TIDA-01163

Multi-band RF Sampling Receiver Reference Design

TIDA-01163

Design files

Overview

The RF sampling receiver captures signals directly in the radio frequency (RF) band. In a multi-band application the desired signals are not very wide band but they are spaced far apart within the spectrum. The reference design captures signals in different RF bands and digitally down-converts them to baseband.

The reference design showcases the ADC32RF80 dual channel, 14-bit, 3-GSPS RF sampling telecom receiver. The device includes two digital down converters (DDC) per channel. The DDC offers decimation values from 8 to 32 and includes a 16-bit numerically controlled. With the high sampling rate of the ADC32RF80 the reference design captures a large swatch of RF spectrum which contains signals in multiple bands and potentially undesired interferers. The DDC independently mixes the desired bands to digital baseband. Decimation reduces the output data rate to a lower level and provides digital filtering around the desired band to eliminate interference and to improve signal-to-noise ratio performance. This feature is critical for high end telecommunication receivers that require high dynamic range.

Features
  • Digital down converter with decimation solution
  • Interference avoidance configuration
  • Low noise, high dynamic range RF sampling receiver solution
  • Low-phase noise clocking solution for RF sampling ADC

Design files & products

Design files

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

TIDUBQ3.PDF (681 K)

Reference design overview and verified performance test data

TIDRLY1.PDF (607 K)

Detailed schematic diagram for design layout and components

TIDRLY2.PDF (230 K)

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

TIDRLY3.ZIP (7043 K)

Files used for 3D models or 2D drawings of IC components

Products

Includes TI products in the design and potential alternatives.

Auto-direction voltage translators

TXB01044-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15 kV ESD Protect

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Buck converters (integrated switch)

TPS620853-A Step-Down Converter with DCS-Control and Hiccup Short Circuit Protection in 2x2 HotRod Package

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Clock jitter cleaners & synchronizers

LMK04828Ultra low-noise JESD204B compliant clock jitter cleaner with integrated 2370 to 2630-MHz VCO0.

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High-speed ADCs (>10MSPS)

ADC32RF45Dual-channel, 14-bit, 3-GSPS, RF-sampling analog-to-digital converter (ADC)

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS742011.5-A, low-VIN (0.8-V), low-noise, high-PSRR, adjustable ultra-low-dropout voltage regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7A471-A, 36-V, low-noise, high-PSRR, low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7A72002-A, low-VIN (1.43-V), ultra-low-dropout voltage regulator with power good & enable

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RF PLLs & synthesizers

LMX25825.5-GHz high performance, wideband PLLatinum RF synthesizer

Data sheet document-pdfAcrobat PDF open-in-new HTML
eFuses & hot swap controllers

TPS24005.5-V over voltage protection controller with 100-V input transient protection

Data sheet document-pdfAcrobat PDF open-in-new HTML

Start development

Software

GUI for evaluation module (EVM)

ADC32RFxxEVM SPI GUI Installer (Rev. B) — SBAC148B.ZIP (179936 K)

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Technical documentation

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* Design guide Multi-band RF Sampling Receiver Solution Apr. 19, 2016

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