Peaberry v1 SDR Image rejection problem

General discussion and support for the Peaberry SDR V1.

Peaberry v1 SDR Image rejection problem

Postby 2E1CLS » Wed Apr 22, 2015 8:41 am

Hi, I have the V1 rev A peaberry and I am struggling to get any image reduction using the raw and Fine sliders in HDSDR, I am using the USB cable only and the onboard soundcard, I know I can use an external soundcard with the V1 but when I add a cable from Line out in the Peaberry to Mic in the PC I get no receive via my PC soundcard so I can't test whether I will get a good image reduction that way!

I get good receive with the Peaberry using the onboard soundcard but just a complete mirror image and I think I get the same problem in transmit (no working sliders) so tx is out the question.

Any ideas?

Regards Carl.
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Joined: Tue Apr 14, 2015 10:23 pm

Re: Peaberry v1 SDR Image rejection problem

Postby AE9RB » Wed Apr 22, 2015 3:48 pm

Failure to balance out the image is because one of the two channels carrying I/Q data isn't functioning.

The V1 can not be used by plugging it into a sound card.
73 David AE9RB
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Location: Portland, Oregon, USA (CN85ql)

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