| To: | "Robert B. Bonner" <rbonner@qro.com> |
|---|---|
| Subject: | Re: [Amps] SB-220 grid current |
| From: | "Tom W8JI" <w8ji@w8ji.com> |
| Date: | Sat, 25 Nov 2006 12:27:20 -0500 |
| List-post: | <mailto:amps@contesting.com> |
> No plate voltage No. No plate voltage causes the grid meter to pin at low levels of drive. In a GG amp a negative grid meter swing is caused by a short from the cathode to chassis ground. That can be a shorted tube or anything on the cathode shorted to the chassis. 73 Tom _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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