SLVUDG6 November   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specifications
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Block Diagram
    2. 2.2 PCB Handling Recommendations
    3. 2.3 Power Connections
    4. 2.4 Connectors
      1. 2.4.1 Primary Radar Connector (J18)
      2. 2.4.2 Secondary Radar Connector (J23)
      3. 2.4.3 USB Connectors (J16_1, J17_1, J16_2, J17_2)
      4. 2.4.4 Debug Connectors (J6_1, J6_2)
    5. 2.5 Antenna
    6. 2.6 PC Connection
    7. 2.7 Jumpers, Switches, and LEDs
      1. 2.7.1 Switches (SW1_1, SW1_2)
      2. 2.7.2 Jumpers
      3. 2.7.3 LEDs
    8. 2.8 Push Buttons (SW2, SW3)
  8. 3Tools and Software
  9. 4Hardware Design Files
  10. 5Additional Information
    1. 5.1 Trademarks
  11. 6Revision History

2.5 Antenna

The AWR2188EVM includes a 3D waveguide antenna by Huber+Suhner for the 16 receivers and 16 transmitters. This antenna design utilizes a near-regular array which enables estimation of both azimuth and elevation angles, allowing for object detection in a 3-D plane

AWR2188EVM Antenna Port AssignmentFigure 2-13 Antenna Port Assignment

The virtual array of the 16 transmitters is shown in the TX Virtual Array figure.

AWR2188EVM TX Virtual ArrayFigure 2-14 TX Virtual Array

The virtual array of the 16 receivers is shown in the RX Virtual Array figure.

AWR2188EVM RX Virtual ArrayFigure 2-15 RX Virtual Array
The total resulting virtual array of the 16x16 combined elements is shown in the Antenna Near-Regular Array Configuration figure.

AWR2188EVM Antenna Near-Regular Array ConfigurationFigure 2-16 Antenna Near-Regular Array Configuration
The simulated antenna gain is 15dBi in the 76-81GHz region.

AWR2188EVM TX and RX Simulated DirectivityAWR2188EVM TX and RX Simulated DirectivityFigure 2-17 TX and RX Simulated Directivity