[Elecraft] SDR-IF and I/Q questions

[Don Wilhelm]

Dick,

If there are no images with Rocky or WinRad, but you do get them with 
another application, I would suspect the application settings.

73,
Don W3FPR

On 11/11/2011 1:27 PM, Richard Fjeld wrote:
>
> Here is where I have been at for awhile.  I have tested the output on the I/Q leads with a O-scope and they are certainly close.  Rocky verifies that, and shows them within a dB.  WinRad shows 90 degree phase, (and no mirror images).
>
> Neither my soundcard, nor my SoftRock have adjustments for balancing the I/Q leads further. It would be nice if the Audio Mixer Software did this. I wonder if some do?
>
> So having a soundcard that provides for balance may be the focal point for the solution to this problem. (Provided that ground loops do not exist.)
>