I too, have questions on this same subject about the wiring between the 49-er and PCB board.? I assembled my?PCB board with the connecting pins for J2 and J3, exactly as pictured in the "QST in Depth - Purdum", pages 21 and 22.??The JPG photo that is shown in the previous post here, doesn't make that clear enough to me.? I know that if I am not exactly correct with my wiring, I will have all kinds of trouble!? To further simplify this, I would like to see a very detailed description of all wiring.? This may seem as a easy task for some of the builders here, but I want this build for me to be successful , right from the start!?
Also, in lacking a oscilloscope, is using a HF probe ok to set R1 to the required 4 ~ 4V?? And, can my MFJ-269 analyzer, help me to?confirm, that the AD9850 is at 7?MHz????Thanks guys,? de Karl, KO8S
On Thursday, July 14, 2016 9:22 AM, "bobarr@... [SoftwareControlledHamRadio]" <SoftwareControlledHamRadio@...> wrote:
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Does the display change when you turn the encoder dial? When you PUSH the button does the display change?
If not, it's just a simple hookup error of the encoder leads. (I made it too). Look carefully, experiment.
Don't get discouraged, it's a fun project!
Remember if you have too much broadcast interference at night you will need a BANDPASS filter.
I'm working on mine now.
73 Bo W4GHV since 54
