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1. Re: [Amps] complicated Bias circuit (score: 1)
Author: Steve Gorecki VE3RX <ve3cwj@gmail.com>
Date: Mon, 5 May 2014 12:25:02 -0400
Paul, it looks like +ve bias for the cathode of the tube, meaning it is likely a grounded grid design. R20 is for RX as well, I suspect, providing further bias to cut off the tube idle current (reduc
/archives//html/Amps/2014-05/msg00018.html (7,937 bytes)

2. Re: [Amps] Using computer CPU coolers on GI46b triode ? (score: 1)
Author: Steve Gorecki VE3RX <ve3cwj@gmail.com>
Date: Fri, 9 May 2014 15:53:47 -0400
Speaking from the CPU side of things, most CPU coolers cool a CPU that gives off about 65-135W of heat. Usually not any more than that. Thus, depending on the tube dissipation, you would need several
/archives//html/Amps/2014-05/msg00063.html (9,002 bytes)

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