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1. (WO2001039383) INTEGRATED RADIO TRANSCEIVER

Pub. No.:    WO/2001/039383    International Application No.:    PCT/US2000/042265
Publication Date: Fri Jun 01 01:59:59 CEST 2001 International Filing Date: Tue Nov 21 00:59:59 CET 2000
IPC: H04B 1/28
H04B 1/40
Applicants: MICRO LINEAR CORPORATION
Inventors: LUFF, Gwilym, Francis
LORAINE, Jerry
Title: INTEGRATED RADIO TRANSCEIVER
Abstract:
A radio transceiver comprises a reception path, a transmission path, and a frequency generator with a programmable phase lock loop. The reception path, the transmission path, and the frequency generator share a maximum amount of common circuitry to facilitate implementation of the entire radio transceiver on a single integrated circuit. The reception path includes an amplifier and a quadrature mixer for producing low intermediate frequency signals. The transmission path can be controlled by either a modulated voltage controlled transmitter or an in-phase and quadrature modulator transmitter.