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Groups > alt.folklore.computers > #150434
| From | David Wade <dave.g4ugm@gmail.com> |
|---|---|
| Newsgroups | alt.folklore.computers |
| Subject | Re: very basic tube questions--twin triode, "mu" rating; heptode |
| Date | 2015-08-25 23:19 +0100 |
| Organization | albasani.net |
| Message-ID | <mriplr$1is$1@news.albasani.net> (permalink) |
| References | <9a606427-bd74-4c8a-9b0e-1874f3692261@googlegroups.com> |
On 25/08/2015 21:24, hancock4@bbs.cpcn.com wrote: > In reading C&A, I found an ad by Sylvania with specs for various tubes. Knowing extremely little tubes, could someone expand a little bit on the following... > > 1) What is a "twin", as in the difference between a 5844 triode and a 5965 _twin_ triode? How would they be used? > > 2) What does "mu" mean, as in 6211 Medium mu twin triode, and 5687 Low mu twin triad? How would they be used? > > http://www.mirrorservice.org/sites/www.bitsavers.org/pdf/computersAndAutomation/195602.pdf (page 48, last page) > > > Then we have the "5915A Dual control heptode"/ I found a writeup that said it was "used as a gated amplifier in computer control circuits. Each of the independent control grids exhibits a shart cutoff characteristic. When used in on-off applications, will maintain its emission capabilities after long periods of operation in cutoff conditions." > http://www.ase-museoedelpro.org/Museo_Edelpro/Catalogo/tubes/records/7036/1947ed_RMA.pdf There are also dual control Pentodes. The 1949 Manchester Small Scale Experiental computer made extensive use of these "tubes". (In the UK they are "Valves". > > The writeup includes specs for voltages, resistance, amps/milliamps, and watts for each piece, along with graphs of performance, e.g. grid voltage vs. plate current. > > I guess I'll have to go back to school and get my EE degree. I gotta lot of work ahead of me to convince my employer to use tube machines. <g> >
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very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-08-25 13:24 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode floyd@apaflo.com (Floyd L. Davidson) - 2015-08-25 13:35 -0800
Re: very basic tube questions--twin triode, "mu" rating; heptode David Wade <dave.g4ugm@gmail.com> - 2015-08-25 23:19 +0100
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-08-25 17:36 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode "Joe Morris" <j.c.morris@verizon.net> - 2015-08-25 19:41 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode tracymnelson@gmail.com - 2015-10-26 09:16 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 09:47 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-26 10:00 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-26 21:18 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Michael Black <et472@ncf.ca> - 2015-10-26 17:37 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-27 19:55 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Walter Banks <walter@bytecraft.com> - 2015-10-27 08:31 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-27 14:41 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-27 20:17 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <jmelson@wustl.edu> - 2015-10-28 15:59 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-28 19:01 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <jmelson@wustl.edu> - 2015-10-29 13:46 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 19:37 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <elson@pico-systems.com> - 2015-10-26 21:00 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-26 19:41 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-27 07:28 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-27 12:47 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-27 20:17 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode David Wade <dave.g4ugm@gmail.com> - 2015-10-27 23:02 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Ahem A Rivet's Shot <steveo@eircom.net> - 2015-10-28 09:38 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-28 07:47 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Ahem A Rivet's Shot <steveo@eircom.net> - 2015-10-28 19:24 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-28 13:42 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode David Wade <dave.g4ugm@gmail.com> - 2015-10-30 15:57 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode David Wade <dave.g4ugm@gmail.com> - 2015-10-30 15:54 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Ahem A Rivet's Shot <steveo@eircom.net> - 2015-10-30 18:44 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-27 15:19 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <elson@pico-systems.com> - 2015-10-27 18:58 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-27 17:57 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-27 17:59 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-27 18:26 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-28 14:57 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-10-28 14:09 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <jmelson@wustl.edu> - 2015-10-28 15:52 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <jmelson@wustl.edu> - 2015-10-28 15:46 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-28 21:09 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <jmelson@wustl.edu> - 2015-10-28 15:38 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Peter Flass <peter_flass@yahoo.com> - 2015-10-28 06:06 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-28 01:22 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-28 15:22 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-28 13:49 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-28 15:51 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-28 19:28 