TIDA-00073

Dual-Wideband RF-to-Digital Receiver Design

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

Communications equipment

Industrial

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Design files & products

Design files

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

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Design guide — TIDA-00073

TIDU126.PDF (648 K)

Reference design overview and verified performance test data

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Schematic — TIDA-00073

TIDR573.PDF (119 K)

Detailed schematic diagram for design layout and components

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Schematic — TIDA-00073

SLAR061A.ZIP (4150 K)

Detailed schematic diagram for design layout and components

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Bill of materials (BOM) — TIDA-00073

TIDR574.PDF (216 K)

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

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Assembly drawing — TIDA-00073

TIDR576.PDF (71 K)

Detailed overview of design layout for component placement

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Assembly drawing — TIDA-00073

TIDR577.PDF (91 K)

Detailed overview of design layout for component placement

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PCB layout — TIDA-00073

TIDR575.ZIP (2274 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

High-speed ADCs (≥10 MSPS)

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

Data sheet: PDF | HTML

Linear & low-dropout (LDO) regulators

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

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 (...)

User guide: PDF

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Technical documentation

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	Type	Title		Date
	Design guide	TSW1265 Dual-Wideband RF-to-Digital Receiver Design Guide		Sep. 03, 2013

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