Re: Power Meter

dick faust

Sam Wetterlin has some information on his web site on how to build a calibrator and the theory behind the circuit. It is the fifth paragraph down, under the title "MSA Documentation Relating to Hardware"

I made a version for myself and there is documentation on my web page along with Gerbers for OSH Park under "Calibration Source for VNA, PHSNA, Scopes or Spectrum Analyzers"

There was also a spreadsheet and documentation in the old Yahoo Groups File area [not sure where it is here] on how to calibrate with a battery and a pot by applying the DC directly to the AD8307 inputs.

Dick K9IVB

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