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Macro remote radio unit (RRU)

Products and reference designs
Block diagram

Macro remote radio unit (RRU)

Block diagram

Overview

Integrated circuits and reference designs help you create macro remote radio units (RRUs) that connect people and devices with higher bandwidth. Our modern radio frequency (RF) sampling radio or intermediate frequency (IF) sampling architectures enable direct, high-speed data conversion while our companion power and clocking products meet the latest 5G requirements.

Design requirements

Modern macro RRUs require:

  • Highly integrated analog front end with wider bandwidth and multi-frequency operation.
  • High-density power management operating at high ambient temperature.
  • Network synchronization over packet-based fronthaul interface.
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Block diagram

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RRU IF Sampling

RRU RF Sampling (Sub 6 GHz)

Technical documentation

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Type Title Date
Application note AN-1434 Crest Factor Invariant RF Power Detector (Rev. A) 30 Apr 2013
Application note Base Station Closed-Loop RF Pwr Cntrl w/LMV232 Crest-Factor Invariant Detector (Rev. A) 30 Apr 2013
Application note Dither Improves ACPR in RF Sampling DAC 24 Oct 2018
Application note Protecting Radio, Baseband and Active Antenna Systems with TPS2352x Hot Swaps 24 Aug 2018
White paper 準備好迎接 5G 世界： 使用技術與硬體需求概論 22 Feb 2019
Application note LMK0461x Phase Noise Performance With DC-DC Converters (Rev. B) 20 Jul 2017
White paper Preparing for a 5G world: An overview of the enabling technologies and hardware 17 Dec 2018
Application note AFE768x Power Dissipation Comparison across Modes 17 Aug 2018
Application note Optimizing Layout of the TPS54824 HotRod™ Package for Thermal Performance 16 Nov 2018
Application note JESD204B Multi-Device Synchronization Using LMK0461x 16 Aug 2017
Analog Design Journal JESD204B multi-device synchronization: Breaking down the requirements 12 May 2015
White paper Analog advancements make waves in 5G communications 12 Aug 2016
Application note TI Network Synchronizer Clock Value Adds in Communications and Industrial Applic 12 Apr 2018
Application note Low Voltage Translation for SPI, UART, RGMII, JTAG Interfaces (Rev. B) PDF | HTML 11 May 2022
Application note Powering the AFE7920 with the TPS62913 Low-Ripple and Low-Noise Buck Converter (Rev. A) PDF | HTML 11 May 2022
Application note MIMO Transceiver with AFE76xx for LTE and 5G Wireless Radio (Rev. A) 10 May 2022
Application note Clocking Optimization for RF Sampling Analog-to-Digital Converters (Rev. A) PDF | HTML 10 May 2022
Application note An Efficient LDO-less Power Supply Solution for AFE76xx 10 Aug 2018
Application note Spurs Analysis in the RF Sampling ADC 09 Feb 2018
Application note RF Sampling ADC with 800MHz of IBW LTE 08 Sep 2016
White paper Internally compensated advanced current mode (ACM) (Rev. A) 07 Dec 2018
White paper Direct RF conversion: From vision to reality 05 May 2015
Application brief Improving RF Power Amplifier Efficiency in 5G Radio Systems 05 Feb 2019
Application note AFE76xx as a Single-Chip Wideband Repeater Using Loopback Mode 01 Nov 2018

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