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-28 21:34 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Ibmekon <Ibmekon> - 2015-10-28 22:11 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode David Wade <dave.g4ugm@gmail.com> - 2015-10-30 15:59 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode scott@slp53.sl.home (Scott Lurndal) - 2015-10-30 16:31 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-30 20:07 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-10-31 03:57 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Ahem A Rivet's Shot <steveo@eircom.net> - 2015-10-31 10:20 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-10-31 04:51 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Peter Flass <peter_flass@yahoo.com> - 2015-10-31 07:08 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode Ahem A Rivet's Shot <steveo@eircom.net> - 2015-10-31 12:29 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode David Hume <David.Hume@example.com> - 2015-10-31 12:04 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-10-31 06:11 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode David Hume <David.Hume@example.com> - 2015-10-31 12:37 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Ahem A Rivet's Shot <steveo@eircom.net> - 2015-10-31 13:20 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode David Wade <dave.g4ugm@gmail.com> - 2015-11-01 16:18 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-11-01 10:41 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Morten Reistad <first@last.name.invalid> - 2015-10-31 15:21 +0100
Re: very basic tube questions--twin triode, "mu" rating; heptode "gareth" <no.spam@thank.you.invalid> - 2015-10-31 15:13 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Dave Garland <dave.garland@wizinfo.com> - 2015-10-31 12:49 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-31 15:09 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Greymaus <mausg@mail.com> - 2015-11-01 12:04 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-11-01 07:48 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Huge <Huge@nowhere.much.invalid> - 2015-11-01 13:56 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Greymaus <mausg@mail.com> - 2015-11-01 18:33 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-11-02 17:17 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Ibmekon <Ibmekon> - 2015-10-31 11:30 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-28 19:15 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 02:55 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-29 07:36 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 17:19 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 11:33 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 19:37 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Dave Garland <dave.garland@wizinfo.com> - 2015-10-29 18:03 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode "Osmium" <r124c4u102@comcast.net> - 2015-10-29 11:44 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 19:37 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Michael Black <et472@ncf.ca> - 2015-10-29 16:03 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode Lawrence Statton <lawrence@senguio.mx> - 2015-10-29 14:15 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 21:51 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-29 15:20 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Peter Flass <peter_flass@yahoo.com> - 2015-10-30 07:28 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-30 14:57 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-10-29 13:26 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <jmelson@wustl.edu> - 2015-10-29 15:40 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-29 15:32 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-29 23:10 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-29 19:09 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-30 16:35 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode scott@slp53.sl.home (Scott Lurndal) - 2015-10-30 18:35 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-30 12:05 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode Quadibloc <jsavard@ecn.ab.ca> - 2015-10-30 12:22 -0700
Re: very basic tube questions--twin triode, "mu" rating; heptode scott@slp53.sl.home (Scott Lurndal) - 2015-11-02 14:15 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Walter Banks <walter@bytecraft.com> - 2015-10-30 17:31 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode Walter Banks <walter@bytecraft.com> - 2015-10-30 17:44 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode Michael Black <et472@ncf.ca> - 2015-10-30 23:38 -0400
Re: very basic tube questions--twin triode, "mu" rating; heptode "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-31 15:08 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-11-02 17:17 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Alfred Falk <falk@arc.ab.ca> - 2015-11-03 16:44 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode Jon Elson <jmelson@wustl.edu> - 2015-11-05 15:28 -0600
Re: very basic tube questions--twin triode, "mu" rating; heptode Walter Banks <walter@bytecraft.com> - 2015-11-05 17:05 -0500
Re: very basic tube questions--twin triode, "mu" rating; heptode Morten Reistad <first@last.name.invalid> - 2015-10-26 22:12 +0100
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-11-16 18:48 -0800
Re: very basic tube questions--twin triode, "mu" rating; heptode Chris <xxx.syseng.yyy@gfsys.co.uk> - 2015-11-25 16:00 +0000
Re: very basic tube questions--twin triode, "mu" rating; heptode hancock4@bbs.cpcn.com - 2015-11-30 09:43 -0800
Re: very basic tube questions--twin triode, "mu" rating; heptode floyd@apaflo.com (Floyd L. Davidson) - 2015-11-30 10:42 -0900
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