TIDA-01435

High-Bandwidth Zero-IF Reference Design for Microwave Backhaul

TIDA-01435

Design files

Overview

The TSW40RF82EVM reference design provides a platform to interface the DAC38RF82 with a high-performance modulator - the TRF370417EVM. The TRF370417EVM can modulate wideband signals at up to 6 GHz as would be typical for a microwave backhaul application. The TRF370417 device may be substituted for a suitable higher-frequency device. Minimal modification is required to interface the digital-to-analog converter (DAC) with the modulator. This design provides the method to interface the TSW40RF82EVM with the TRF370417EVM.

Features
  • High-bandwidth zero-intermediate frequency (zero-IF) transmitter solution
  • DAC solution with RF-sampling speed up to 8 GSPS
  • Wideband modulation with TRF370417EVM up to 6 GHz
  • Modulator can be interchanged to achieve higher RF frequencies
  • Modulation error ratio (MER) over 40 dB throughout 5-GHz frequency band

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

TIDUD65A.PDF (428 K)

Reference design overview and verified performance test data

TIDRRQ9.PDF (726 K)

Detailed schematic diagram for design layout and components

TIDRRR0.PDF (96 K)

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

Products

Includes TI products in the design and potential alternatives.

Auto-direction voltage translators

TXB01088-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15-kV ESD Protect

Data sheet document-pdfAcrobat PDF
Buck modules (integrated inductor)

TPS820853A, High-Efficiency Step-Down Converter Module with Integrated Inductor

Data sheet document-pdfAcrobat PDF open-in-new HTML
Charge pumps (inductorless)

LM27761Low-Noise Regulated Inverter with Integrated LDO

Data sheet document-pdfAcrobat PDF open-in-new HTML
Clock jitter cleaners & synchronizers

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

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

TRF37041750MHz to 6.0 GHz Quadrature Modulator, 1.7V common-mode voltage

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

LP5907250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable

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

TPS7A854-A, low-VIN, low-noise, ultra-low-dropout voltage regulator with power good with high-accuracy

Data sheet document-pdfAcrobat PDF open-in-new HTML
N-channel MOSFETs

CSD18532Q5B60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.2 mOhm

Data sheet document-pdfAcrobat PDF open-in-new HTML
RF PLLs & synthesizers

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

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

DAC38RF82Dual-Channel, 14-Bit, 9-GSPS, 1x-24x Interpolating, 6 & 9 GHz PLL Digital-to-Analog Converter (DAC)

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

Technical documentation

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Type Title Date
* Design guide High Bandwidth, Zero-IF Reference Design for Microwave Backhaul (Rev. A) Feb. 02, 2018

Related design resources

Hardware development

EVALUATION BOARD
TRF370417EVM TRF370417 Evaluation Module TSW14J56EVM Data capture/pattern generator: data converter EVM with 8 JESD204B lanes from 0.6-12.5Gbps TSW40RF82EVM 2T2R RF-Sampling Transceiver w/ Dual 14-Bit 3GSPS ADC/9GSPS DAC Clocking Solution Evaluation Module

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