It's looking like I may have TR switch problems (diode has the same
resistance either direction. This is the high power PIN diode in the TR
switch.
Does anyone know of a current source for the UM 9400 (or MA4P1200) PIN
diodes in the TR Switch? Are there any substitutes for these diodes? Many
years ago I got some from Down East Microwave but they don't show them
anymore.
Thanks
Steve KD2ED
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