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Live chassis.

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colly0410

Senior Transmitter Engineer

Posts: 328
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Location: Hucknall notts.

#18

09-01-2018, 03:57 PM

(04-01-2018, 04:24 PM)ppppenguin Wrote: The half wave loading on the mains was slightly alleviated when diode droppers were introduced. If they used the -ve half cycle this helped. Otherwise they made things even worse.

Did the use of a diode dropper cause hum problems? I'm thinking the heaters would get a pulsed/chopped DC at 50/60 Hz. Would more/better smoothing be required?

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Messages In This Thread

Live chassis. - by colly0410 - 02-01-2018, 06:43 PM

RE: Live chassis. - by ppppenguin - 02-01-2018, 07:02 PM

RE: Live chassis. - by Jayceebee - 02-01-2018, 10:25 PM

RE: Live chassis. - by ppppenguin - 03-01-2018, 10:02 AM

RE: Live chassis. - by Terry - 03-01-2018, 10:22 AM

RE: Live chassis. - by Terry - 03-01-2018, 11:01 AM

RE: Live chassis. - by pwdrive - 03-01-2018, 10:43 AM

RE: Live chassis. - by Geordie McBoyne - 03-01-2018, 11:19 AM

RE: Live chassis. - by ppppenguin - 03-01-2018, 11:45 AM

RE: Live chassis. - by Geordie McBoyne - 03-01-2018, 12:25 PM

RE: Live chassis. - by Synchrodyne - 04-01-2018, 03:42 AM

RE: Live chassis. - by Kalee20 - 04-01-2018, 01:05 PM

RE: Live chassis. - by colly0410 - 04-01-2018, 02:16 PM

RE: Live chassis. - by Terry - 04-01-2018, 04:20 PM

RE: Live chassis. - by colly0410 - 02-06-2019, 12:49 PM

RE: Live chassis. - by Geordie McBoyne - 04-01-2018, 03:45 PM

RE: Live chassis. - by Synchrodyne - 11-01-2018, 02:58 AM

RE: Live chassis. - by ppppenguin - 04-01-2018, 04:24 PM

RE: Live chassis. - by colly0410 - 09-01-2018, 03:57 PM

RE: Live chassis. - by Murphyv310 - 04-01-2018, 07:16 PM

RE: Live chassis. - by Terry - 10-01-2018, 10:06 AM

RE: Live chassis. - by ppppenguin - 09-01-2018, 05:47 PM

RE: Live chassis. - by Synchrodyne - 11-01-2018, 02:40 AM

RE: Live chassis. - by ppppenguin - 02-06-2019, 01:05 PM

RE: Live chassis. - by Synchrodyne - 15-08-2019, 10:48 PM

RE: Live chassis. - by tv tony - 06-09-2019, 07:44 PM

RE: Live chassis. - by Refugee - 11-09-2019, 06:17 PM

RE: Live chassis. - by Mike Watterson - 11-09-2019, 07:10 PM

RE: Live chassis. - by Refugee - 11-09-2019, 09:04 PM

RE: Live chassis. - by Kalee20 - 11-09-2019, 09:20 PM

RE: Live chassis. - by dawson5 - 12-09-2019, 06:05 PM

RE: Live chassis. - by Terry - 13-09-2019, 10:21 AM

RE: Live chassis. - by colly0410 - 05-01-2025, 07:37 PM

RE: Live chassis. - by Mike Watterson - 05-01-2025, 09:02 PM

RE: Live chassis. - by Mark Hennessy - 06-01-2025, 06:02 PM

RE: Live chassis. - by Mike Watterson - 06-01-2025, 07:11 PM

RE: Live chassis. - by Murphyv310 - 05-01-2025, 08:01 PM

RE: Live chassis. - by Mike Watterson - 05-01-2025, 09:17 PM

RE: Live chassis. - by Murphyv310 - 06-01-2025, 04:01 PM

RE: Live chassis. - by Mike Watterson - 06-01-2025, 04:39 PM

RE: Live chassis. - by Mike Watterson - 06-01-2025, 04:42 PM

RE: Live chassis. - by Murphyv310 - 06-01-2025, 04:53 PM

RE: Live chassis. - by Mark Hennessy - 06-01-2025, 06:10 PM

RE: Live chassis. - by Mike Watterson - 06-01-2025, 06:57 PM

RE: Live chassis. - by Mike Watterson - 06-01-2025, 07:22 PM

RE: Live chassis. - by ppppenguin - 07-01-2025, 08:59 AM

RE: Live chassis. - by Mike Watterson - 07-01-2025, 09:34 AM

RE: Live chassis. - by Exiled Yorkshireman - 07-01-2025, 07:04 PM

RE: Live chassis. - by Exiled Yorkshireman - 07-01-2025, 07:47 PM

RE: Live chassis. - by Mike Watterson - 07-01-2025, 08:06 PM

RE: Live chassis. - by Mark Hennessy - 07-01-2025, 06:18 PM

RE: Live chassis. - by `FRANK.C - 07-01-2025, 06:58 PM

RE: Live chassis. - by Mike Watterson - 07-01-2025, 08:02 PM

RE: Live chassis. - by Mike Watterson - 07-01-2025, 08:40 PM

RE: Live chassis. - by ppppenguin - 10-01-2025, 09:57 AM

RE: Live chassis. - by Murphyv310 - 13-01-2025, 10:10 PM

RE: Live chassis. - by Mike Watterson - 13-01-2025, 10:51 PM

RE: Live chassis. - by Murphyv310 - 13-01-2025, 11:00 PM

RE: Live chassis. - by Mike Watterson - 13-01-2025, 11:16 PM

RE: Live chassis. - by Murphyv310 - 13-01-2025, 11:32 PM

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