Rf filter audio recorder (Techniek Radio/TV)
door Ron Kremer 
, Groningen, 02.02.2020, 12:50 (1762 dagen geleden) @ humfred
Door de niet lineare curves van halfgeleiders of buizen ontstaat, al dan niet ongewild, AM detectie. Detectie van een FM zender is eigenlijk niet mogelijk.
Nou, dat kan wel met een flankdetector. Als je de audioapparatuur als hoog-af filter ziet dan wordt het FM signaal op de flank van dat filter gedetecteerd. De varierende frequentie van het FM-signaal resulteert dan in een (meestal niet-linear) evenredige AM-component. De audio-apparatuur zit daarnaast 'vol' met diodeovergangen die AM kunnen detecteren en zie: het probleem is geboren!
Het is uitzonderlijk maar niet onmogelijk; vergeet niet dat TS duidelijk met een hoge veldsterkte van Zoetermeer FM geconfronteerd wordt.
Vr. groet, Ron
Berichten in deze thread:
- Rf filter audio recorder -
brnrds,
02.02.2020, 09:53
![[*]](themes/default/images/complete_thread.png "Open hele thread")
- Rf filter audio recorder -
kris,
02.02.2020, 10:10
- Rf filter audio recorder -
brnrds,
02.02.2020, 10:22
- Rf filter audio recorder -
kris,
02.02.2020, 11:01
- Rf filter audio recorder -
brnrds,
02.02.2020, 11:13
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 11:34
- Rf filter audio recorder -
brnrds,
02.02.2020, 11:47
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 12:11
- Rf filter audio recorder - brnrds, 02.02.2020, 14:31
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 12:11
- Rf filter audio recorder -
brnrds,
02.02.2020, 11:47
- Rf filter audio recorder -
Maarten Bakker,
02.02.2020, 17:23
- Rf filter audio recorder -
brnrds,
02.02.2020, 17:55
- Rf filter audio recorder -
Maarten Bakker,
03.02.2020, 00:30
- Rf filter audio recorder -
brnrds,
03.02.2020, 09:29
- Rf filter audio recorder -
kris,
03.02.2020, 10:31
- Rf filter audio recorder - brnrds, 03.02.2020, 10:39
- Rf filter audio recorder -
kris,
03.02.2020, 10:31
- Rf filter audio recorder - brnrds, 03.02.2020, 09:41
- Rf filter audio recorder - brnrds, 16.02.2020, 12:07
- Rf filter audio recorder -
brnrds,
03.02.2020, 09:29
- Rf filter audio recorder -
Maarten Bakker,
03.02.2020, 00:30
- Rf filter audio recorder -
brnrds,
02.02.2020, 17:55
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 11:34
- Rf filter audio recorder -
brnrds,
02.02.2020, 11:13
- Rf filter audio recorder -
kris,
02.02.2020, 11:01
- Rf filter audio recorder -
brnrds,
02.02.2020, 10:22
- Rf filter audio recorder -
Maurice,
02.02.2020, 10:38
- Rf filter audio recorder - brnrds, 02.02.2020, 10:58
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 11:17
- Rf filter audio recorder - brnrds, 02.02.2020, 11:33
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 11:57
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:03
- Rf filter audio recorder -
Bapaktua,
02.02.2020, 12:31
- Rf filter audio recorder -
brnrds,
02.02.2020, 14:44
- Rf filter audio recorder -
kris,
02.02.2020, 17:50
- Rf filter audio recorder - brnrds, 02.02.2020, 17:56
- Rf filter audio recorder -
kris,
02.02.2020, 17:50
- Rf filter audio recorder -
brnrds,
02.02.2020, 14:44
- Rf filter audio recorder -
Bapaktua,
02.02.2020, 12:31
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:03
- Rf filter audio recorder - Forumbeheer, 02.02.2020, 12:10
- Rf filter audio recorder -
humfred,
02.02.2020, 12:16
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 12:24
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:33
- Rf filter audio recorder -
soundman2,
02.02.2020, 13:26
- Rf filter audio recorder - ruudtx, 02.02.2020, 22:27
- Rf filter audio recorder -
ruudtx,
02.02.2020, 22:33
- Rf filter audio recorder -
brnrds,
03.02.2020, 09:35
- Rf filter audio recorder - ruudtx, 03.02.2020, 18:47
- Rf filter audio recorder -
brnrds,
03.02.2020, 09:35
- Rf filter audio recorder -
soundman2,
02.02.2020, 13:26
- Rf filter audio recorder -
humfred,
02.02.2020, 12:35
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:41
- Rf filter audio recorder -
