View sa9502 4 datasheet:

INTEGRATED CIRCUITS SA9502 Dual-band, CDMA/AMPS downconverter IC Product specification 1999 Mar 19 Supersedes data of 1998 Dec 10 IC17 Data Handbook Philips Semiconductors Philips Semiconductors Product specification Dual-band, CDMA/AMPS downconverter IC SA9502 DESCRIPTION • Switchable wideband LO output buffer The SA9502 integrates all the front end receive mixers necessary • Low voltage operation down to 2.7V for use in dual-band, triple-mode CDMA/AMPS cellular phone handsets. There are three individual mixer blocks, each optimised • Low current consumption in “idle”/receive modes: for high linearity with low power consumption for operation in one of – PCS : 14.3mA @ 2.7V the following modes: High-band 1900MHz PCS CDMA, low-band – CDMA: 17.6mA @ 2.7V 800MHz cellula