[Elecraft] Question on filters/ possible problem

[John Harper]

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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