[ARC5] Receiver Voltages.

Jim Falls radio-tuber at att.net
Thu Apr 30 21:29:01 EDT 2015


Crash landed/shot up/running on batteries. Sub-watt CW would git-r-dun for sure. 

Cheers!
Jim K6FWT
CBLA #37

> On Apr 30, 2015, at 08:20, David Stinson <arc5 at ix.netcom.com> wrote:
> 
> 
> ----- Original Message ----- From: "Dennis Monticelli" <dennis.monticelli at gmail.com>
> 
> Subject: Re: [ARC5] Receiver Voltages.
> 
>> I respect the original designers, but this is still somewhat of a mystery
>> to me.  I'm sure they had a good reason.
> 
> I have a theory about this.  I arrived at it while doing
> research on Low-B+ with the Command Sets.
> 
> I discovered that the communications receivers and the
> transmitters and the modulators will all work and provide
> a properly-modulated signal out with nothing but 24 VDC
> on all the A and B busses.  It's "headphone" audio and
> sub-Watt levels, to be sure, but they do work.
> That cannot be said for any other transmitter or
> modulator I've investigated.
> 
> I can't prove it, but I don't believe this is some
> sort of "happy accident."  The engineers at A.R.C.
> were brilliant men.   I think they intended for the thing
> to work at some level when the dynamotors were either
> damaged or there wasn't enough battery left to run them.
> 
> Like I said; I can't prove it, but I don't believe the
> "happy accident" deal.
> 
> 73 DE Dave AB5S
> 
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