| To: | <amps@contesting.com> |
|---|---|
| Subject: | [Amps] Heathkit HA-14 filaments |
| From: | Bill Fuqua <wlfuqu00@uky.edu> |
| Date: | Tue, 31 May 2005 09:29:49 -0400 |
| List-post: | <mailto:amps@contesting.com> |
To my surprise I found that the filaments of the HA-14 were not driven by a center-tapped AC filament transformer when using the AC power supply. I can see that this can be a real source of 60 Hz modulation on a signal. Has anyone used these for CW using the AC power supply? 73 Bill wa4lav _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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