SI4112-BT PDF File ( Datasheet )

Si413 3 Si4 123 , 2 2, 13 , 1 2 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 FO R WIRELESS COM MUNICATIONS Features ! " " RF1: 900 MH- to 1.8 GH- RF2: 750 MH- to 1.5 GH- IF: 62.5 MH- to 1000 MHz ! ! ! ! ! ! ! IF Synthesizer " Integrated VCOs, Loop Filters, ! Varactors, and Resonators Minimal (2) External Components Required S Dual-Band RF Synthesizers ! Low Phase Noise Programmable Power Down Modes 1 A Standby Current 18 mA Typical Supply Current 2.7