[Elecraft] K3 Filter Gain question.

[John Ronan]

Thanks Bill,

On 9 Aug 2009, at 13:10, Bill W4ZV wrote:
>
> Regarding gain, although the actual insertion loss for 500 Hz  
> filters is
> more than 1-2 dB, but I would follow Elecraft's recommendation.  I
> previously set mine to the actual loss (5-6 dB) but have since  
> backed off to
> 0 dB after reading some comments by Lyle and Wayne (which cautioned  
> about
> other problems induced by gain being too high).
>
Yeah, that was the post I recevied.

> Regarding the warbling sound you're hearing in diversity, it's  
> because your
> filters are set to different offsets.  In your case you should set  
> both 500s
> to -0.74 and both 2.7ks to the same (either -0.76 or -0.77).


Ok, I assume though that this will make the (moved) filters slightly  
asymmetric then in the passband.  Also I found this post from Wayne  
that says it's ok :)
http://www.mail-archive.com/elecraft@mailman.qth.net/msg71951.html

Thanks
John