Comments (7)
orrinwinton
commented on July 16, 2024
Same question here. I am able to use testfm.sh okay, but testam.sh and testssb.sh give muffled or distorted audio on my receiver set to AM or USB.
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kensukekita
commented on July 16, 2024
Yeah same here :'(
El 02-12-2016 3:42 p. m., "orrinwinton" <[email protected]> escribió:
… Same question here. I am able to use testfm.sh okay, but testam.sh and
testssb.sh give muffled or distorted audio on my receiver set to AM or USB.
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wodowiesel
commented on July 16, 2024
dito here! and how is it with (pmr) ctcss-tones/sub-channels?
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hirve
commented on July 16, 2024
Why the modulation in AM mode is so high?
But when I use the wav file with reduced volume, the sound is distorted. When I use the wav file with very low volume, I get silence. Sounds like there is a some threshold. DC shift made by modification piam.c file allows to get the carrier but can't eliminate distorsion.
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eliasrm87
commented on July 16, 2024
Hi,
First of all, thank you @F5OEO for sharing your work.
I'm using the AM modulator for testing/repairing a 1945 valve radio. I'm able to tune the signal (1000 Khz) but I'm getting a lot of distortion and I'm not sure if it is related with the radio or the way the AM signal is been generated. Could you help me?
Regards
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orrinwinton
commented on July 16, 2024
Elías, the only mode i have been able to get success with, is FM. AM and
SSB i get distortion.
Orrin wn1z
NE Calif
…On Aug 5, 2017 17:53, "Elías Rodríguez Martín" ***@***.***> wrote:
Hi,
First of all, thank you @F5OEO <https://github.com/f5oeo> for sharing
your work.
I'm using the AM modulator for testing/repairing a 1945 valve radio. I'm
able to tune the signal (1000 Khz) but I'm getting a lot of distortion and
I'm not sure if it is related with the radio or the way the AM signal is
been generated. Could you help me?
Regards
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eliasrm87
commented on July 16, 2024
Thank you for your feedback @orrinwinton.
Lets see if I have time to take a look to the code, I'll let you know if I find something.
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