Adaptive radio transceiver with offset PLL with subsampling...

Details Adaptive radio transceiver with offset PLL with subsampling... Adaptive radio transceiver with offset PLL with subsampling...

2005-11-01

2005-11-01

Milord, Marceau (Department: 2682)

Telecommunications

Transmitter

Frequency conversion

C455S020000, C455S085000, C455S086000, C455S190100, C455S180300, C455S209000, C455S078000, C331S037000, C331S038000, C331S039000

Reexamination Certificate

active

06961546

ABSTRACT:
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration into a single IC including components such as filters and inductors. The controller for adaptive programming and calibration of the receiver, transmitter and LO generator. The self-testing unit generates is used to determine the gain, frequency characteristics, selectivity, noise floor, and distortion behavior of the receiver, transmitter and LO generator. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims.

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A. Kral et al., “RF-CMOS Oscillators with Switched Tuning,” Proceedings of the Custom IC Conference, Santa Clara, California, pp. 555-558 (May 1998).
Chan, P.Y., et al., “A Highly Linear 1-GHz CMOS Downconversion Mixer,” European Solid State Circuits Conference, Seville, Spain, Sep. 22-24, 1993, p.p. 210-213 of conference proceedings, Integrated Circuits & Systems Laboratory, University of California, Los Angeles, CA.
Rofougaran, Ahmadreza, “A Single-Chip Spread-Spectrum Wireless Transceiver in CMOS,” Final Report, Integrated Circuits & Systems Laboratory Electrical Engineering Department, University of California, Los Angeles, CA, 1999, 339 pages.

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