Help With Multi-Elmac AF-68 Grid Bias?

Mike Silva mjsilva at JPS.NET
Mon Nov 2 23:55:13 EST 1998


I don't know this rig -- does it have AC on the heaters?  If so you
could also wire up a voltage tripler (assuming 6.3v) or doubler (12.6v)
and get your bias source that way.  With the small diodes and caps
required you could probably fit the whole thing in place of the missing
battery.

73,
Mike, KK6GM

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