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This test bench project shows a one tone swept power single frequency test bench for power amplifiers.

This test bench includes:

Schematics:

  • PA_One_Tone_Sweep_Power - the test bench setup.  Includes notes on where to change settings specific to your design
  • PA_One_Tone_Sweep_Power_Display - embeds all graphs into one display

Graphs

    • DC Current: DC Current from the DC Voltage source on the output of the transistor in the DUT subcircuit, plotted at a fixed frequency versus input power.
    • DC Drain Efficiency: DCRF measurement plotted at a fixed frequency versus input power.
    • Gain Power gain plotted at a fixed frequency versus input power.
    • Harmonic Powers: Power in the fundamental, 2nd and 3rd order harmonics at a fixed frequency versus input power.
    • Input and Output Current Waveforms: Current waveforms at the input and output of the DUT at a fixed frequency and power where the tuner controls the power level.
    • Input and Output Voltage Waveforms: Voltage waveforms at the input and output of the DUT at a fixed frequency and power where the tuner controls the power level.
    • PAE: Power Added Efficiency at a fixed frequency versus input power.
    • PAE vs Output Power: Power Added Efficiency at a fixed frequency versus output power.
    • Spectrum: Power Spectrum at the input and output of the DUT at a fixed frequency and power where the tuner controls the power level.
    • Total Harmonic Distortion: THD calculated in the output equations, at a fixed frequency versus input power.
    • Total Power Total power at the output and power and available power at the input at a fixed frequency versus input power.

Output Equations

  • PA_One_Tone_Sweep_Power - equations used to calculate the total harmonic distortion.  

Project Folders

  • PA_One_Tone_Sweep_Power - Folder containing all the schematics, graphs and equations for this project. 

Importing the Test Bench

If you are unable to import the test bench automatically by clicking the Import test bench button above, click Here to do that manually.