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RF4159

Fractional-N Frequency Synthesizer

  • Overview
  • Documentation and Technical Information
  • Tools and Evaluation Boards
  • Use Case
Overview
Part Number         DescriptionRF Babdwidth HzPFD（max）HzFOM-Normalized inband PN Int-n（typ）（Dbc/Hz）Working Voltage（V）Temperature Range（℃） Package FormApplication
RF4159Fractional-N Frequency Synthesizer    3G~12G
  100MHz-213.6dBc/Hz  2.7~ 3.45-40~125QFN 24PINFMCW Radar


RF4159

The RF4159 is a 12 GHz, fractional-N frequency synthesizer with modulation and waveform generation capability.  It consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. There is a sigma-delta (Σ-Δ) based fractional interpolator to allow programmable fractional-N division. 

The RF4159 can be used to implement frequency shift keying (FSK) and phase shift keying (PSK) modulation.

Control of all on-chip registers is via a simple 3-wire interface. The device operates with a power supply ranging from 2.7 V to 3.3 V and can be powered down when not in use。


Application

FMCW Radar

Documentation and Technical Information
Download Specification
Tools and Evaluation Boards

Features and Benefits


RF bandwidth up to 12 GHz

Power-down mode

implement frequency shift keying (FSK) and phase shift keying (PSK) modulation.

Ramp with 2 different sweep rates

2.7 V to 3.3 V power supply

Programmable charge pump currents

3-wire serial interface

Switched bandwidth fast-lock mode

ESD performance: 2KV HBM、1KV CDM


Block Diagram Funtion

Use Case

Application


◆ Aerospace and Defense

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