Monthly Archives: June 2013

Designing with op-amps and single supplies

I thought I would make myself a crib sheet for the basics of designing with op amps. Then I thought I may as well post it here so I won’t have to remember where I put my crib sheet. This will be an ongoing thing. The subject is: Analogue audio design using op-amps with single-ended… Read More »

True Bypass Relay with Muting

Update – extra schematics and timing diagrams added (see below). Also TLP222G optofets are available in the shop here. There has been discussion on Stompville here (in the comment section) and on diystompboxes.com about problems with audio clicks when using a relay for true bypass. The consensus seems to be that the answer is to use… Read More »