Wideband RF-to-Digital Complex Receiver-Feedback Signal Chain
TIDA-00074
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Description

This is a wideband complex-receiver reference design and evaluation platform that is ideally suited for use as a feedback receiver for transmitter digital predistortion. The EVM signal chain is ideal for high intermediate-frequency (IF) complex-feedback applications and contains a complex demodulator, TI’s LMH6521 dual-channel DVGA and ADS5402 12-bit 800-MSPS dual-channel ADC. By modifying the onboard filter components, the signal chain is configurable for a variety of frequency plans. The EVM also includes TI’s LMK04808 dual-PLL clock jitter cleaner and generator to provide an onboard low-noise clocking solution. The LMH6521 DVGA gain is controlled through the GUI or alternatively through the high speed connector with an FPGA.

Features
  • Complete RF to digital complex wideband receiver solution
  • Up to 800MHz of contiguous spectrum can be sampled
  • Default configuration of RF input from 1800M to 2400M, options for 700M to 3GHz
  • Onboard DVGA for gain control
  • Easy evaluation platform with TSW1400 and HSDC Pro analysis software

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  



Schematic/Block Diagram

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Design Files

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TI Devices (8)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADS5402  Dual-Channel, 12-Bit, 800-MSPS Analog-to-Digital Converter (ADC)  Analog-to-digital converters (ADCs)  Sample & Buy View Design Kits & Evaluation Modules
CSD17313Q2  30V, N ch NexFET MOSFET™, single SON2x2, 32mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
LMH6521  High Performance Dual DVGA  RF amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LMK04803  Low Noise Clock Jitter Cleaner With Dual Cascaded PLLs and Integrated 1.9 GHz VCO  Clocks & timing  Sample & Buy View Design Kits & Evaluation Modules
SN65LVDS100  2-Gbps LVDS, LVPECL & CML to LVDS buffer, repeater & translator  Interface  Sample & Buy View Design Kits & Evaluation Modules
TPS2400  5.5V overvoltage protection controller with 100V input transient protection  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS767  Fast-Transient-Response 1-A Low-Dropout Linear Regulators  Power management  Sample & Buy Not Available
TPS7A80  Low-Noise, High-Bandwidth PSRR, 1A Low-Dropout (LDO) Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADS5402 Download
CSD17313Q2 WSON (DQK)| 6 Download -
LMH6521 Download Download
LMK04803 Download
SN65LVDS100 Download Download
Download Download
TPS2400 Download Download
TPS767 Download Download
Download -
TPS7A80 Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 351 03 Sep 2013
Design files (5)
Title Type Size (KB) Date
ZIP 849 02 May 2014
ZIP 2754 02 May 2014
ZIP 2975 02 May 2014
PDF 137 02 May 2014
PDF 118 02 May 2014
Related Tools & Software

Software (1)



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