SI4122, SI4133 Datasheet (Silicon Laboratories)

SI4122, SI4133, DUAL-BAND RF SYNTHESIZER

http://www.DataSheet4U.net/ RFLC GNDR RFLB RFLA GNDR GNDR RFOUT The Si4133 is a monolithic integrated circuit that performs both IF and dualband RF synthesis for wireless communications applications.

The Si4133 includes three VCOs, loop filters, reference and VCO dividers, and phase detectors.

Div

SI4122 Features

* Dual-band RF synthesizers

* RF1:

* 900 MHz to 1.8 GHz

* RF2: 750 MHz to 1.5 GHz

* IF synthesizer

* IF: 62.5 to 1000 MHz Integrated VCOs, loop filters,

* varactors, and resonators Minimal (2) number of external components require