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Re: ANTENNA INPUT CHARACTERIZATION


KY1K
 

First off, I have to apologize for sending the pdf to the list, I meant to send that by private mail to Tony. Haste makes waste. Thanks to all who didn't yell at me for sending an attachment to the list.

Tony, I checked the values of both fixed inductors, they are in the proper board locations and not reversed.

I can't check the values of C20 and C22 with the transformer in place, so I am going to pull the transformer. I'm fairly sure I didn't mess up the transformer, but the leads are hard to see once it's in place. To save time, I'll probably cut the wires to remove the transformer, then rewind the toroid.

The resistance measurements on the transformer check out OK per the directions below.

Before I reinstall the transformer, I'll check the inductance of the primary as a very small crack in the ferrite can drastically reduce the inductance.

Wish me luck....I might need it.

Art

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