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RE: CCS applications

Posted by KevinC (M) on May 28, 2016 at 12:41:57

In Reply to: CCS applications posted by nerdorama on May 28, 2016 at 08:39:07:

You have good eyes! I used a new CCS for that amp that I haven't yet released as a kit. As a cathode CCS, I have used it up to 350mA, and have no reason to believe it won't do more when coupled to the appropriate heat sink. It's a very different design than the other kits and has far more parts. It is, however, the only current source I've ever used in PP or SE cathodes for bias that has never oscillated under any conditions I've thrown at it. Besides the parts count, there are other disadvantages. The voltage is limited to 400VDC across the terminals and it requires selecting resistors to set the current. A trimpot is used for fine adjustment, though.

Kevin Carter
K&K Audio
www.kandkaudio.com

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