[Elecraft] [K3] in-band-IMD test

[Joe Subich, W4TV]

> Hmmm -  improvements to the front panel power supply?

According to the documentation, the RF choke is being replaced by 
another with significantly less resistance.  This results in less 
voltage drop on signal (audio peaks) and will obviously result in 
less IMD (due to current starvation in the audio circuits).
  


> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net 
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Bob Cunnings
> Sent: Thursday, November 13, 2008 1:07 PM
> To: Elecraft at mailman.qth.net
> Subject: Re: [Elecraft] [K3] in-band-IMD test
> 
> 
> Hmmm -  improvements to the front panel power supply?
> 
> Bob NW8L
> 
> On Thu, Nov 13, 2008 at 8:39 AM, Joe Subich, W4TV 
> <lists at microham-usa.com> wrote:
> >
> > Have these tests been made AFTER the AF board modification? 
> > Improvements to the power supply to the front panel can have a 
> > significant effect on this issue.
> >
> >
> >> -----Original Message-----
> >> From: elecraft-bounces at mailman.qth.net 
> >> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of JOHN
> >> Sent: Thursday, November 13, 2008 10:01 AM
> >> To: Elecraft at mailman.qth.net
> >> Subject: Re: [Elecraft] [K3] in-band-IMD test
> >>
> >>
> >> Hello,
> >>
> >> Good job Alex!!! I was pointing out weak in the Channel IMD 
> >> characteristics of K3 for long time!!!
> >>
> >> 73!
> >> John,SP2GGZ,N2KFC,YB1AQV,
> >>
> >
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