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.

Wednesday, March 2, 2016

The solar saga - part 1: Avoiding interference (Why I did not choose microinverters!)

Part 2 of this article (August 22, 2016) is online - to read it, click here: "The Solar Saga - Part 2: Getting the system online"...

Saturday, February 6, 2016

Using "Ultracapacitors" as a power conditioner and ballast for transient high-power loads (or "How to run your HF rig from D-cells" - sort of...)

The problem of "high impedance" power sources: The title serves to illustrate a problem frequently encountered when trying to po...

Tuesday, January 19, 2016

Homebrew Drake TR-3 power supply

Years ago I was a teenager with a novice license and I got for a combination Christmas/Birthday present a "brand new" (to me) Dra...

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