humfred,
02.02.2020, 12:51
- Rf filter audio recorder -
brnrds,
02.02.2020, 13:15
- Rf filter audio recorder -
humfred,
02.02.2020, 14:12
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 14:25
- Rf filter audio recorder -
ruudtx,
02.02.2020, 22:35
- Rf filter audio recorder - brnrds, 03.02.2020, 09:39
- Rf filter audio recorder -
ruudtx,
02.02.2020, 22:35
- Rf filter audio recorder - brnrds, 02.02.2020, 14:27
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 14:25
- Rf filter audio recorder -
humfred,
02.02.2020, 14:12
- Rf filter audio recorder -
ruudtx,
02.02.2020, 22:29
- Rf filter audio recorder -
brnrds,
03.02.2020, 09:34
- Rf filter audio recorder - ruudtx, 03.02.2020, 18:49
- Rf filter audio recorder -
brnrds,
03.02.2020, 09:34
- Rf filter audio recorder -
brnrds,
02.02.2020, 13:15
- Rf filter audio recorder -
humfred,
02.02.2020, 12:51
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 12:50
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:58
- Rf filter audio recorder - Ron Kremer, 02.02.2020, 13:34
- Rf filter audio recorder - humfred, 02.02.2020, 13:03
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 13:33
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 13:49
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 14:14
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 14:30
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 14:56
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 15:31
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 18:05
- Rf filter audio recorder -
brnrds,
02.02.2020, 18:16
- Rf filter audio recorder - MarcelvdG, 02.02.2020, 18:21
- Rf filter audio recorder -
brnrds,
02.02.2020, 18:16
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 18:05
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 15:31
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 14:56
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 14:30
- Rf filter audio recorder -
MarcelvdG,
02.02.2020, 14:14
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 13:49
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:58
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:41
- Rf filter audio recorder -
ruudtx,
02.02.2020, 22:26
- Rf filter audio recorder - brnrds, 03.02.2020, 09:33
- Rf filter audio recorder -
brnrds,
02.02.2020, 12:33
- Rf filter audio recorder - brnrds, 02.02.2020, 12:38
- Rf filter audio recorder -
Ron Kremer,
02.02.2020, 12:24
- Rf filter audio recorder -
soundman2,
02.02.2020, 13:18
- Rf filter audio recorder -
brnrds,
02.02.2020, 14:38
- Rf filter audio recorder -
soundman2,
02.02.2020, 19:14
- Rf filter audio recorder - brnrds, 02.02.2020, 19:29
- Rf filter audio recorder -
soundman2,
02.02.2020, 19:27
- Rf filter audio recorder -
brnrds,
02.02.2020, 19:37
- Rf filter audio recorder -
soundman2,
03.02.2020, 11:44
- Rf filter audio recorder -
brnrds,
03.02.2020, 11:59
- Rf filter audio recorder -
brnrds,
03.02.2020, 19:10
- Rf filter audio recorder -
Maarten Bakker,
03.02.2020, 20:16
- Rf filter audio recorder - brnrds, 04.02.2020, 10:02
- Rf filter audio recorder -
Ron Kremer,
03.02.2020, 22:19
- Rf filter audio recorder -
brnrds,
04.02.2020, 10:05
- Rf filter audio recorder - Ron Kremer, 04.02.2020, 10:34
- Rf filter audio recorder -
brnrds,
05.02.2020, 11:15
- Rf filter audio recorder - brnrds, 05.02.2020, 16:27
- Rf filter audio recorder -
brnrds,
04.02.2020, 10:05
- Rf filter audio recorder -
Maarten Bakker,
03.02.2020, 20:16
- Rf filter audio recorder -
brnrds,
03.02.2020, 19:10
- Rf filter audio recorder -
brnrds,
03.02.2020, 11:59
- Rf filter audio recorder -
soundman2,
03.02.2020, 11:44
- Rf filter audio recorder -
brnrds,
02.02.2020, 19:37
- Rf filter audio recorder -
soundman2,
02.02.2020, 19:14
- Rf filter audio recorder -
brnrds,
02.02.2020, 14:38
- Rf filter audio recorder -
Andries van Dekken.,
04.02.2020, 07:32
- Rf filter audio recorder - brnrds, 04.02.2020, 09:45
- Rf filter audio recorder -
kris,
02.02.2020, 10:10