Sometimes ago my friend told me that I'll need a power meter if I'll continue to play with microwaves. So he gave me this pdf http://www.lensflare.fi/share/files/d009.pdf
Measuring power of an rf amplifier is pretty easy if know the voltage over poles and can assume the correct impedance.
So here is my version of that circuit:
The symbol of diode means detector now :)
Yes it's relative small PCB :)
PCB in Eagle.
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