No audio on headphones

w9mdb
Posts: 36
Joined: Sun Apr 09, 2017 5:53 pm

No audio on headphones

Postby w9mdb » Thu Jan 11, 2018 11:38 pm

All of a sudden I started getting really lousy signals on WSJT-X with my ANAN 100. Fat signals and unable to decode.
I now find there is also no audio coming out the headphones...so though that might be related.

Putting a known signal on the antenna shows clean on the scope but is far too wide on the WSJT-X display.

Any ideas? I've reset the PowerSDR database, reloaded the firmware, and still no joy.

de Mike W9MDB
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w-u-2-o
Posts: 965
Joined: Fri Mar 10, 2017 1:47 pm

Re: No audio on headphones

Postby w-u-2-o » Fri Jan 12, 2018 2:36 am

Going to need more data. Maybe some screen shots.
w9mdb
Posts: 36
Joined: Sun Apr 09, 2017 5:53 pm

Re: No audio on headphones

Postby w9mdb » Fri Jan 12, 2018 4:50 am

Headphones working OK....helps when you use the right plug....


Using an XG3 -73dBm 50uV signal into my TenTec Omni VII get this
Image

Same signal into ANAN 100 looks good in the scope
Image
But not in WSJT-X
Image

de Mike W9MDB
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w-u-2-o
Posts: 965
Joined: Fri Mar 10, 2017 1:47 pm

Re: No audio on headphones

Postby w-u-2-o » Fri Jan 12, 2018 2:03 pm

You probably have a sample rate mismatch somewhere. Take a look the VAC tutorial.

Also, be sure you are using DIGU and not USB. This removes all receive audio processing automatically.

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