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Si4133 - DUAL-BAND RF SYNTHESIZER

General Description

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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Si4133 Si4123/22/13/12 DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS F E AT U R E S  Dual-band RF synthesizers  Low phase noise RF1: 900 MHz to 1.8 GHz  Programmable powerdown modes RF2: 750 MHz to 1.5 GHz  1 µA standby current  IF synthesizer  18 mA typical supply current IF: 62.5 to 1000 MHz  2.7 to 3.