Title:
METHOD AND APPARATUS FOR AVOIDING SPURIOUS SIGNAL RECEIVER DESENSITIZING
Document Type and Number:
WIPO Patent Application WO2004019378
Kind Code:
A3
Abstract:
An apparatus and method for eliminating interference caused by spurious signals in communication signals communicated via a communication device on any one of a plurality of different channels, the communication device operating at a rate set by a system clock signal. The system clock frequency is generated at a first frequency, the first frequency generating spurious signals on at least one of the different channels. The system clock frequency is toggled by a first predetermined amount to a second frequency when the communication device is to be tuned to one of the different channels so as to remove the spurious signals from the tuned channel. The communication device is tuned to the at least one of the different channels. A return of the timing error to a predetermined value is synchronized at a start of a receive data capture event.
Inventors:
BLACK GREGORY R
BINZEL CHARLES PHILIPP
BINZEL CHARLES PHILIPP
Application Number:
PCT/US2003/024402
Publication Date:
April 29, 2004
Filing Date:
August 05, 2003
Export Citation:
Assignee:
MOTOROLA INC (US)
International Classes:
H04B15/04; (IPC1-7): H04B1/10
Foreign References:
| US6345175B1 | 2002-02-05 | |||
| US5926514A | 1999-07-20 | |||
| US4896318A | 1990-01-23 | |||
| US5745848A | 1998-04-28 |
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