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Kulp K32 A-B and FM Transmiter

Started by jhthornt, August 30, 2024, 10:42:23 AM

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jhthornt

I'm receiving nothing on FM out of the transmitter that installs on Kulp Controllers.  This is what I've found in logs.. Is this good or bad?

Aug 30 09:55:42 FPP fpp_boot[799]: FPP - Configuring Audio: 1
Aug 30 09:55:44 FPP fpp_boot[799]: Found card type: davinci-mcasp.0-pcm5102a-hifi
Aug 30 09:55:44 FPP fpp_boot[799]: Using Cape Provided asoundrc
Aug 30 09:55:44 FPP fpp_boot[799]: Setting /root/.asoundrc to use card id 0
Aug 30 09:55:45 FPP kernel: [  56.032039] davinci-mcasp 48038000.mcasp: Sample-rate is off by 400 PPM

Aug 30 09:56:14 FPP systemd[1]: alsa-state.service - Manage Sound Card State (restore and store) was skipped because of an unmet condition check (ConditionPathExists=/etc/alsa/state-daemon.conf).
Aug 30 09:56:14 FPP systemd[1]: Starting alsa-restore.service - Save/Restore Sound Card State...
Aug 30 09:56:14 FPP systemd[1]: Finished alsa-restore.service - Save/Restore Sound Card State.
Aug 30 09:56:14 FPP systemd[1]: systemd-update-utmp-runlevel.service: Deactivated successfully.
Aug 30 09:56:14 FPP systemd[1]: Finished systemd-update-utmp-runlevel.service - Record Runlevel Change in UTMP.
Aug 30 09:56:14 FPP systemd[1]: Reached target sound.target - Sound Card.

Thanks

dkulp

Have you installed the VAST plugin and configured the frequency and antenna capacitor?
Daniel Kulp - https://kulplights.com

jhthornt

#2
Yes Sir.]I connected an antenna 25.5 inches long.   FPP is configured to connect via I2C, the reset GPIO is P9-22 (GPIO:2), its set to start with FPPD, and never stop.  The volume hack is not enabled. Im using FM 100.1 MHz and an expensive in it's time Onkio receiver . Power is set to 115 dBuV. Preemphasis is 75us.  Tuning cap is set to 65.  Audio limiter is enabled as is compression (-15 db).  Audio gain is 5.  RDS is disabled.[/color]

jhthornt

It was a defective transmitter card.  I bought another and it works.  Thanks again

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