Y. Miyahara, S. Kawaguchi, S. Shimizu, N. Itoh, K. Kato
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A single chip RF-CMOS front end LSI for GSM handy phone
A 900 MHz CMOS handy phone LSI is described. Three special RF-CMOS circuit technologies, fully integrated 900 MHz VCO with spiral inductor and varicap diode, new IF local frequency circuit, and effective image rejection system, are introduced.