SI4112G PDF File ( Datasheet )

Si41 33G Si412 3G, 22G, 13G, 12G D U A L -B A N D R F S Y N T H E S I Z E R W I T H I N T E G R A T E D V C O S FOR GSM AND GPRS WIRELESS COMMUNICATIONS Features " " RF1: 900 MH- to 1.8 GH- RF2: 750 MH- to 1.5 GH- IF: 500 MH- to 1000 MHz ! ! ! ! ! ! IF Synthesizer " Integrated VCOs, Loop Filters, ! ! Varactors, and Resonators Minimal External Components Required Applications Pin Assignments ! GSM, DCS1800, and PCS1900 Cellular Telephones ! ! GPRS Data Terminals HSCSD Data Terminals S C