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)	28th Jan 2021 5:26 am by ThePillenwerfer	62	31,611
	Sticky: AF11x transistors, 'tin whisker' problems and solutions. Darren-UK (15th Nov 2011)	11th Feb 2018 3:35 pm by AC/HL	2	24,607
	Sticky: Fuses ( 1 2 3) Radio_Dave (8th Jan 2007)	1st Feb 2016 9:11 pm by trobbins	53	67,609
	Sticky: capacitors in series - pitfalls? ( 1 2 3) Andy Day (29th Aug 2007)	1st Jul 2015 4:32 pm by Herald1360	58	48,183
	Sticky: Battery box and socket details. ( 1 2) neon indicator (28th Jun 2011)	25th Jun 2015 7:19 pm by TonyDuell	36	29,075
	Sticky: Testing a transformer for shorted turns Merlin (24th Jan 2007)	30th Nov 2014 5:34 pm by Eddy_Stone	16	36,593
	Sticky: Grid coupling Capacitor aka "That" cap. ( 1 2) Courtney Louise (25th Aug 2011)	25th Mar 2014 2:32 pm by Station X	34	32,908
	Sticky: Testing an output transformer Radio_Dave (30th Jul 2007)	29th Apr 2013 5:01 pm by Herald1360	11	29,813
	Sticky: Replacement non-electrolytic capacitor values. Station X (2nd Oct 2012)	2nd Oct 2012 8:00 am by Station X	0	24,069
	Sticky: Class X2 and Class Y Capacitors. Station X (16th Dec 2010)	16th Dec 2010 6:40 pm by Station X	0	18,600
	Sticky: Testing transistors. Mike Phelan (27th Oct 2010)	27th Oct 2010 10:23 am by Mike Phelan	0	24,626
	Sticky: Testing transistors - analogue version DAVEHALL (15th May 2010)	7th Sep 2010 11:51 am by Lee.Wilkerson	3	14,663
	Sticky: Testing Transistors. Station X (20th Jun 2009)	20th Jun 2009 2:57 pm by Station X	3	17,849
Normal Threads
	EHT PSU Question. Diabolical Artificer (Yesterday)	Today 2:42 am by trobbins	12	309
	Kelvin emitter pin on TO247 package? Al (astral highway) (5th Mar 2021)	Yesterday 5:16 pm by Al (astral highway)	5	192
	Identifying unknown items Julesomega (2nd Mar 2021)	Yesterday 2:56 pm by Julesomega	5	358
	Is Shed Storage Detrimental To Valves? ( 1 2 3) Fidelity Fan (4th Mar 2021)	Yesterday 10:47 am by David Simpson	42	1,121
	Date Coding for Hunts / Erie capacitors ( 1 2 3) Farnze102 (3rd Jan 2012)	5th Mar 2021 10:26 pm by Lucien Nunes	56	13,718
	Capacitor Selection Pi-Section Smoother. Takapuna (1st Mar 2021)	4th Mar 2021 11:28 am by Takapuna	18	489
	BNC plugs - which are best overall ? ( 1 2) Sparks (25th Feb 2021)	4th Mar 2021 9:06 am by Radio Wrangler	20	681
	Regen HF receiver supply stabiliser. G6Tanuki (3rd Mar 2021)	3rd Mar 2021 6:20 pm by G6Tanuki	0	102
	Capacitor voltage? stevehertz (28th Feb 2021)	2nd Mar 2021 12:49 pm by PJL	9	468
	Toko Coil formers Wendymott (26th Feb 2021)	1st Mar 2021 9:48 pm by Wendymott	6	300
	Very stiff ALPS pot Petedox (28th Feb 2021)	1st Mar 2021 8:40 pm by Radio Wrangler	5	265
	Denco (science) ( 1 2) kellys_eye (24th Feb 2021)	1st Mar 2021 6:57 pm by G6Tanuki	25	892
	Automat metal rectifiers Restoration73 (1st Mar 2021)	1st Mar 2021 1:34 pm by Craig Sawyers	1	128
	Transistors from old CFL bulbs. G6Tanuki (25th Feb 2021)	27th Feb 2021 8:05 pm by turretslug	11	655
	What Do the Markings Mean on This Zener Diode? Francis (26th Feb 2021)	26th Feb 2021 10:30 pm by Francis	3	319
	Radiation resistance and gain of ferrite antenna ( 1 2) regenfreak (23rd Feb 2021)	26th Feb 2021 6:23 pm by regenfreak	34	722
	Best insulation for pcb wire links? Jimbo (25th Feb 2021)	26th Feb 2021 4:28 pm by Wendymott	8	259
	Modulator output peaking coil G6ONEDave (25th Feb 2021)	26th Feb 2021 10:48 am by G6ONEDave	2	138
	Getting a VA Rating from a Transformer’s Mass Bazz4CQJ (30th Jan 2021)	25th Feb 2021 7:35 pm by Al (astral highway)	16	691
	Audio output meter. Kentode (24th Feb 2021)	25th Feb 2021 6:21 pm by Kentode	4	271