[Elecraft] K3 possible new option

WILLIS COOKE wrcooke at yahoo.com
Tue Aug 20 13:28:14 EDT 2013


You can have different filters in the two receivers if you prefer, but it will harm your ability to use the two receivers for split operation or antenna diversity receive which I think are the most important usages.  But if weak signal reception or DX is not your goal, you may use different filters to achieve your goal, what ever it is.  Operators who are not really attune to operation with both crystal filtering and digital filtering may not realize that you can get most of what you can get from a narrow crystal filter from the digital filter.  What you cannot get is filtering of very strong  signals in the crystal filter pass band with the digital filtering, but you can filter two signals of about the same strength within several S units.  I think the K3 dual receiver setup with identical crystal filtering is the strongest configuration for most operators and certainly for me.  Brian may have different criteria and may benefit from mixing
 filters.  He is free to try it and find the configuration that is best for him even if neither Elecraft or I recommend it.  I can't see that it will cost anything except Brian's money and Brian's time.  If Brian doesn't like what he finds, he can go back to the recommended similar configuration of the filtering in the two receivers.
 
Willis 'Cookie' Cooke 
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart


________________________________
 From: David Gilbert <xdavid at cis-broadband.com>
To: elecraft at mailman.qth.net 
Sent: Tuesday, August 20, 2013 11:48 AM
Subject: Re: [Elecraft] K3 possible new option
 


I don't understand.  What is it that you think you own?

73,
Dave  AB7E



On 8/20/2013 8:16 AM, Brian Alsop wrote:
> I was hoping that we would truly have a two RX K3-- each with its own set of bandpass filters when configured as independent.
> 
> Perhaps the space where the general coverage filters are now could be utilized for a second set of filters for the sub receiver.
> 
> If I want general coverage, I'll get a general coverage RX.
> 
> 73 de Brian/K3KO
> 

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