- 161. [AMPS] a question for the EXPERT (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Tue, 4 Dec 2001 08:08:16 -0000
- --Original Message-- From: Steve Katz <stevek@jmr.com> To: 'alfredo@cln.it' <alfredo@cln.it>; amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 04 December 2001 00:14 Subject:
- /archives//html/Amps/2001-12/msg00068.html (7,519 bytes)
- 162. [AMPS] 8877 heater (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Wed, 5 Dec 2001 08:10:56 -0000
- I have a pair showing odd behaviour. I'm interested in your comments. These were bought at very modest price, reflecting their 87/8 date codes and untested state (all I could do was check heater cont
- /archives//html/Amps/2001-12/msg00090.html (7,985 bytes)
- 163. [AMPS] 6m amp with 8877, blocking caps, etc. (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Wed, 5 Dec 2001 16:00:36 -0000
- --Original Message-- From: Michael J. Tubby B.Sc. (Hons) G8TIC <mike.tubby@thorcom.co.uk> To: amps@contesting.com <amps@contesting.com>; Ian White, G3SEK <g3sek@ifwtech.com> To: <amps@contesting.com>
- /archives//html/Amps/2001-12/msg00114.html (7,366 bytes)
- 164. [AMPS] 8877 heater (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Thu, 6 Dec 2001 08:41:01 -0000
- --Original Message-- From: richl@cyberdude.com <richl@cyberdude.com> To: Steve Thompson <g8gsq@qsl.net> Cc: amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 06 December 2001
- /archives//html/Amps/2001-12/msg00140.html (7,247 bytes)
- 165. [AMPS] Coil Forms (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Fri, 7 Dec 2001 08:53:34 -0000
- --Original Message-- From: zl1aih@ihug.co.nz <zl1aih@ihug.co.nz> To: amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 07 December 2001 08:37 Subject: RE: [AMPS] Coil Forms sn
- /archives//html/Amps/2001-12/msg00158.html (6,908 bytes)
- 166. [AMPS] smith chart calculations (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Sun, 9 Dec 2001 19:20:22 -0000
- Good Morning Every One, I was wondering if some one out there has or know where I can a public domain program that will assist me in solving smith chart calculations. It would be much appreciated. Th
- /archives//html/Amps/2001-12/msg00184.html (7,351 bytes)
- 167. [AMPS] Stupid transformer question (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Sun, 16 Dec 2001 08:23:57 -0000
- transformer. 3) Find another similar one (probably doesn't have to be identical) and connect them so as to work in bi-phase half wave. That appears to be a tried and tested method. Steve -- FAQ on WW
- /archives//html/Amps/2001-12/msg00257.html (7,868 bytes)
- 168. [AMPS] Transformer Current ratings (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Mon, 17 Dec 2001 08:03:40 -0000
- --Original Message-- From: Peter Chadwick <Peter.Chadwick@zarlink.com> To: amps@contesting.com <amps@contesting.com>; 'Bill Smith' <ko4nrbs@yahoo.com> To: <amps@contesting.com> Date: 17 December 2001
- /archives//html/Amps/2001-12/msg00279.html (9,596 bytes)
- 169. [AMPS] Bypassing Screen of 4cx800a for 50 MHz (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Tue, 18 Dec 2001 07:54:57 -0000
- the screen This is an honest question, not a carping comment. Is bypassing the cathode to ground at -350V easier or less critical than bypassing the screen at +350V? Steve -- FAQ on WWW: http://www.c
- /archives//html/Amps/2001-12/msg00317.html (9,554 bytes)
- 170. [AMPS] Inductors (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Tue, 18 Dec 2001 07:56:35 -0000
- I think tuning range is a bit limited. Does a variometer do any better andwork at high power? Steve -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative r
- /archives//html/Amps/2001-12/msg00318.html (7,723 bytes)
