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TIDA-00073

Dual-Wideband RF-to-Digital Receiver Design

Design files

TIDA-00073

Design files

Overview

The TSW1265EVM is an example design of a wideband RF to digital dual receiver solution capable of digitizing up to 125MHz of spectrum. The system provides a reference on how to use the ADS4249, LMH6521, LMK0480x, and a dual mixer to achieve this.  This reference EVEM coupled with a capture card such as the TSW1400 can be used to capture and analyze narrow band and wideband signals.  Instructions are provided on how to change the LO and IF frequencies for different application needs.  The TIDA-00073 was implemented with hardware from the TSW1265EVM.

Features
  • Complete RF to digital wideband receiver solution
  • Up to 125MHz of contiguous signal bandwidth
  • RF Input from 1700M to 2200M (mixer dependent - may be swapped within mixer family)
  • On board DVGA for gain control
  • Easy evaluation platform with TSW1400 and HSDC Pro analysis software
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Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDA-00073
TIDU126.PDF (649 KB)

Reference design overview and verified performance test data

download Assembly drawing — TIDA-00073
TIDR576.PDF (72 KB)

Detailed overview of design layout for component placement

download Assembly drawing — TIDA-00073
TIDR577.PDF (91 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — TIDA-00073
TIDR574.PDF (216 KB)

Complete listing of design components, reference designators, and manufacturers/part numbers

download PCB layout — TIDA-00073
TIDR575.ZIP (2275 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — TIDA-00073
SLAR061A.ZIP (4150 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIDA-00073
TIDR573.PDF (119 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Linear & low-dropout (LDO) regulators

TPS767 — 1-A, 10-V, low-dropout voltage regulator with enable & RESET with delay

Data sheet: PDF | HTML
High-speed ADCs (≥10 MSPS)

ADS4249 — Dual-Channel, 14-Bit, 250-MSPS Analog-to-Digital Converter (ADC)

Data sheet: PDF | HTML
RF VGAs

LMH6521 — High Performance Dual DVGA

Data sheet: PDF | HTML

Start development

Hardware

Evaluation board

TSW1265EVM — Wideband Dual Receiver Reference Design and Evaluation Platform

The TSW1265EVM is a wideband dual receiver reference design and evaluation platform. The signal chain allows conversion from RF to bits using a dual-channel downconverter mixer, the LMH6521 dual-channel DVGA, and the ADS4249 14-bit 250-MSPS ADC. The TSW1265EVM also includes the LMK04800 dual-PLL (...)

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00073 — Dual-Wideband RF-to-Digital Receiver Design
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TSW1265EVM — Wideband Dual Receiver Reference Design and Evaluation Platform

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Hardware development
Reference design
TIDA-00073 — Dual-Wideband RF-to-Digital Receiver Design
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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* Design guide TSW1265 Dual-Wideband RF-to-Digital Receiver Design Guide Sep 3, 2013

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