[Hammarlund] Super-Pro S Meter

[Edward B Richards]

You are correct. Sorry.

Ed  K6UUZ

On Thu, 05 Mar 2009 08:55:36 -0500 "Kenneth D. Grimm, K4XL"
<grimm at sbc.edu> writes:
> 
> Both the SP-200 and SP-400 parts lists specify 200 microamp meters.
> My guess is that other flavors also use the same value.
> 
> Ken - K4XL
> 
> entropycat at verizon.net wrote:
> > Greetings to Ed and the list:
> >
> >    Ed, you wrote:   <snip>   "   The S-meter is described as 0-200 
> Ma,  ..."
> >
> >    I am having a rough time with this number.   I don't think the 
> whole 
> > radio draws more than 200 mA total, except for the filament 
> circuit. 
> > Therefore, I am at a loss wondering where in the radio did 
> Hammarlund find a 
> > circuit with a 200 mA change in current with applied signal 
> strength.
> >
> >    Is it possible that this may have been misread and the actual 
> meter 
> > movement is 200 uA (200 micro-amps)?   If so, this will make a big 
> 
> > difference in S meter readings if you go with a non-original 200 
> mA meter 
> > according to your spec above.
> >
> > 73,
> > Jim T.
> > KB6GM
> > entropycat at verizon.net
> > "entropycat" copyright 2008 James K. Thorusen
> > All Rights Reserved 
> >
> >   
> >
> 
> 
> -- 
> Ken K4XL
> k4xl at arrl.net
> 
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