TIDA-00885

9.8 GHz RF High Performance Synthesizer Operating From a Buck Converter Reference Design

TIDA-00885

Design files

Overview

The TIDA-00885 design utilizes the LMX2592 a low-noise, wideband RF PLL with integrated VCO that can produce an output frequency range from 20 MHz to 9.8 GHz. The LMX2592 has excellent performance, integrated phase noise of 49fs for 6GHz output making it an ideal low noise source. There are two options to power the LMX2592 frequency synthesizer,  the TPS62150 and LM43601 buck converters, two commonly used footprints.  The LM43601 is pin-to pin-compatible with LM46000, LM46001, LM46002, LM43600, LM43602, and LM43603. The TPS62150 DC-DC regulator is pin-to-pin compatible with TPS6213x, TPS6214x devices.

Features
  • Output Frequency Range from 20 to 9800MHz
  • Input Clock Frequency from 5 MHz to 1400MHz
  • Industry Leading Phase Noise Performance
  • Up to 95% efficiency to step down the voltage from 5V to 3.3V using on-board DC-DC Regulator
  • On-board DC-DC regulators are footprint compatible with several other regulators

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUC22.PDF (10118 K)

Reference design overview and verified performance test data

TIDRNG0A.PDF (470 K)

Detailed schematic diagram for design layout and components

TIDRNG1A.PDF (219 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDCCL5.ZIP (213 K)

Design file that contains information on physical board layer of design PCB

Products

Includes TI products in the design and potential alternatives.

RF PLLs & synthesizers

LMX25929.8-GHz wideband frequency synthesizer with integrated VCO

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

LM436013.5V to 36V, 1A Synchronous Step-Down Voltage Converter

Data sheet document-pdfAcrobat PDF open-in-new HTML
Buck converters (integrated switch)

TPS621503–17V 1A Step-Down Converter with DCS-Control in 3x3 QFN package

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
* Design guide 9.8GHz RF High Performance Synthesizer From a Buck Converter Design Guide Aug. 25, 2016
Technical article Don’t let bad reference signals destroy the phase noise in your PLL/synthesizer Jan. 10, 2017

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