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PI Circuit from Carl

A

Anonymous

Guest
Hey Folks
Just curious if anyone else is working on building the PI circuit that Carl posted a while back. I have been building up sections of it and testing it before I build up the entire circuit on a proper PCB. I still have to acquire a few parts,, but it looks good so far. I redesigned the power supply section to use parts I had on hand, but will probably go with the original design since it is much smaller. If you are working on it, let us know how you are doing.
Thanks
Russ_NY
 
I know it's been a while, but my time on this has been limited. There were 3 or 4 errors on the original PCB, and after a bit of messing with the circuitry I decided to redesign the whole audio section. New design can be set up for either VCO off the 555 or non-VCO synchronous with the pulse rate. I am currently laying out a new PCB, and hope to wrap it up this week. Will post more info then.
- Carl
 
Hi,
I am very interested by the construction and realisation of
the matal detector "Corbyn" (http://metaldetector.bratsk-city.ru/master_pi.htm)
I should be pleased to receive of full circuit diagram and PCB.
Thanks very much
Gustaw (xr71@wp.pl)
 
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