34) (from a plurality of available sampling signals), and received signal level (28) to properly digitize (32) and recover a desired signal. Digitization is performed after the first IF using broadband stages (28, 30, and 32) that are temporarily enabled (44) to rapidly digitize the first IF signal. This, together with the low sampling rate, minimizes the power consumption of the receiver (10) thereby permitting portable and mobile digital receiver embodiments.
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