In Reply to: Re: you forgot the bias method. posted by Salectric on February 17, 2006 at 07:25:15:
"Joel, are you saying one side of the 220R would be connected to the cathode, and the other to the 10K, with the 100K running from the junction of the 220/10K to the grid?"Exactly. And then take the output from the cathode.
Also: you will need a grid stopper on the grid pin(s). I would try 1k first. Use a carbon composition type. And you will need a capacitor input to the whole thing, as in any bootstrapped CF. 0.047uF will probably be good.
Joel
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Follow Ups
- Re: you forgot the bias method. - Joel Tunnah 07:43:57 02/17/06 (0)