[Elecraft] IF output (was K3, was SWL Receiver)

George, W5YR [email protected]
Sun Sep 8 18:33:02 2002


Perhaps ERic or Wayne can enlighten us and/or provide some guidance as to
the best way to extract an i-f signal for external purposes.

73/72, George    
Fairview, TX 30 mi NE of Dallas in Collin county EM13qe   
Amateur Radio W5YR -  the Yellow Rose of Texas
In the 57th year and it just keeps getting better!


Sverre Holm - LA3ZA wrote:
> 
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On Behalf Of George, W5YR
> > Sent: 8. september 2002 19:17
> >
> > consider bringing out from the K2 the 4.915 MHz
> > IF signal from a point before the crystal filter. This should
> > be done through an isolation stage to preclude external
> > loading effects and altering with the source impedance for the filter.
> >
> I just had a look at the K2 block diagram in the K2 Power Point set in
> preparation for a local presentation of the K2 in Oslo. In the block
> diagram there seems to be an IF output, although it is no longer in the
> block diagram on the web site
> (http://www.elecraft.com/manual/Appendix_C_blk.PDF ). The output was
> shown right after the noise blanker and before the T/R switch and
> crystal filter
> 
> It would be interesting to hear if there was previously a plan to bring
> the IF out. It could be used for a PC-based spectrum display, FM
> demodulation etc.