Tag: OTA

  • Causality 6 by Frequency Central

    Causality 6 by Frequency Central

    This is 4/6 stage OTA based phase shifter by Rick Holt of Frequency Central fame. Here is a link to epic thread about this and a 4 stage design over at DIYStompboxes.com. Here’s my build, which is working but has a couple issues that need to be worked out before it’s ready for prime time. […]

  • Casualty 4 Phaser

    Here’s interesting phaseshifter idea I found over at Circuit Workshop. The Casualty 4 is an OTA based phase shifter with two modulated stages and two fixed phase shift stages. This looks like a pretty interesting project. Looks like you can fit this in a B sized box but there doesn’t seem to be enough room […]