SI4133G Datasheet - Silicon Laboratories

SI4133G DUAL-BAND RF SYNTHESIZER

The Si4133G is a monolithic integrated circuit that performs both IF and dual-band RF synthesis for GSM and GPRS wireless communications applications. The Si4133G includes three VCOs, loop filters, reference and VCO dividers, and phase detectors. Divider and power down settings are programmable thro.

SI4133G Features

* " " RF1: 900 MHz to 1.8 GHz RF2: 750 MHz to 1.5 GHz IF: 500 MHz 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 Da

SI4133G_SiliconLaboratories.pdf