Philco TPA-1

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Philco TPA-1

PhilcoFordTesla
Junior Member

Posts: 49
Threads: 3
Joined: Oct 2019
City: Shingle Springs State, Province, Country: CA

#68

11-14-2019, 11:59 AM

it's for spike suppression, in series with a 10 ohm resistor across the motor, found the schematic of the whole unit, probably more effective with a silicon diode or even a germanium maybe with lower forward voltage drop- not sure what Vf is with a selenium?

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Messages In This Thread

Philco TPA-1 - by tim1 - 01-16-2014, 01:25 PM

RE: Philco TPA-1 - by morzh - 01-16-2014, 02:29 PM

RE: Philco TPA-1 - by tim1 - 01-16-2014, 02:53 PM

RE: Philco TPA-1 - by morzh - 01-16-2014, 03:14 PM

RE: Philco TPA-1 - by tim1 - 01-16-2014, 03:16 PM

RE: Philco TPA-1 - by morzh - 01-16-2014, 03:22 PM

RE: Philco TPA-1 - by morzh - 01-16-2014, 03:41 PM

RE: Philco TPA-1 - by tim1 - 01-16-2014, 04:57 PM

RE: Philco TPA-1 - by morzh - 01-16-2014, 05:07 PM

RE: Philco TPA-1 - by Ron Ramirez - 01-16-2014, 05:16 PM

RE: Philco TPA-1 - by TV MAN - 01-17-2014, 12:57 PM

RE: Philco TPA-1 - by morzh - 01-17-2014, 01:00 PM

RE: Philco TPA-1 - by tim1 - 01-17-2014, 07:42 PM

RE: Philco TPA-1 - by morzh - 01-17-2014, 08:25 PM

RE: Philco TPA-1 - by tim1 - 01-17-2014, 08:29 PM

RE: Philco TPA-1 - by morzh - 01-17-2014, 08:31 PM

RE: Philco TPA-1 - by TV MAN - 01-17-2014, 10:13 PM

RE: Philco TPA-1 - by tim1 - 01-17-2014, 11:11 PM

RE: Philco TPA-1 - by morzh - 01-17-2014, 11:19 PM

RE: Philco TPA-1 - by tim1 - 01-17-2014, 11:40 PM

RE: Philco TPA-1 - by morzh - 01-17-2014, 11:45 PM

RE: Philco TPA-1 - by tim1 - 01-18-2014, 12:06 AM

RE: Philco TPA-1 - by morzh - 01-18-2014, 12:10 AM

RE: Philco TPA-1 - by tim1 - 01-18-2014, 07:54 PM

RE: Philco TPA-1 - by morzh - 01-18-2014, 08:09 PM

RE: Philco TPA-1 - by morzh - 01-18-2014, 08:14 PM

RE: Philco TPA-1 - by tim1 - 01-18-2014, 08:37 PM

RE: Philco TPA-1 - by morzh - 01-18-2014, 09:15 PM

RE: Philco TPA-1 - by tim1 - 01-19-2014, 07:22 AM

RE: Philco TPA-1 - by morzh - 01-19-2014, 02:37 PM

RE: Philco TPA-1 - by tim1 - 01-19-2014, 08:03 PM

RE: Philco TPA-1 - by morzh - 01-19-2014, 09:56 PM

RE: Philco TPA-1 - by tim1 - 01-19-2014, 10:15 PM

RE: Philco TPA-1 - by morzh - 01-19-2014, 11:54 PM

RE: Philco TPA-1 - by tim1 - 01-20-2014, 03:08 PM

RE: Philco TPA-1 - by morzh - 01-20-2014, 03:23 PM

RE: Philco TPA-1 - by tim1 - 01-20-2014, 07:21 PM

RE: Philco TPA-1 - by morzh - 01-20-2014, 10:21 PM

RE: Philco TPA-1 - by morzh - 01-23-2014, 04:01 PM

RE: Philco TPA-1 - by tim1 - 01-23-2014, 06:03 PM

RE: Philco TPA-1 - by morzh - 01-23-2014, 06:59 PM

RE: Philco TPA-1 - by tim1 - 01-26-2014, 08:39 PM

RE: Philco TPA-1 - by tim1 - 02-03-2014, 11:39 AM

RE: Philco TPA-1 - by morzh - 02-03-2014, 11:48 AM

RE: Philco TPA-1 - by tim1 - 02-03-2014, 03:04 PM

RE: Philco TPA-1 - by morzh - 02-03-2014, 03:26 PM

RE: Philco TPA-1 - by tim1 - 02-04-2014, 06:41 AM

RE: Philco TPA-1 - by morzh - 02-04-2014, 10:42 AM

RE: Philco TPA-1 - by morzh - 02-08-2014, 09:25 PM

RE: Philco TPA-1 - by morzh - 02-09-2014, 09:08 PM

RE: Philco TPA-1 - by morzh - 02-09-2014, 11:21 PM

RE: Philco TPA-1 - by Ron Ramirez - 02-10-2014, 06:32 AM

RE: Philco TPA-1 - by morzh - 02-10-2014, 09:51 AM

RE: Philco TPA-1 - by morzh - 02-17-2014, 06:52 PM

RE: Philco TPA-1 - by tim1 - 02-21-2014, 12:24 AM

RE: Philco TPA-1 - by morzh - 02-21-2014, 10:26 AM

RE: Philco TPA-1 - by tim1 - 02-21-2014, 02:25 PM

RE: Philco TPA-1 - by morzh - 02-21-2014, 02:30 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 10-16-2019, 10:38 PM

RE: Philco TPA-1 - by morzh - 10-16-2019, 10:46 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 10-26-2019, 03:25 AM

RE: Philco TPA-1 - by morzh - 10-26-2019, 05:40 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 10-26-2019, 06:20 PM

RE: Philco TPA-1 - by morzh - 10-26-2019, 07:07 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 10-26-2019, 07:48 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-13-2019, 11:40 PM

RE: Philco TPA-1 - by morzh - 11-14-2019, 10:30 AM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-14-2019, 11:59 AM

RE: Philco TPA-1 - by morzh - 11-14-2019, 12:43 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-14-2019, 11:59 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-15-2019, 12:20 AM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-15-2019, 01:23 AM

RE: Philco TPA-1 - by morzh - 11-15-2019, 11:49 AM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-15-2019, 05:56 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-15-2019, 08:04 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-15-2019, 09:03 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-16-2019, 12:43 AM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-16-2019, 01:21 AM

RE: Philco TPA-1 - by Jake Blake - 11-16-2019, 02:11 AM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-16-2019, 02:15 AM

RE: Philco TPA-1 - by PhilcoFordTesla - 11-16-2019, 08:32 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 06-16-2024, 11:03 PM

RE: Philco TPA-1 - by morzh - 06-17-2024, 09:02 PM

RE: Philco TPA-1 - by PhilcoFordTesla - 06-17-2024, 11:47 PM

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