[Boatanchors] Elmac AF-67 - Is V2 only for NFM?
qrv at kd4e.com
qrv at kd4e.com
Wed Jan 1 11:08:11 EST 2014
Cool, thanks!
The rig is enroute to me but I found a top chassis pic & it seems
the tubes aren actually inside the VFO box - good design Elmac!
Happy New Year!
David
> The tube is a reactance modulator. If the power supply runs 6.3-volts
> for the heaters ("filaments"), then you should be able to remove the
> tube. But, if the power supply runs 12.6-volts for the heaters, the
> tube has to remain or else the series / parallel relationship will cause
> an unbalance in the voltage applied to the tubes.
> Glen, K9STH
--
David (NOT Dave) Colburn, KD4E - Nevils, Georgia USA
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