- 171. [AMPS] Bypassing Screen of 4cx800a for 50 MHz (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Tue, 18 Dec 2001 18:51:27 -0000
- --Original Message-- From: Lamb <k7fm@teleport.com> To: Steve Thompson <g8gsq@qsl.net>; amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 18 December 2001 12:47 Subject: Re: [
- /archives//html/Amps/2001-12/msg00331.html (10,389 bytes)
- 172. [AMPS] HV Pole Pig Transformers (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Thu, 20 Dec 2001 16:54:28 -0000
- --Original Message-- From: Peter Chadwick <Peter.Chadwick@zarlink.com> To: amps@contesting.com <amps@contesting.com>; 'jstrohm@texas.net' <jstrohm@texas.net> To: <amps@contesting.com> Date: 20 Decemb
- /archives//html/Amps/2001-12/msg00406.html (8,444 bytes)
- 173. [AMPS] M/A Com fets (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Fri, 21 Dec 2001 08:01:32 -0000
- Has anyone any experience of MRF1** fets from M/A Com since they took over the product? Leadtimes over here are 12 weeks and rising, and I'm wondering if it's time to redesign. Thanks, Steve -- FAQ o
- /archives//html/Amps/2001-12/msg00428.html (6,917 bytes)
- 174. [AMPS] M/A Com fets (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Fri, 21 Dec 2001 15:52:39 -0000
- wondering FETs. Yes, I've used them a few times but unfortunately, they don't replace the whole frequency/power/linearity range of the Motorola stuff. In some products, other brands will drop in inst
- /archives//html/Amps/2001-12/msg00439.html (7,687 bytes)
- 175. [AMPS] Isolation Transformer Voltage (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Wed, 26 Dec 2001 08:19:42 -0000
- Something I've used is to add a low voltage transformer in series with the line in antiphase to reduce voltage - perhaps 4V at 10 or 20A or so in your case. Steve -- FAQ on WWW: http://www.contesting
- /archives//html/Amps/2001-12/msg00484.html (7,480 bytes)
- 176. [AMPS] Tube Choices - Deliberations (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Fri, 28 Dec 2001 07:55:25 -0000
- Hmmmm - did the 'Hitchhiker's Guide' make it to that side of the Atlantic? What did you make of it? Steve -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administra
- /archives//html/Amps/2001-12/msg00498.html (7,534 bytes)
- 177. [AMPS] another myth on EMF (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Tue, 6 Nov 2001 11:25:29 -0000
- --Original Message-- From: 2 <2@vc.net> To: Lamb <k7fm@teleport.com>; Mike <W4EF@dellroy.com>; AMPS <amps@contesting.com>; John T. M. Lyles <jtml@lanl.gov> To: <amps@contesting.com> Date: 06 November
- /archives//html/Amps/2001-11/msg00065.html (9,973 bytes)
- 178. [AMPS] another myth on EMF (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Tue, 6 Nov 2001 15:36:21 -0000
- ? As I understand it, copper/cotton thread blend briefs pretty much solves the reproduction problem. Might cure the potential sterility problem - care in other directions needed to avoid reproducing
- /archives//html/Amps/2001-11/msg00076.html (8,696 bytes)
- 179. [AMPS] another myth on EMF (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Tue, 6 Nov 2001 16:11:40 -0000
- --Original Message-- From: carl seyersdahl <carlseye@tampabay.rr.com> To: Steve Katz <stevek@jmr.com>; '2' <2@vc.net>; Lamb <k7fm@teleport.com>; Mike <W4EF@dellroy.com>; AMPS <amps@contesting.com>; J
- /archives//html/Amps/2001-11/msg00083.html (8,633 bytes)
- 180. [AMPS] alpha input swamp circuit (score: 1)
- Author: g8gsq@qsl.net (Steve Thompson)
- Date: Mon, 12 Nov 2001 09:58:10 -0000
- snip A while ago I spent time looking at diodes to use in a limiter in front of a hf rx system where very high currents were expected under fault conditions. Things tested included numerous tyoes of
- /archives//html/Amps/2001-11/msg00178.html (8,919 bytes)
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