1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration

Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Tuned radio hum
morzh
Odobenus rosmarus
******
Posts: 16,192
Threads: 562
Joined: Oct 2011
City: Jackson State, Province, Country: NJ
#11

01-16-2014, 02:26 PM
Greg

This is a different issue. You have interference emitted by a load. I have something else - my wiring becoming a part of a receiving contour and then 60Hz modulating the received signal.
And in fact when I turn a particular load (which is a CCFL and not incandescent) - the hum disappears. It is without any load that it is heard, only when tuned in.
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Tuned radio hum - by morzh - 01-08-2014, 03:11 PM
RE: Tuned radio hum - by BrendaAnnD - 01-08-2014, 03:30 PM
RE: Tuned radio hum - by morzh - 01-08-2014, 03:38 PM
RE: Tuned radio hum - by LASJayhawk - 01-08-2014, 05:16 PM
RE: Tuned radio hum - by Chuck Schwark - 01-08-2014, 05:39 PM
RE: Tuned radio hum - by morzh - 01-08-2014, 05:53 PM
RE: Tuned radio hum - by BrendaAnnD - 01-08-2014, 09:23 PM
RE: Tuned radio hum - by morzh - 01-09-2014, 12:09 PM
RE: Tuned radio hum - by TA Forbes - 01-11-2014, 11:49 AM
RE: Tuned radio hum - by gregb - 01-16-2014, 02:11 PM
RE: Tuned radio hum - by morzh - 01-16-2014, 02:26 PM
RE: Tuned radio hum - by gregb - 01-16-2014, 05:12 PM
RE: Tuned radio hum - by morzh - 01-16-2014, 05:33 PM
RE: Tuned radio hum - by gregb - 01-16-2014, 06:05 PM
RE: Tuned radio hum - by David - 01-16-2014, 07:07 PM
RE: Tuned radio hum - by morzh - 01-16-2014, 08:59 PM
RE: Tuned radio hum - by David - 01-16-2014, 09:13 PM



Users browsing this thread: 4 Guest(s)
[-]
Recent Posts
6TPZ and 5TPO Radio Help
Here are the links. 6TPZ and 5TPO The speakers are good. I've tried several known good ones. I just have to fi...R3Sons — 06:27 PM
Philco 91 Tuning Condenser
I just found a set screw. Was able to turn dial just enough to see it and loosen it. I have it off now.dconant — 06:14 PM
Philco 91 Tuning Condenser
Hello, Does anyone know how the dial plate comes off the tuning condenser shaft? The dial itself id so warped I can't...dconant — 06:01 PM
Eico 368 TV/FM Sweep Generator
Ron, for the future: In order to change the name of teh topic, 1. Go to the very first post. 2. Hit "Edit...morzh — 04:29 PM
6TPZ and 5TPO Radio Help
Transistors are easy. No converters. If you have input voltage, then just put some signal through. Or touch your fin...morzh — 04:25 PM
462ron
Hi Mike, I believe I tried different ways to change the header for my post but no luck. Anyway thanks for changing it fo...462ron — 04:02 PM
6TPZ and 5TPO Radio Help
Since these radios operated in harsh environments (temp changes and vibration) you could touch a soldering iron to all t...GarySP — 03:18 PM
6TPZ and 5TPO Radio Help
Thank you Gary. Hi Morzh. These radios are 6 transistor radios. Sadly no tubes. Thanks though.R3Sons — 02:19 PM
Heathkit Sweep Generator TS-4
Ron Instead of Quick reply, go to New Reply, then go to the title of the very first post, and change the title text the...morzh — 02:00 PM
6TPZ and 5TPO Radio Help
I am not a specialist in car radios. I suspect they might use vibrators to convert 12V to acceptable tube voltages, so ...morzh — 01:58 PM

[-]
Who's Online
There are currently 10168 online users. [Complete List]
» 2 Member(s) | 10166 Guest(s)
AvatarAvatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration