[sdiy] 1-quadrant multiplier with 2164

Mike Bryant mbryant at futurehorizons.com
Fri Jan 21 11:11:13 CET 2022

> There are now 87 Freak Shifts out in the wild all over the world, and 
> everyone seems to be impressed with their performance.  Plus, the 
> price is a measly US $300, which is a fraction of what other Bode 
> frequency shifters cost. (Bear in mind that I build each one by hand, 
> and each one takes me about 5 hours, so they are not mass produced.) 
> Hence, not to put too fine a point on it, but I would say that the 
> Freak Shift is the analogue design to beat.

Why don't you get them built by a low volume assembly house and get on with designing more modules ?   Or at least have the PCBs made elsewhere ?

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