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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.

Key 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 required Low phase noise Programmable powerdown modes 1 µA standby current 18 mA typical supply current 2.7 to 3.6 V operation Packages: 24-pin TSSOP, 28-lead QFN.
  • Lead-free Ordering Information: See.

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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 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 TE G R A T E D V C O S F OR W I R E L E S S C O M M U N I C A T I O N S 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 required Low phase noise Programmable powerdown modes 1 µA standby current 18 mA typical supply current 2.7 to 3.6 V operation Packages: 24-pin TSSOP, 28-lead QFN Lead-free Ordering Information: See page 31.