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 2:40 pm by Dave Moll	66	52,511
	Sticky: AF11x transistors, 'tin whisker' problems and solutions. Darren-UK (15th Nov 2011)	11th Feb 2018 4:35 pm by AC/HL	2	33,416
	Sticky: Fuses ( 1 2 3) Radio_Dave (8th Jan 2007)	1st Feb 2016 10:11 pm by trobbins	53	82,937
	Sticky: Capacitors in series - pitfalls? ( 1 2 3) Andy Day (29th Aug 2007)	1st Jul 2015 5:32 pm by Herald1360	58	62,471
	Sticky: Battery box and socket details. ( 1 2) neon indicator (28th Jun 2011)	25th Jun 2015 8:19 pm by TonyDuell	36	40,964
	Sticky: Testing a transformer for shorted turns Merlin (24th Jan 2007)	30th Nov 2014 6:34 pm by Eddy_Stone	16	43,170
	Sticky: Grid coupling Capacitor aka "That" cap. ( 1 2) Courtney Louise (25th Aug 2011)	25th Mar 2014 3:32 pm by Station X	34	42,473
	Sticky: Testing an output transformer Radio_Dave (30th Jul 2007)	29th Apr 2013 6:01 pm by Herald1360	11	37,674
	Sticky: Replacement non-electrolytic capacitor values. Station X (2nd Oct 2012)	2nd Oct 2012 9:00 am by Station X	0	30,311
	Sticky: Class X2 and Class Y Capacitors. Station X (16th Dec 2010)	16th Dec 2010 7:40 pm by Station X	0	23,878
	Sticky: Testing transistors. Mike Phelan (27th Oct 2010)	27th Oct 2010 11:23 am by Mike Phelan	0	32,143
	Sticky: Testing transistors - analogue version DAVEHALL (16th May 2010)	7th Sep 2010 12:51 pm by Lee.Wilkerson	3	17,717
	Sticky: Testing Transistors. Station X (20th Jun 2009)	20th Jun 2009 3:57 pm by Station X	3	21,176
Normal Threads
	The PL81 TV line output valve. ( 1 2 3) FERNSEH (22nd Nov 2013)	Today 8:58 am by Ed_Dinning	53	13,791
	Spring reverb, calculating impedance suebutcher (Yesterday)	Today 8:56 am by Ed_Dinning	12	222
	PL259 plug assembly murphyv310 (Yesterday)	Yesterday 11:21 pm by Radio Wrangler	2	85
	Cheap Chinese Radio Kits mediaseller (18th Sep 2023)	Yesterday 8:16 pm by mediaseller	3	377
	Identifying unknown items ( 1 2 3 4) Julesomega (2nd Mar 2021)	Yesterday 12:41 pm by Herald1360	69	6,739
	Logarithmic Detector. G6Tanuki (16th Sep 2023)	Yesterday 9:48 am by mhennessy	6	327
	AC Mains Voltages ( 1 2 3 4) crusher19860138 (6th Jul 2013)	Yesterday 5:53 am by broadgage	62	5,396
	B4 Plug-in Coils David Simpson (19th Sep 2023)	19th Sep 2023 7:39 pm by Ed_Dinning	1	114
	Transistor Equivalents EdGizzard (19th Sep 2023)	19th Sep 2023 7:36 pm by Sideband	13	269
	Moved: Creating an adapter from 5-Pin DIN to 3.5mm jack Guitarman0512 (18th Sep 2023)	-	-	-
	Resistors used in the Magnavox 300TR saddlestone-man (16th Sep 2023)	18th Sep 2023 10:22 am by saddlestone-man	10	259
	CIO Xtals Julesomega (18th Sep 2023)	18th Sep 2023 8:16 am by G6Tanuki	1	140
	Can anyone identify these connectors please ronbryan (17th Sep 2023)	17th Sep 2023 4:50 pm by ronbryan	5	269
	Fibres sticking out of an old radio coil ? Jolly 7 (16th Sep 2023)	17th Sep 2023 12:25 pm by Jolly 7	9	398
	Component Identification EdGizzard (15th Sep 2023)	17th Sep 2023 10:41 am by EdGizzard	7	407
	AEG Rectifier John10b (16th Sep 2023)	16th Sep 2023 10:26 pm by John10b	4	253
	Can anyone identify this rectifier? ViragoRider (16th Sep 2023)	16th Sep 2023 9:49 pm by Leon Crampin	7	263
	Does anyone know which manufacturer made these green resistors? AdvancedArcana (15th Sep 2023)	15th Sep 2023 11:45 pm by Maarten	5	351
	High slope? Sharp cutoff? Diabolical Artificer (13th Sep 2023)	15th Sep 2023 3:48 pm by Diabolical Artificer	14	451
	UL84 grid current cause PJL (14th Sep 2023)	14th Sep 2023 12:36 pm by murphyv310	2	169