[hpsdr] RF Sampler

[Helmut, DC6NY]

Dan and all,

 

Steve, G1YLB, organized a PCB and even kit group buy, but I guess he closed
the list meanwhile ( stevej.doyle at btinternet.com )

If anybody in the US will do the same, please go ahead, but I'd rework  PCB
or rather the Gerber-file. As homebrewer I only used a printed film mask to
build the PCB and wires instead of galvanized through holes, hi.

 

Concerning the location of the sampler, I'd suggest a place beyond all
connections, relays, switching gear directly in the 50 ohms feedline to the
antenna or ATU. Please bear in mind that even this stuff can generate
passive intermodulation (PIM)and should be included in the correction path.

 

73, Helmut, DC6NY 

 

 

 

Von: Dan Mitchell [mailto:danmitchell at embarqmail.com] 
Gesendet: Mittwoch, 12. Februar 2014 21:09
An: dc6ny at gmx.de
Cc: george byrkit; Jeremy McDermond
Betreff: RF Sampler

 

Helmut;

 

Your RF Sampler for Pre-Distortion Feedback looks like a perfect solution
for the new PureSignal feature of PowerSDR.

 

Many of us lack the resources to make the board, however.

 

I was wondering if anyone has approached TAPR to provide this accessory as a
kit? I know I would buy one.

 

73,

Dan, W0IQ

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