Patent ID: 7664475
Filing Date: 2010-02-16
Classification: H04B

Abstract:
1. A multi-band wireless transceiver having a plurality of signal-processing paths, and further having a function of making wireless communication through a plurality of frequency bands by selecting one of said signal-processing paths, said multi-band wireless transceiver comprising: a first synthesizer which transmits a local frequency signal for signal reception in accordance with divider data received from a controller which controls an operation of said multi-band wireless transceiver; a second synthesizer which transmits a local frequency signal for signal transmission in accordance with divider data received from said controller; and a band identification circuit connected to receive said divider data from said first synthesizer and said second synthesizer, said band identification circuit identifying one of said plurality of said frequency bands in dependence on said divider data, and selecting one of said signal-processing paths in accordance with the identified frequency band.