Wideband Transmit Signal Chain Evaluation Board and Reference Design


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The TSW30H84EVM Evaluation Module is a circuit board that allows system designers to evaluate the combined performance of Texas Instruments' transmit signal chain with the LMK04806B (Please see LMK04800) low noise clock generator/jitter cleaner. For ease of use as a complete RF transmit solution the TSW30H84EVM includes the LMK04806B (Please see LMK04800)for clocking the DAC34H84 digital-to-analog converter (DAC), as well as two TRF3705 for up-converting the I/Q outputs from the 4-channel DAC to RF carriers.

The DAC34H84 is a four-channel, ultra-low power 16-bit 1.25 GSPS DAC with a maximum 625MSPS/DAC input pattern rate.

The TRF3705 is a high performance complex RF modulator with a 300 MHz to 4 GHz output range.

The LMK04806B (Please see LMK04800)is a low noise clock generator and jitter cleaner capable of jitter below 150fs rms and output frequencies up to at least 1250MHz for clocking the DAC34H84 at its full rate.

The EVM can be used along with the TSW1400/TSW1406/TSW3100 pattern generator to perform a wide range of test procedures. The TSW1400/TSW3100 can be used with the DAC34H84 for patterns up to 1.25 GSPS and the TSW1406 for low cost, simple patterns up to 1 GSPS. Besides providing a high-quality, low jitter DAC sampling clock to the DAC34H84, the LMK04806B (Please see LMK04800)also provides FPGA clocks to the TSW1400/TSW1406/TSW3100 as an FPGA reference clock. The transmit RF signal path also includes an amplifier and programmable attenuator.

  • Includes LMK04806B (Please see LMK04800) for clock generation and jitter cleaning
  • Direct connection to TSW1400/TSW1406/TSW3100 TSW1406 signal generator
  • Comprehensive test capability for the transmitter (DAC34H84 quad DAC and two TRF3705 IQ Modulators) at RF outputs
  • Software support with a full featured GUI for easy testing and prototyping
  • FMC-DAC-Adapter card compatible to connect with FMC interconnect headers available Xilinx FPGA EVMs
  • Direct compatibility with HSMC headers on Altera FPGA EVMs
  • Clock jitter cleaners & synchronizers
    LMK04803 Low-noise clock jitter cleaner with dual cascaded PLLs and integrated 1.9-GHz VCO LMK04805 Low-noise clock jitter cleaner with dual cascaded PLLs and integrated 2.2-GHz VCO LMK04806 Low-noise clock jitter cleaner with dual cascaded PLLs and integrated 2.5-GHz VCO LMK04808 Low-noise clock jitter cleaner with dual loop PLLs and integrated 2.9-GHz VCO


    High-speed DACs (>10 MSPS)
    DAC34H84 Quad-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)


    IQ modulators
    TRF3705 300MHz to 4GHz Quadrature Modulator

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    Evaluation board

    TSW30H84EVM — TSW30H84EVM

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    GUI for evaluation module (EVM)

    TSW308x EVM Software (Rev. B) — SLAC507B.ZIP (123888KB)

    TI's Standard Terms and Conditions for Evaluation Items apply.

    Technical documentation

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    Type Title Date
    Certificate TSW30H84EVM EU Declaration of Conformity (DoC) 02 Jan 2019
    User guide TSW308x Evaluation Module (Rev. B) 18 May 2016
    Design guide Analog Interfacing Networks for DAC348x and Modulators (TIDA-00077) (Rev. A) 14 Aug 2013
    User guide TSW3085EVM ACPR and EVM Measurements (TIDA-00076 Reference Guide) 29 Dec 2011

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