KA7OEI's blog

Random musings - usually on a technical (nerdy) subject - perhaps related to amateur radio and things found at ka7oei.com and modulatedlight.org. No AI is used to generate this content.

Monday, October 24, 2016

On the winding of power chokes and transformers: Part 1 - A power choke

There are follow-up to this posts to this one: The Filament Transformer (link) - Designing and building a transformer with two 11.5 vol...

Wednesday, September 28, 2016

Automatic volume tracking for a TV

A couple of years ago I was given a non-working 50" Philips flat-panel TV. As is often the case with these things, there was actually ...

Monday, August 22, 2016

The solar saga - part 2: Getting the system online

In part one (March 2, 2016) I wrote about why I chose to use a series string inverter system. (Hint: It was to prevent radio-frequency in...

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