1-GHz Bandwidth Dual Channel Transmitter up to 4-GHz Reference Design

(ACTIVE) TIDA-00409

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Description

The TSW38J84 EVM reference design provides a platform to demonstrate a wideband dual transmit solution that incorporates an integrated LO.  The reference design utilizes the 2.5 GSPS DAC38J84 device with the high performance modulators: TRF3722 (including integrated PLL/VCO) and TRF3705. The TRF3722 and TRF3705 can be combined to form a dual transmit solution with the TRF3722 generating the local oscillator (LO) for both modulators. The interface between the DAC38J84 and the modulators is discussed as well as measurements showing the combined performance of the DAC and modulators. The measurements illustrate the bandwidth performance, output third order intercept performance, harmonic distortion and sideband suppression performance.

Features
  • Complete bits-to-RF dual transmit signal chain solution utilizing the JESD204B interface
  • Provides a platform to test 2.4 GSPS DAC38J84 with two high performance modulators
  • Output frequency of TRF3722 and TRF3705 is up to 4 GHz
  • The solution can support up to 1 GHz of bandwidth
  • Dual transmit solution for modern communication, military and test and measurement system

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Bill of Materials (BOM)

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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

TSW38J84EVM:
TSW38J84 Evaluation Module

$699.00(USD)


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TI Devices (7)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DAC37J82  Dual-Channel, 16-Bit, 1.6-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
DAC37J84  Quad-Channel, 16-Bit, 1.6-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
DAC38J82  Dual-Channel, 16-Bit, 2.5-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
DAC38J84  Quad-Channel, 16-Bit, 2.5-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
LMK04828  Ultra Low Jitter Synthesizer and Jitter Cleaner  Clock jitter cleaners  Sample & Buy View Design Kits & Evaluation Modules
TRF3705  300MHz to 4GHz Quadrature Modulator  Mixers and modulators  Sample & Buy View Design Kits & Evaluation Modules
TRF3722  400-MHz to 4.2-GHz Quadrature Modulator with Integrated Wideband PLL/VCO  Mixers and modulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DAC38J84 Download -
LMK04828 Download Download
TRF3705 Download Download
TRF3722 Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 186 12 Dec 2014 46
Selection guides (1)
Title Abstract Type Size (KB) Date Views
PDF 9699 22 Mar 2017 885
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 2605 23 Mar 2015 18
PDF 126 23 Mar 2015 8
PDF 199 23 Mar 2015 54

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