[Elecraft] Softrock as K3 Panadaptor: Buffer Amp Needed?

[Don Wilhelm]

Alan,

The Softrock receiver will work just fine with or without  buffer amplifier.
It will be the K3 that will suffer because there will be a strong signal 
injected into the 8 MHz IF (from the softrock local oscillator) which 
can activate the AGC and otherwise degrade the K3 receive characteristics.

What that means is that you can try it out without the buffer amplifier, 
but I would not leave it permanently connected without the amplifier.  
There is also a gain consideration for the buffer amp to increase the K3 
IF output level.

73,
Don W3FPR

ALAN GARD wrote:
> Hi
>  
> I've seen differing views on the need to use a buffer amp. in this 
> application.  Has anyone out there used Softrock successfully without 
> it?  Did you have to take any special precautions to make it work 
> properly?  I'm intending to use a 32.768 MHz /4 crystal.
>  
> Thanks in advance for any replies.
>  
> 73 de Alan G4LWA (K3 # 1805)
>
>