[Elecraft] K3 voltage indicator

[david Moes]

13.8 RX
12.2 TX
voltage at distribution box drops to 13.3 on TX   key down CW  with 2 ft 
10awg PSU to dc distribution box  with fuses.  3ft 12AWG to K3    still 
well within specs and definitly still better IMD that any other rig I 
have in the shack I am sure.  so no worries here.

David Moes
President: Peterborough Amateur Radio Club.
dmoes at nexicom.net
VE3DVY,  VE3SD

On 3/8/2015 07:24, G4FNL wrote:
> Guys
>
> I may need to re-enforce my power lead and connections - but they appear OK.
>
>
> What I was asking was what does the voltage display indicator show on your
> K3 - when compared to mine?  I have since understood that the voltage drop
> that I see (at the 3 power settings mentioned) is about normal......
>
> 73 Graham G4FNL
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Robin
> Moseley
> Sent: 08 March 2015 02:17
> To: Elecraft Reflector
> Subject: Re: [Elecraft] K3 voltage indicator
>
> Measure the voltage inside the K3,   at the powerpole..   you may need
> thicker DC lead or clean the fuse contacts.
>
> G1MHU
>
> -----Original Message-----
> From: Harry Yingst via Elecraft
> Sent: Sunday, March 08, 2015 12:47 AM
> To: graham at g4fnl.co.uk ; Elecraft Reflector
> Subject: Re: [Elecraft] K3 voltage indicator
>
> What are you using for a Power Supply?
>
>
>        From: G4FNL <graham at g4fnl.co.uk>
> To: Elecraft Reflector <elecraft at mailman.qth.net>
> Sent: Saturday, March 7, 2015 5:27 AM
> Subject: [Elecraft] K3 voltage indicator
>
> Folks
>
> I suspect that may have been asked before, so forgive me if it has, but I
> need to know what the typical voltage readings are observed (on the K3
> voltage indicator) when
> a) On receive?
> b) With say 10w TX power?
> c)  With 100W TX power?
>
> Using a DMM, I can see that my 13.8volt linear PSU seems to drop 0.1volt
> when going from receive to the 100W TX level - yet the  display indicator on
> the K3 goes from 13.7v (receive) to 13.3v (10W) to 12.9v (100W) Is this
> typical?
>
> 73 Graham G4FNL
>
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