[ARC5] What does this test and how does it work?

[J Forster]

Correct. It's for testing the mixer diodes, like the 1N21s, used in the front ends of radar in the 3 and
10 centimeter band and in ELINT receivers in the microwave region.. It's a simple DC test, measuring
forward and reverse parameters. It's really more of a GO-NOGO tester than an engineering tool. It can
also likely be used to match diodes for use in double balanced mixers.

Best,
-John

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D C *Mac* Macdonald wrote:

> Just a guess on my part, but I suspect
> that this is for testing microwave/radar
> detector diodes.
>
> 73 - Mac, K2GKK/5
> Oklahoma City, OK