AFE7444EVM

AFE7444 quad-channel RF-sampling AFE with 14-bit 9-GSPS DAC and 3-GSPS ADC evaluation module

AFE7444EVM

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Overview

The AFE7444 evaluation module (EVM) is an RF-sampling transceiver platform that can be configured to support up to four-transmit and four-receive (4T4R) channels simultaneously. The module evaluates the AFE7444 device, which is a quad-channel RF-sampling analog front end (AFE) with 14-bit 9-GSPS digital-to-analog converters (DACs), 14-bit 3-GSPS analog-to-digital converters (ADCs), and on-chip integrated PLL/VCO for high-frequency clock generation for DACs and ADCs.

AFE7444EVM has options to use dual digital up converters and down converters in each channel to synthesize and digitize multiple wideband signals with high dynamic range simultaneously. On-chip integrated digital step attenuator (DSA) for the receiver channels and DSA-equivalent functionality for the transmitter channels are supported. Eight JESD204B-compatible serializer/deserializer (SerDes) transceivers running up to 15 Gbps can be used for providing inputs and outputs to/from the AFE7444 device through the onboard FMC connector.

AFE7444EVM includes the LMK04828 clock generator for providing a reference signal to the AFE on-chip PLL and for generating the required SYSREF signals for the JESD204B protocol. Also included is the option for providing an ultra-low-phase noise external clocking solution.

AFE7444EVM implements an efficient low-dropout (LDO)-less power-management solution using only DC-DC converters for the required power rails. The design interfaces with the TI pattern/capture card solution (TSW14J57EVM), as well as many FPGA development kits.

Features
  • Allows evaluation of 4T4R RF-sampling AFE7444 solutions
  • JESD204B data interface to simplify digital interface; compliant up to 15-Gbps lane rates
  • Supports JESD204B subclass 1 for synchronization and compatibility
  • Option for DC-DC-based LDO-less power-management solution
  • Onboard clocking solution supported with LMK04828 and for generating SYSREF
  • On-chip interpolation/decimation filter inputs/outputs sample data at reduced sample rates and improved SNR

  • AFE7444 evaluation module
  • USB cable
  • Power cable

RF-sampling transceivers
AFE7444 4-transmit, 4-receive RF-sampling transceiver, 10-MHz to 6-GHz, max 600-MHz IBW

 

Buck converters (integrated switch)
TPS56121 4.5-V to 14-V, 15-A synchronous SWIFT™ buck converter

 

Clock jitter cleaners & synchronizers
LMK04828 Ultra low-noise JESD204B compliant clock jitter cleaner with integrated 2370 to 2630-MHz VCO0.
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Important note

AFE7444EVM is a prototype evaluation module available in limited quantities.

Get started

  1. Order the evaluation board - AFE7444EVM
  2. Order (if needed) the FPGA capture card - TSW14J57EVM
  3. Read the evaluation board user's guide
  4. Make sure you have or buy the necessary power supplies for both boards
  5. Download and install the GUI for the evaluation board
  6. Download and install HSDCPro software for the TSW14J57EVM capture card

Order & start development

Evaluation board

AFE7444EVM — AFE7444 quad-channel RF-sampling AFE with 14-bit 9-GSPS DAC and 3-GSPS ADC evaluation module

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Technical documentation

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Type Title Date
* EVM User's guide AFE7444EVM and AFE7422EVM User's Guide 10 Oct 2018
Certificate AFE7444EVM EU Declaration of Conformity (DoC) 02 Jan 2019

Related design resources

Hardware development

EVALUATION BOARD
TSW14J57EVM Data capture/pattern generator: data converter EVM with 16 JESD204B lanes from 1.6-15Gbps

Software development

SUPPORT SOFTWARE
DATACONVERTERPRO-SW High-speed data converter pro software

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