[Elecraft] K3: DRM listening?

[Jim Brown]

On Fri, 11 Dec 2009 13:07:31 -0800, Lyle Johnson wrote:

>In general, DRM decoders expect a receiver IF of 12 kHz and a bandwidth 
>of up to 20 kHz.  The K3 can provide neither without modification.

I'm confused. What "20 kHz bandwidth" are we talking about? The output of the 
detector?  Are you saying that the IF in a DRM-compatible RX has a center 
frequency of 12kHz, and that the detector has to look at that 12 kHz IF?   

>Some DRM modes are narrower and can be accommodated if the FM roofing 
>filter (nominal 13 kHz) is installed.  But getting the IF output to the 
>DRM decoder still requires modifications to the K3.

Like what?

73,

Jim K9YC