Tag: frequency central

  • 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.…