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Re: tuning below & above the center frequency


 

Hi,

It is difficult to say in absolute terms but If you receive an USB station, for example Hams in 20 M band, and you get it right this is the good configuration for your radio. If you receive it inverted (and the spectrum is also inverted) you must swap the cables. Anyway most SDR software has provisions to invert this so you don't need to exchange the connections.

Regards,

Ignacio EB4APL

El 30/01/2022 a las 17:25, al2ok escribió:
It is FIXED !!!

Turns out what EB4APL (and a afew others said) said about missing either an I or Q signal was correct . . . it was not the plug going into the Ensemble nor the Ensemble's jack. Like I said I use that SEWELL box to go from "regular audio cable " to USB into my PC.
Well one of those plugs was bad going into the SEWELL, ( the SEWELL accepts R & L Individually so I had to make a "Y" from the Ensemble ) replaced that bad plug and it works now, no more mirroring image above the LO, instead it is tuning above & below the LO perfect, tuning all frequencies.

By the way. . . in old terms . . . you got left & right channel, what channel is the I on and what channel is the Q on ? I believe you can make this anyway you want but normally what channels is I & Q on ???

again Thanks to all.

Al

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