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In Reply to: CCS with Cathode Resistor in a long tail ? posted by multiblitz on September 18, 2016 at 15:18:52:
Unfortunately, you would still need the -15V supply, in fact the Compact Cascode CCS would be returned to the -15V supply and there would be no ground connection as is shown in your existing schematic.
I have no idea why he used 470R cathode resistors and a common CCS. It's not something I have tried.
The change to two CCSs was probably so that the balance between the two halves of the driver could be precisely adjusted by means of the pot. I prefer to select matched triodes. 6N6Ps are cheap!
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- RE: CCS with Cathode Resistor in a long tail ? - KevinC 04:25:59 09/19/16 (9)
- RE: CCS with Cathode Resistor in a long tail ? - multiblitz 06:51:15 09/19/16 (8)
- RE: CCS with Cathode Resistor in a long tail ? - KevinC 09:40:01 09/19/16 (7)
- RE: CCS with Cathode Resistor in a long tail ? - multiblitz 12:27:42 09/19/16 (1)
- RE: CCS with Cathode Resistor in a long tail ? - KevinC 17:44:03 09/19/16 (0)
- RE: CCS with Cathode Resistor in a long tail ? - multiblitz 12:17:39 09/19/16 (4)
- RE: CCS with Cathode Resistor in a long tail ? - KevinC 18:11:55 09/19/16 (3)
- RE: CCS with Cathode Resistor in a long tail ? - multiblitz 21:03:43 11/11/16 (2)
- RE: CCS with Cathode Resistor in a long tail ? - multiblitz 15:56:58 11/12/16 (1)
- RE: CCS with Cathode Resistor in a long tail ? - KevinC 10:41:41 11/14/16 (0)