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PRODUCT DESCRIPTION
This Book Describes A Measurement System That Was Set To Perform Comprehensive Measurements On Rf Power Amplifiers. Data Obtained From The Measurements Is Then Processed Mathematically To Plot 3-D Graphs Of The Basic Parameters Affected Or Generated By Nonlinearities Of The Amplifier I.E. Gain, Efficiency And Distortion .Using A Class Ab Amplifier As The Dut, Two Sets Of Signals ? Both Swept In Power Level And Frequency - Were Generated To Validate The Method; A Two-Tone Signal And A Wcdma Signal. The Measurement Setup Yields 3-D Plots Of Variations Of Gain, Efficiency Or Distortion Versus Any Arbitrary Range Of Frequencies And Input Levels. Moreover, The Measurement Tool Can Be Used To Plot Traditional 2-D Plots. The Test Signals Were Generated By Computer Then Sent To A Vector Signal Generator That Generates The Actual Signals Fed To The Amplifier. The Output Of The Amplifier Is Fed To A Vector Signal Analyzer Then Collected By Computer To Be Handled. Matlab? Was Used Throughout The Entire Process. The System Can Be A Very Useful Tool For Rf Amplifier Users And Designers. It Is Also Useful For Students Who Are Working To Understand Rf Amplifiers And Their Common Trade-Offs.
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