Hi guys, any suggestion how to measure the output complex impedance of an RF amplifier?
Using a NANO VNA?
Measuring voltage, current and phase with an oscilloscope and calculate the impedance?
Basically I would like to figure out the output impedance of a Chinese amplifier (HF and VHF) to calculate matching network and filters
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Thanks John, very interested readings for this weekend…
I am tempted to put the amplifier on TX grounding the input and use a NANOVNA to measure the output impedance and hoping not to see smoke