Pulse or digital communications – Spread spectrum
Reexamination Certificate
2002-10-11
2009-12-29
Wang, Ted M (Department: 2611)
Pulse or digital communications
Spread spectrum
C375S316000, C375S324000, C375S327000, C342S103000
Reexamination Certificate
active
07639724
ABSTRACT:
An RF-to-IF converter includes radio frequency (RF) to intermediate frequency (IF) processing circuitry and a frequency synthesizer for generating a local oscillator signal and clocking signals. The frequency synthesizer includes a local oscillator (LO) output coupled to the processing circuitry, a baseband processor clock output, and clock generation circuitry for generating a baseband processor clock with a frequency of approximately 48 fo on the baseband processor clock output, where fo is 1.023 MHz.
REFERENCES:
patent: 6931233 (2005-08-01), Tso et al.
patent: 7047023 (2006-05-01), Tso
Dubash Noshir
Tso Robert
RatnerPrestia
SiRF Technology Inc.
Wang Ted M
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