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	31,578
	Sticky: AF11x transistors, 'tin whisker' problems and solutions. Darren-UK (15th Nov 2011)	11th Feb 2018 3:35 pm by AC/HL	2	24,594
	Sticky: Fuses ( 1 2 3) Radio_Dave (8th Jan 2007)	1st Feb 2016 9:11 pm by trobbins	53	67,587
	Sticky: capacitors in series - pitfalls? ( 1 2 3) Andy Day (29th Aug 2007)	1st Jul 2015 4:32 pm by Herald1360	58	48,165
	Sticky: Battery box and socket details. ( 1 2) neon indicator (28th Jun 2011)	25th Jun 2015 7:19 pm by TonyDuell	36	29,057
	Sticky: Testing a transformer for shorted turns Merlin (24th Jan 2007)	30th Nov 2014 5:34 pm by Eddy_Stone	16	36,584
	Sticky: Grid coupling Capacitor aka "That" cap. ( 1 2) Courtney Louise (25th Aug 2011)	25th Mar 2014 2:32 pm by Station X	34	32,895
	Sticky: Testing an output transformer Radio_Dave (30th Jul 2007)	29th Apr 2013 5:01 pm by Herald1360	11	29,801
	Sticky: Replacement non-electrolytic capacitor values. Station X (2nd Oct 2012)	2nd Oct 2012 8:00 am by Station X	0	24,061
	Sticky: Class X2 and Class Y Capacitors. Station X (16th Dec 2010)	16th Dec 2010 6:40 pm by Station X	0	18,593
	Sticky: Testing transistors. Mike Phelan (27th Oct 2010)	27th Oct 2010 10:23 am by Mike Phelan	0	24,613
	Sticky: Testing transistors - analogue version DAVEHALL (15th May 2010)	7th Sep 2010 11:51 am by Lee.Wilkerson	3	14,661
	Sticky: Testing Transistors. Station X (20th Jun 2009)	20th Jun 2009 2:57 pm by Station X	3	17,843
Normal Threads
	Is Shed Storage Detrimental To Valves? ( 1 2) Fidelity Fan (4th Mar 2021)	Today 12:51 am by Bazz4CQJ	39	960
	Date Coding for Hunts / Erie capacitors ( 1 2 3) Farnze102 (3rd Jan 2012)	Yesterday 10:26 pm by Lucien Nunes	56	13,683
	Kelvin emitter pin on TO247 package? Al (astral highway) (Yesterday)	Yesterday 6:32 pm by Al (astral highway)	1	83
	Capacitor Selection Pi-Section Smoother. Takapuna (1st Mar 2021)	4th Mar 2021 11:28 am by Takapuna	18	479
	BNC plugs - which are best overall ? ( 1 2) Sparks (25th Feb 2021)	4th Mar 2021 9:06 am by Radio Wrangler	20	667
	Regen HF receiver supply stabiliser. G6Tanuki (3rd Mar 2021)	3rd Mar 2021 6:20 pm by G6Tanuki	0	98
	Identifying unknown items Julesomega (2nd Mar 2021)	3rd Mar 2021 3:08 pm by Julesomega	1	248
	Capacitor voltage? stevehertz (28th Feb 2021)	2nd Mar 2021 12:49 pm by PJL	9	461
	Toko Coil formers Wendymott (26th Feb 2021)	1st Mar 2021 9:48 pm by Wendymott	6	297
	Very stiff ALPS pot Petedox (28th Feb 2021)	1st Mar 2021 8:40 pm by Radio Wrangler	5	260
	Denco (science) ( 1 2) kellys_eye (24th Feb 2021)	1st Mar 2021 6:57 pm by G6Tanuki	25	880
	Automat metal rectifiers Restoration73 (1st Mar 2021)	1st Mar 2021 1:34 pm by Craig Sawyers	1	122
	Transistors from old CFL bulbs. G6Tanuki (25th Feb 2021)	27th Feb 2021 8:05 pm by turretslug	11	647
	What Do the Markings Mean on This Zener Diode? Francis (26th Feb 2021)	26th Feb 2021 10:30 pm by Francis	3	316
	Radiation resistance and gain of ferrite antenna ( 1 2) regenfreak (23rd Feb 2021)	26th Feb 2021 6:23 pm by regenfreak	34	718
	Best insulation for pcb wire links? Jimbo (25th Feb 2021)	26th Feb 2021 4:28 pm by Wendymott	8	256
	Modulator output peaking coil G6ONEDave (25th Feb 2021)	26th Feb 2021 10:48 am by G6ONEDave	2	137
	Getting a VA Rating from a Transformer’s Mass Bazz4CQJ (30th Jan 2021)	25th Feb 2021 7:35 pm by Al (astral highway)	16	689
	Audio output meter. Kentode (24th Feb 2021)	25th Feb 2021 6:21 pm by Kentode	4	269
	Output Valve bias meter? how to wire in correctly? ( 1 2) Whaam68 (19th Feb 2021)	25th Feb 2021 5:26 pm by usradcoll1	26	770