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Philco 645 Hum-m-m-m
#32

Yes sounds like motorboating.

Not sure but because it has to do with tuning and the IF and RF do not really depend in their stability on the passing frequency, try to look at the oscillator first. Maybe it becomes unstable at a certain point.


Messages In This Thread
Philco 645 Hum-m-m-m - by Winky Dink - 04-07-2014, 07:21 PM
RE: Philco 645 Hum-m-m-m - by gregb - 04-07-2014, 07:24 PM
RE: Philco 645 Hum-m-m-m - by Warren - 04-07-2014, 08:05 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-07-2014, 08:23 PM
RE: Philco 645 Hum-m-m-m - by Ron Ramirez - 04-08-2014, 04:31 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-08-2014, 09:10 AM
RE: Philco 645 Hum-m-m-m - by PAradiogeek - 04-08-2014, 10:16 AM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-08-2014, 12:26 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-08-2014, 11:54 PM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-09-2014, 09:58 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-09-2014, 12:45 PM
RE: Philco 645 Hum-m-m Fixed? - by Winky Dink - 04-12-2014, 09:43 AM
RE: Philco 645 Hum-m-m-m - by Steve Davis - 04-12-2014, 10:36 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-12-2014, 10:57 AM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-12-2014, 11:04 AM
RE: Philco 645 Hum-m-m-m - by BrendaAnnD - 04-12-2014, 03:18 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-13-2014, 04:14 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-13-2014, 08:28 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-14-2014, 12:29 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-14-2014, 07:23 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-16-2014, 03:28 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-16-2014, 09:30 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-16-2014, 03:24 PM
RE: Philco 645 Hum-m-m-m - by TA Forbes - 04-16-2014, 03:43 PM
RE: Philco 645 Hum-m-m-m - by morzh - 04-16-2014, 04:05 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-17-2014, 03:54 AM
RE: Philco 645 Hum-m-m-m - by morzh - 04-17-2014, 07:54 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 04-18-2014, 12:08 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-02-2014, 10:20 PM
RE: Philco 645 Hum-m-m-m - by Arran - 07-02-2014, 11:21 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-03-2014, 12:53 AM
RE: Philco 645 Hum-m-m-m - by morzh - 07-03-2014, 08:45 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-03-2014, 11:37 PM
RE: Philco 645 Hum-m-m-m - by morzh - 07-05-2014, 10:09 PM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-06-2014, 12:57 AM
RE: Philco 645 Hum-m-m-m - by morzh - 07-06-2014, 07:58 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-06-2014, 08:30 AM
RE: Philco 645 Hum-m-m-m - by morzh - 07-06-2014, 09:16 AM
RE: Philco 645 Hum-m-m-m - by Winky Dink - 07-07-2014, 07:04 PM



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