Components and Circuits - UK Vintage Radio Repair and Restoration Discussion Forum

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Components and Circuits

Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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	Rating Thread / Thread Starter	Last Post	Replies	Views
Sticky Threads
	Sticky: Battery case links and scans. ( 1 2 3 4) RadioHist (6th Jan 2014)	22nd Sep 2021 1:40 pm by Dave Moll	66	50,991
	Sticky: AF11x transistors, 'tin whisker' problems and solutions. Darren-UK (15th Nov 2011)	11th Feb 2018 3:35 pm by AC/HL	2	32,463
	Sticky: Fuses ( 1 2 3) Radio_Dave (8th Jan 2007)	1st Feb 2016 9:11 pm by trobbins	53	81,414
	Sticky: Capacitors in series - pitfalls? ( 1 2 3) Andy Day (29th Aug 2007)	1st Jul 2015 4:32 pm by Herald1360	58	61,297
	Sticky: Battery box and socket details. ( 1 2) neon indicator (28th Jun 2011)	25th Jun 2015 7:19 pm by TonyDuell	36	40,003
	Sticky: Testing a transformer for shorted turns Merlin (24th Jan 2007)	30th Nov 2014 5:34 pm by Eddy_Stone	16	42,246
	Sticky: Grid coupling Capacitor aka "That" cap. ( 1 2) Courtney Louise (25th Aug 2011)	25th Mar 2014 2:32 pm by Station X	34	41,508
	Sticky: Testing an output transformer Radio_Dave (30th Jul 2007)	29th Apr 2013 5:01 pm by Herald1360	11	36,870
	Sticky: Replacement non-electrolytic capacitor values. Station X (2nd Oct 2012)	2nd Oct 2012 8:00 am by Station X	0	29,383
	Sticky: Class X2 and Class Y Capacitors. Station X (16th Dec 2010)	16th Dec 2010 6:40 pm by Station X	0	23,144
	Sticky: Testing transistors. Mike Phelan (27th Oct 2010)	27th Oct 2010 10:23 am by Mike Phelan	0	31,400
	Sticky: Testing transistors - analogue version DAVEHALL (15th May 2010)	7th Sep 2010 11:51 am by Lee.Wilkerson	3	16,990
	Sticky: Testing Transistors. Station X (20th Jun 2009)	20th Jun 2009 2:57 pm by Station X	3	20,372
Normal Threads
	Low cost DC-DC boost converter 400v dougietamson (Yesterday)	Today 2:03 pm by dougietamson	11	223
	115 volt solenoid sparkymike (Today)	Today 11:59 am by PJL	5	115
	Transformers in parallel? ( 1 2 3) G6Tanuki (18th Mar 2023)	Yesterday 9:08 pm by kalee20	50	1,562
	IGRANIC type J intervalve transformer assistance? AdrianH (Yesterday)	Yesterday 8:56 pm by AdrianH	0	54
	Resistor Value Issue ( 1 2) EdGizzard (27th Feb 2023)	Yesterday 8:54 pm by EdGizzard	29	1,243
	Unusual crimp tags. Sparks (23rd Mar 2023)	Yesterday 5:04 pm by G6fylneil	3	196
	Square wire in transformers. G6Tanuki (23rd Mar 2023)	Yesterday 4:52 pm by Malcolm G6ANZ	16	384
	Valve/Bulb type ref 10AB/4604 what is it? Pete_kaye (7th Oct 2015)	Yesterday 10:47 am by Station X	13	1,264
	Wax capacitors Dorian27 (23rd Mar 2023)	Yesterday 9:55 am by Radio Wrangler	9	314
	Variac wiring. mickm3for (23rd Mar 2023)	23rd Mar 2023 11:07 pm by Silicon	3	166
	Best D cells Martin Bush (19th Mar 2023)	23rd Mar 2023 8:27 pm by Martin Bush	17	651
	Valve/Tube Data trevatxtal (23rd Mar 2023)	23rd Mar 2023 8:17 am by trevatxtal	0	100
	Unpolarised electrolytics Bobsound (13th Mar 2023)	22nd Mar 2023 7:03 pm by Bobsound	13	550
	Mystery Valve kestrelmusic (21st Mar 2023)	21st Mar 2023 7:55 pm by m0cemdave	8	349
	PTC replacement in Telefunken 712 ben (16th Mar 2023)	21st Mar 2023 2:18 pm by ben	3	238
	Using vintage capacitors in restorations ( 1 2) em536716 (13th Mar 2023)	20th Mar 2023 4:44 pm by whiskas	24	970
	Mullard red jacket GET 104T petervk2mlg (19th Mar 2023)	20th Mar 2023 7:48 am by petervk2mlg	8	353
	Simple stable triode BFO rubicon (17th Mar 2023)	17th Mar 2023 9:39 pm by rubicon	10	360
	Smoothing capacitor change / replacement GSBX1220 (14th Mar 2023)	17th Mar 2023 7:03 pm by GSBX1220	7	439
	VC capacitor voltage Malcolm T (13th Mar 2023)	15th Mar 2023 3:02 pm by kalee20	5	289