Receipt circuit for a TDMA radio apparatus
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Feb 17, 1998
filing date -
Feb 19, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A receipt circuit for a TDMA (Time Division Multiple Access) radio apparatus of the present invention includes a switch selectively turned on or turned off in order to remove a residual signal component occurring in a guard time between consecutive time slots due to the group delay of a SAW (Surface Acoustic Wave) filter or a ceramic filter. The receipt circuit therefore obviates the fall of receipt sensitivity even when a TDMA signal of low level is input immediately after a slot in which a TDMA signal of high level has been input. In addition, the receipt circuit is free from the erroneous detection of an input electric field.
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