AFE7422EVM

具有 14 位 9GSPS DAC 和 3GSPS ADC 的 AFE7422 双通道射频采样 AFE 评估模块

AFE7422EVM

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概述

The AFE7422 evaluation module (EVM) is an RF-sampling transceiver platform that can be configured to support up to two-transmit and two-receive (2T2R) channels simultaneously. The module evaluates the AFE7422 device, which is a dual-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.

AFE7422EVM 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 AFE7422 device through the onboard FMC connector.

AFE7422EVM 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.

AFE7422EVM 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.

特性
  • Allows evaluation of 4T4R RF-sampling AFE7422 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

  • AFE7422 evaluation module
  • USB cable
  • Power cable

射频采样收发器
AFE7422 具有旁路模式 14 位 9GSPS DAC 和 3GSPS ADC 的双通道射频采样 AFE

 

时钟抖动清除器和同步器
LMK04828 Ultra low-noise JESD204B compliant clock jitter cleaner with integrated 2370 to 2630-MHz VCO0.

 

降压转换器(集成开关)
TPS56121 4.5-V to 14-V, 15-A synchronous SWIFT™ buck converter

开始使用

  1. Request access to the AFE7422 secure folder
  2. Order the AFE7422EVM and TSW14J57EVM
  3. Download and Install High Speed Data Converter Pro
  4. Read the AFE7422EVM and TSW14J57EVM user’s guides and make sure you have the proper power supplies before your boards arrive

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硬件和软件包

Evaluate with AFE7422

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评估板

AFE7422EVM – AFE7422 dual-channel RF-sampling AFE with 14-bit 9-GSPS DAC and 3-GSPS ADC evaluation module

应遵守 TI 的评估模块标准条款与条件.

技术文档

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类型 标题 下载最新的英文版本 日期
* 用户指南 AFE7444/22 User's Guide 2018年 10月 10日
更多文献资料 AFE7422EVM EU Declaration of Conformity (DoC) 2019年 1月 2日

相关设计资源

硬件开发

评估板
TSW14J57EVM 数据采集/信号发生器:具有 16 个 JESD204B 通道 (1.6-15Gbps) 的数据转换器 EVM

支持与培训

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