[Elecraft] Question on filters/ possible problem

[Brett Howard]

The 2.8 and 400 are both 8-pole filters so no offset should be needed
for them...

~Brett

On Mon, 2010-03-08 at 21:46 -0600, John Harper wrote:
> Thanks to all who replied - brain fart here. I dialed the offset into the 
> 400 Hz filter instead of the 2.8...
> 
> All is well now!
> 
> John Harper AE5X
> 
> 
> 
> 
> ----- Original Message ----- 
> From: "Brett Howard" <brett at livecomputers.com>
> To: "John Harper" <john at ae5x.com>
> Cc: <elecraft at mailman.qth.net>
> Sent: Monday, March 08, 2010 8:18 PM
> Subject: Re: [Elecraft] Question on filters/ possible problem
> 
> 
> > Are you sure you've got the 400Hz filter in the slot that you told the
> > radio you put it into?  If you've only double checked check two more
> > times! ;)
> >
> > ~Brett
> >
> > On Mon, 2010-03-08 at 20:10 -0600, John Harper wrote:
> >> I just finished my K3, at least to the point of doing the pre 100W PA 
> >> alignments: Synth cal, filter set-up, ref osc & tx gain cals are all 
> >> done.
> >>
> >> I did the filter set-up via the K3 menu, then verified with the K3 
> >> utility program. I have the standard 2.8 kHz and the 8-pole 400 Hz 
> >> filters.
> >>
> >> The problem I have is when adjusting the bandwidth to the point where the 
> >> 400 Hz filter comes in - as soon as that happens, the receiver seems to 
> >> go dead. Whoever I was listening to disappears and background noise goes 
> >> waaay down...almost silent. I've dialed in both 1 and 8 dB gain for the 
> >> 400 Hz filter but niether has any effect.
> >>
> >> Any suggestions? Thanks,
> >>
> >> John Harper AE5X
> >>
> >>
> >>
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> 
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