Device and method for automatically testing Ku waveband phase difference of multi-branch power amplifier
A power amplifier, automated testing technology, applied in the measurement device, the phase angle between voltage and current, instruments and other directions, can solve the problems of large measurement workload, low data accuracy, low measurement efficiency, etc., to achieve the measurement workload The effect of small size, high data accuracy and high measurement efficiency
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[0040] Such as figure 1 As shown, a Ku-band multi-branch power amplifier phase difference automated test device includes a single-pole three-throw switch 1, a signal conditioning unit 2, a data acquisition unit 3, a control unit 4, and a frequency synthesizer;
[0041] The single-pole three-throw switch 1 has three fixed ends respectively connected to the three input ends of the tested multi-branch power amplifier 5 for switching the power of different branches of the tested multi-branch power amplifier 5 Amplifier
[0042] The signal conditioning unit 2 has its input terminal connected to the output terminal of the tested multi-branch power amplifier, and is used to convert the power data output by the tested multi-branch power amplifier 5 to obtain a conforming data acquisition unit 3 Collect the standard power level;
[0043] The input end of the data acquisition unit 3 is connected to the output end of the signal conditioning unit 2, and its output end is connected to the signa...
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