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TIDA-01435

High-Bandwidth Zero-IF Reference Design for Microwave Backhaul

Design files

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
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Design files & products

Design files

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

download Design guide — TIDA-01435
TIDUD65A.PDF (429 KB)

Reference design overview and verified performance test data

download Bill of materials (BOM) — TIDA-01435
TIDRRR0.PDF (97 KB)

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

download Schematic — TIDA-01435
TIDRRQ9.PDF (727 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

MOSFETs

CSD18532Q5B — 60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.2 mOhm

Data sheet: PDF | HTML
Clock jitter cleaners

LMK04828 — Ultra low-noise JESD204B compliant clock jitter cleaner with integrated 2370 to 2630-MHz VCO0.

Data sheet: PDF | HTML
Hot-swap controllers

TPS2400 — 5.5-V over voltage protection controller with 100-V input transient protection

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS7A85 — 4-A, low-VIN, low-noise, ultra-low-dropout voltage regulator with power good with high-accuracy

Data sheet: PDF | HTML
DC/DC converters

LM27761 — Low-Noise Regulated Inverter with Integrated LDO

Data sheet: PDF | HTML
High-speed DACs (>10 MSPS)

DAC38RF82 — Dual-Channel, 14-Bit, 9-GSPS, 1x-24x Interpolating, 6 & 9 GHz PLL Digital-to-Analog Converter (DAC)

Data sheet: PDF | HTML
Power modules (integrated inductor)

TPS82085 — 3A, High-Efficiency Step-Down Converter Module with Integrated Inductor

Data sheet: PDF | HTML
Voltage translators

TXB0108 — 8-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15-kV ESD Protect

Data sheet: PDF | HTML
RF PLLs & synthesizers

LMX2582 — 5.5-GHz high performance, wideband PLLatinum RF synthesizer

Data sheet: PDF | HTML
IQ modulators

TRF370417 — 50MHz to 6.0 GHz Quadrature Modulator, 1.7V common-mode voltage

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

ADC32RF45 — Dual-channel, 14-bit, 3-GSPS, RF-sampling analog-to-digital converter (ADC)

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

LP5907 — 250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable

Data sheet: PDF | HTML

Start development

Hardware development

Evaluation board

TRF370417EVM — TRF370417 Evaluation Module

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 (...)
EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-01435 — High-Bandwidth Zero-IF Reference Design for Microwave Backhaul
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TRF370417EVM — TRF370417 Evaluation Module

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Hardware development
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TIDA-01435 — High-Bandwidth Zero-IF Reference Design for Microwave Backhaul
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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* Design guide High Bandwidth, Zero-IF Reference Design for Microwave Backhaul (Rev. A) Feb 2, 2018

Related design resources

Hardware development

EVALUATION BOARD
TRF370417EVM — TRF370417 Evaluation Module

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