|[AMRadio] VTVM Battery Eliminator|
Merz Donald S
merz.ds at mellon.com
Thu Jul 20 12:26:52 EDT 2006
Going through these old magazines, one idea that pops up a few times is replacing the OHMS battery in old VTVMs with some sort of regulated 1.5V derived from the VTVM's AC supply. The circuit designers seem to be a bit at odds over the best way to accomplish this.
Has anyone does this with a circuit that they are happy with? I'd like to do this to one or more of my VTVMs but I don't want to experiment with it--I want an optimal circuit that will be reliable. Anybody got one?
73, Don Merz, N3RHT
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