SLOU588 March   2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Device Information
  8. 2Hardware
    1. 2.1 Setup
      1. 2.1.1 General Use
      2. 2.1.2 Test Setup Diagrams
        1. 2.1.2.1 Gain and OP1dB Test Setup
        2. 2.1.2.2 S-Parameter Test Setup
        3. 2.1.2.3 Noise Figure Test Setup
        4. 2.1.2.4 Two-Tone OIP3 Test Setup
  9. 3Hardware Design Files
    1. 3.1 Schematic
    2. 3.2 PCB Layout
      1. 3.2.1 Stack-Up and Material
    3. 3.3 Bill of Materials (BOM)
  10. 4Additional Information
    1.     Trademarks
  11. 5Related Documentation

2.1.2.2 S-Parameter Test Setup

TRF1213EVM S-Parameter Test SetupFigure 2-2 S-Parameter Test Setup

Use the following guidelines for S-parameter measurement:

  1. Figure 2-2 shows the S-parameter measurement, typically done using a vector network analyzer (VNA). For measuring the TRF1213EVM, use a 3-port VNA that can generate single-ended signals and receive differential signals at the input and output ports of EVM, respectively.
  2. Before connecting the RF coax cables to the EVM, calibrate the VNA along with the cables using a calibration kit.
  3. Ensure that the frequency sweep and output power level from the VNA is set within the linear operating range of the TRF1213 device. The resolution bandwidth (RBW) and dynamic range of the VNA can be adjusted to give optimum sweep time for the measurement.
  4. Account for board trace losses at the input and output side of the device during gain measurements. Figure 2-3 gives typical input and output trace losses measured on the EVM.
TRF1213EVM PCB Trace Loss vs FrequencyFigure 2-3 PCB Trace Loss vs Frequency