Transceiver with frequency multiplier tracked to frequency...

Details Transceiver with frequency multiplier tracked to frequency... Transceiver with frequency multiplier tracked to frequency...

2006-01-10

2006-01-10

Chin, Vivian (Department: 2682)

Telecommunications

Transmitter and receiver at same station

With tuning

C455S076000, C455S114100, C455S112000, C455S118000, C455S120000, C455S313000

Reexamination Certificate

active

06985702

ABSTRACT:
A transceiver has frequency generating means for generating a first signal at a first frequency. The frequency generating means has first tank means for resonating at the first frequency. The transceiver further has frequency multiplication means for multiplying the first signal by an integral multiple of a fundamental frequency of the first signal. The frequency multiplication means has second tank means for resonating at a harmonic frequency of the fundamental frequency, the harmonic frequency being determined by the integral multiple. The frequency multiplication means has output means for outputting a second signal at the harmonic frequency. The first tank means is highly frequency selective around the first frequency, and the second tank means is highly frequency selective around the harmonic frequency. The transceiver has tuning means for simultaneously tuning the first and second tank means, and has up/down-conversion means for up/down-converting the second signal.

REFERENCES:
patent: 4153876 (1979-05-01), Cochran
patent: 5392460 (1995-02-01), Mattila et al.
patent: 5903196 (1999-05-01), Ponce et al.
“Low Voltage RF Transceiver—With Frequency Multiplier Tracked to Frequency Generator”, Philips Data Sheet SA2420, May 23, 1997, 16 pages.

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