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SI4112 Datasheet DUAL-BAND RF SYNTHESIZER

Manufacturer: Silicon Laboratories

Download the SI4112 datasheet PDF. This datasheet also includes the SI4133 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (SI4133_SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

General Description

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.

Divider and powerdown settings are programmable with a threewire serial interface.

Overview

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.

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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