Tuesday, October 24, 2017

Put an output transformer on the 2SK669 amp

I decided this one is a keeper so I installed a phone jack and an output transformer.
The observant one will notice the transformer has a plug attached to it. This was a 9 volt wall wart before it became my output transformer. I connected it to my DBM and signal generator. I picked up several signals from 3 to 10 mhz.

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