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 View Post: DIY Workshop » today's lunch - a DC coupled gain stage Szekeres
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Apheared

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posted 02-03-2001 05:40 PM CST (US)   View Profile for Apheared   Send PM  to Apheared   |  Edit Message  |  Quote Message in Reply
duh, I knew that. :) Wasn't remembering that supply ratings don't need to be symmetric... was too busy laughing at skippy's battery amp in the window behind this one when I answered... and it just so happens I have a 0-30V 0-5A variable supply inbound, should be here next week.

I too wondered that about the R1/RG... since there's no other connections it's just series resistance, so why both? Also R1 is the same value as the one to ground, maybe this is by intent? I'll bypass R1 and just run it thru the 220 ohm gate resistor and report back. The case is still open while I re-think my thermal management options.

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