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References: [ +from:Chuck_Partain@maxtor.com: 89 ]

Total 89 documents matching your query.

41. Re: [Amps] cathode to ground in tetrode amp (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Mon, 30 Jan 2006 11:13:33 -0500
ya <http://www.angelfire.com/nb/ni4l/gu84b.html> http://www.angelfire.com/nb/ni4l/gu84b.html Look down at the ONE tube schematic. This is the only one I have seen for HF so far that's not too convolu
/archives//html/Amps/2006-01/msg00719.html (8,535 bytes)

42. Re: [Amps] IMD numbers for Russian tubes (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Tue, 31 Jan 2006 14:12:56 -0500
hey! and I thought I Was getting EXPERT advise :) They are much better than anything that you are likely to have as a driver Theo. Based on anecdotal evidence (I have never measured one myself) I bel
/archives//html/Amps/2006-01/msg00772.html (8,881 bytes)

43. [Amps] florida rf labs resistors. (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Mon, 6 Feb 2006 10:42:43 -0500
Anyone have a source for the florida RF labs resistors? I'm dealing with thier distributor but... just curious. pretty decent looking stuff there.. I'm going to use the 50 ohm, 250w ceramic for insid
/archives//html/Amps/2006-02/msg00129.html (6,568 bytes)

44. [Amps] transformer talk (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Thu, 9 Feb 2006 08:43:58 -0500
I have a few questions, I'm yet to fully understand all that needs to be known and never will for that matter but! In the design of HV transformers, what's the difference between designing a transfor
/archives//html/Amps/2006-02/msg00200.html (7,437 bytes)

45. Re: [Amps] transformer talk (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Fri, 10 Feb 2006 15:21:50 -0500
ok so now... is this a good start for checking a transformer? Specify 2000 vac at say 1 amp. the test is manufacture the device for unloaded output 3% higher (whats that 60-100v) short the secondary
/archives//html/Amps/2006-02/msg00219.html (8,431 bytes)

46. Re: [Amps] transformer talk (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Fri, 10 Feb 2006 15:23:41 -0500
of course, plot the resistance change after the heat run and power OFF :) ok so now... is this a good start for checking a transformer? Specify 2000 vac at say 1 amp. the test is manufacture the devi
/archives//html/Amps/2006-02/msg00220.html (9,005 bytes)

47. [Amps] Automatic bandswitching (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Wed, 15 Feb 2006 10:21:32 -0500
curious on this subject... what would it take to do a electronic(no moving parts) bandswitch?? Remember the varactor? I had a heathkit gr-2000 tv with varactor tuning.. Anyone know or make some high
/archives//html/Amps/2006-02/msg00267.html (6,613 bytes)

48. Re: [Amps] Book seller gotta see (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Thu, 16 Feb 2006 10:54:56 -0500
anyone care to ask him why so much on shipping? perhaps he converted the yen wrong????????? Definitely NOT bargain basement... _______________________________________________ Amps mailing list Amps@c
/archives//html/Amps/2006-02/msg00282.html (8,382 bytes)

49. Re: [Amps] Book seller gotta see (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Thu, 16 Feb 2006 10:58:42 -0500
http://cgi.ebay.com/Comprehensive-Coordination-Chemistry-II-by-J-A-McC_W0QQitemZ4613695837QQcategoryZ378QQcmdZViewItem I did a search of his store. I know this isn't amps subject and I apologize. But
/archives//html/Amps/2006-02/msg00283.html (7,638 bytes)

50. [Amps] 3kv @ 1.5a transformer FS (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Fri, 17 Feb 2006 08:24:46 -0500
I have overstock of TWO 240vac in 3kv 1.5a CCS out , not ICAS.. transformers. if anyone is interested in them 330$ each (and 35$ each) shipping. brandy new. they go on that auction site in the next f
/archives//html/Amps/2006-02/msg00306.html (6,687 bytes)

51. Re: [Amps] 3kv @ 1.5a transformer FS (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Fri, 17 Feb 2006 09:22:27 -0500
primary: 0.15 ohms secondary: 22.9 ohms 18 units over 2 years no complaints/returns! we made 5 for a 4 pc order, they only bought 3. chuck Hello Chuck, What is the DC resistance of the secondary wind
/archives//html/Amps/2006-02/msg00308.html (8,205 bytes)

52. Re: [Amps] 3kv @ 1.5a transformer FS********sold (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Fri, 17 Feb 2006 10:57:04 -0500
**sold** thanks. -- I have overstock of TWO 240vac in 3kv 1.5a CCS out , not ICAS.. transformers. if anyone is interested in them 330$ each (and 35$ each) shipping. brandy new. they go on that auctio
/archives//html/Amps/2006-02/msg00312.html (7,536 bytes)

53. [Amps] figuring tube output impedance (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Mon, 27 Feb 2006 13:36:24 -0500
I see a lot of formulae(is that plural???) on determining the output impedance of a tube. some say just plain plate volts divided by plate current, some have a 1.8 x formula and so on. I Want to dete
/archives//html/Amps/2006-02/msg00623.html (7,541 bytes)

54. Re: [Amps] figuring tube output impedance (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Mon, 27 Feb 2006 15:40:54 -0500
yea they're going to love me. and I guess with that line of thinking, I should drive home doing 145 in the 40. ORIGINAL MESSAGE: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I'm GUESSING the FCC
/archives//html/Amps/2006-02/msg00640.html (8,256 bytes)

55. Re: [Amps] figuring tube output impedance (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Mon, 27 Feb 2006 20:20:18 -0500
I'm looking at the drive not being ON FULL and low watts in, hey it'll coast at 1500 if I do all this right which is what I was shooting for in the first place, that alpha key down advertisement long
/archives//html/Amps/2006-02/msg00650.html (10,872 bytes)

56. Re: [Amps] Vegetable oil dummy load (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Tue, 28 Feb 2006 09:22:00 -0500
good portable antenna AND it'll make you hungry for Mcdonalds fries at some point :) --Original Message-- From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]On Behalf Of Larry Carm
/archives//html/Amps/2006-02/msg00663.html (11,989 bytes)

57. Re: [Amps] Vegetable oil dummy load (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Tue, 28 Feb 2006 13:05:58 -0500
smells fishy to me. Although this sounded silly (to me) at first, I had heard of using a dummy load for 160 mtr contacts. Doubting this would work, I hoisted the dummy load up forty feet or so in the
/archives//html/Amps/2006-02/msg00669.html (14,960 bytes)

58. [Amps] my gu-84b amp project (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Mon, 6 Mar 2006 09:26:20 -0500
So, after some playing later lastnight and replacing the glitch r with the SAME value, (22ohm 2w) I'm leaving it low for now I set my ft100 on 7.1m as I had setup the tank for this the first time. I
/archives//html/Amps/2006-03/msg00116.html (7,408 bytes)

59. [Amps] mdc hv capacitors indentifcation (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Wed, 8 Mar 2006 07:11:02 -0500
Anyone familiar with MDC caps? I have a few 35kv and 10kv's kicking around and put a few into my amp project. I ASSUME the 1000m is 1000pf and so on. markings on cap are : Mdc 1000m z5r 35kv they are
/archives//html/Amps/2006-03/msg00188.html (6,512 bytes)

60. [Amps] ripple in HV ps (score: 1)
Author: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Date: Wed, 8 Mar 2006 09:40:47 -0500
ok another easy question for you guru's what is an "acceptable" percentage for HVPS ripple? I see figures of up to 10% thought that was high, lets assume at operating current not into a R load but re
/archives//html/Amps/2006-03/msg00196.html (6,944 bytes)

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