SLAA871 January   2019 AFE7422 , AFE7444

 

  1.   AFE74xx as a single-chip wideband repeater using loopback mode
    1.     Trademarks
    2. 1 Introduction
    3. 2 Repeater Mode (RX-TX Loopback With SerDes Bypassed)
      1. 2.1 Overview of the AFE74xx Repeater Mode
      2. 2.2 Configuration of the AFE74xx as a Repeater
      3. 2.3 Programming the Repeater Mode
        1. 2.3.1 Hardware Setup
        2. 2.3.2 Software Setup and GUI Configuration
    4. 3 130-MHz Digital Repeater System Overview
      1. 3.1 Key System Specifications
    5. 4 System Overview
      1. 4.1 Block Diagram
      2. 4.2 Design Considerations
      3. 4.3 Highlighted Products
        1. 4.3.1 LMK04828
      4. 4.4 System Design Theory
    6. 5 Hardware and Testing
      1. 5.1 Measured Latency and Gain
        1. 5.1.1 Hardware
        2. 5.1.2 Test Setup and Results
      2. 5.2 Measured Linearity Performance
        1. 5.2.1 Hardware and Test Setup
        2. 5.2.2 Test Results
      3. 5.3 Measured Selectivity (Out-of-Band Jammer)
        1. 5.3.1 Hardware and Test Setup
        2. 5.3.2 Test Results
    7. 6 Terminology

6 Terminology

Downlink: Traffic transmitter for the communication link, with respective to the main data source at the service provider

TX: Traffic transmitter for the communication link

TXDAC: Digital-to-analog converter used for traffic transmitter

Uplink: Traffic receiver for the communication link, with respective to the main data source at the service provider.

RX: Traffic receiver for the communication link

RXADC: Analog-to-digital converter used for traffic receiver or feedback receiver

DPD: Digital predistortion for power amplifier linearization

PA: Power amplifier for transmitter link

LNA: Low-noise amplifier for receiver link

DAS: Distributed antenna system

MU: Master unit in DAS

RU: Remote unit in DAS

BTS: Base station unit

MIMO: Multiple-input-multiple-output

JESD204B: JEDEC standard for high-speed serial link for data converters.

PLL: Phase-locked loop