Ferrite beads


            

I ordered some ferrite beads for a RF circulator project I currently work on but these might also be very handy for the SWR bridge project. These are extremely efficient for RF supression, or at least this is what they say.

A cold war era reel-to-reel

This old reel-to-reel was the joy of my teenager days, Back in eighties I was listening to VOA and Radio Kuweit and I was recording mostly on east-german OR-WO tapes (that were quite decent) because the BASF and Agfa were in shortage. Western music reached the black market usually by pilots that were operating civil […]

Boards for prototypes

For low frequency projects, a fast way to prototype is using a bare PCB and scratch some dividers that allow “manhattan” style prototyping. I am especially very fond of this prototyping technique and I believe that PCB design should be avoided in the early stages of prototyping. Jim Williams was an artist in such designs. […]

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