SLAU546A March   2014  – October 2021 TRF37A73 , TRF37A75 , TRF37B73 , TRF37B75 , TRF37C73 , TRF37C75 , TRF37D73

 

  1. 1Contents
  2. 2EVM Overview
    1. 2.1 Schematic and BOM
    2. 2.2 TRF37x73/75 EVM Bill of Material
    3. 2.3 General Usage Information
  3. 3EVM Layout
    1. 3.1 Description: Stack up and Material
    2. 3.2 PCB Layers
  4. 4EVM Board Loss
  5. 5Test Block Diagrams
    1. 5.1 Noise Figure
    2. 5.2 Gain and P1dB
    3. 5.3 OIP3
  6. 6Revision History

2.3 General Usage Information

This section provides general usage information for the EVM.

  1. Recommended power up sequence:
    1. Connect GND to J4 (black – GND)
    2. Connect Vcc to J3 (red – VCC)
    3. Connect RF input signal to J1 (RFIN)
    4. Connect measurement instrument to J2 (RFOUT)
    5. Ensure the device is not in power-down mode by shorting JP1 terminals 1 and 2 or simply remove JP1 to take advantage of the TRF37x73/75’s internal pull-down resistor.
  2. Power supply options:
    1. For TRF37x73 devices, set VCC to 3.3 V
    2. For TRF37x75 devices, set VCC to 5.0 V
  3. PWDN option:
    1. Short terminals 2 and 3 on JP1 to put the TRF37x73/75 in its power down state.
  4. Tuning options:
    1. Solder mask has been removed along the RF signal paths and VCC path allowing an easy method to slide surface mount components along these traces for optimal tuning.