TIDA-00072

Wideband Digital to RF Transmit Solution

TIDA-00072

Design files

Overview

The TSW308x is an example design of a wideband digital to RF transmit solution capable of generating 600 MHz of contiguous RF spectrum.  The system provides a reference on how to use the DAC34x8x, TRF3705 IQ modulator and LMK0480x to achieve this.  This reference EVM coupled with a pattern generator such as the TSW1400EVM can be used to arbitrarily generate narrow band and wideband signals at RF.  Examples of configurations to generate standards compliant WCDMA test signals are provided.

Features
  • Complete Digital to RF transmit solution
  • Up to 600MHz of contiguous signal bandwidth
  • RF signal synthesis from 300MHz to 4GHz
  • On board RF Amp and Attenuator
  • Easy evaluation platform with TSW1400 and HSDC Pro

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.

TIDU128.PDF (1482 K)

Reference design overview and verified performance test data

TIDC369.ZIP (3216 K)

Detailed schematic diagram for design layout and components

TIDR524.PDF (149 K)

Detailed schematic diagram for design layout and components

TIDR525.PDF (162 K)

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

Products

Includes TI products in the design and potential alternatives.

Buck converters (integrated switch)

TPS622902.25MHz 1A Step-Down Converter in 2x2mm SON Package

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

TPS62420Dual, Adjustable, 600mA and 1000mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN

Data sheet document-pdfAcrobat PDF open-in-new HTML
Clock jitter cleaners & synchronizers

LMK04806Low-noise clock jitter cleaner with dual cascaded PLLs and integrated 2.5-GHz VCO

Data sheet document-pdfAcrobat PDF open-in-new HTML
High-speed DACs (>10MSPS)

DAC3484Quad-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)

Data sheet document-pdfAcrobat PDF open-in-new HTML
High-speed DACs (>10MSPS)

DAC34H84Quad-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)

Data sheet document-pdfAcrobat PDF open-in-new HTML
High-speed DACs (>10MSPS)

DAC34SH84Quad-Channel, 16-Bit, 1.5-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)

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

TRF3705300MHz to 4GHz Quadrature Modulator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7961-A, low-dropout voltage regulator with enable

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

Technical documentation

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Type Title Date
Design guide TSW308x Wideband Digital to RF Transmit Solution Design Guide Sep. 03, 2013

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