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Total 106 documents matching your query.

41. Re: [Amps] IM distortion and such (score: 1): Author: R L Measures <r@somis.org>; Date: Mon, 26 Jun 2006 20:15:29 -0700; In this case, warranty claims are not the issue since a thoriated tungsten filament/cathode's emissive layer can not be dislodged by even double the required driving P. R L MEASURES, AG6K. 805-386-37; /archives//html/Amps/2006-06/msg00496.html (8,872 bytes)
42. Re: [Amps] IM distortion and such (score: 1): Author: R L Measures <r@somis.org>; Date: Mon, 26 Jun 2006 20:38:37 -0700; Amen, Bud, and the few needed mods to the SB-220 are minor. R L MEASURES, AG6K. 805-386-3734 r@somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://l; /archives//html/Amps/2006-06/msg00498.html (12,423 bytes)
43. Re: [Amps] IM distortion and such (score: 1): Author: "Dave" <aa6yq@ambersoft.com>; Date: Tue, 27 Jun 2006 01:29:45 -0400; Who designed the SB220? 73, Dave, AA6YQ --Original Message-- From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On Behalf Of R L Measures Sent: Monday, June 26, 2006 23:39 PM To:; /archives//html/Amps/2006-06/msg00500.html (12,795 bytes)
44. Re: [Amps] IM distortion and such (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Tue, 27 Jun 2006 05:46:22 -0400; Will, Where did you get the idea 400mA is a "minimum distortion" condition? 73 Tom _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/m; /archives//html/Amps/2006-06/msg00502.html (9,475 bytes)
45. Re: [Amps] IM distortion and such (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Tue, 27 Jun 2006 07:03:27 -0700; ORIGINAL MESSAGE: -- REPLY SEPARATOR -- As one who has been on both sides of that fence, there is another side to it as well. Engineers have a well-deserved reputation for never quite being finished; /archives//html/Amps/2006-06/msg00507.html (10,371 bytes)
46. Re: [Amps] IM distortion and such (score: 1): Author: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>; Date: Tue, 27 Jun 2006 16:14:28 +0200 (CEST); never quite being finished with their designs.< So how do you tell the difference between the mahemetician, the physicist, the accountant and the engineer? You ask 'What's 2 plus 2?' The mathematicia; /archives//html/Amps/2006-06/msg00508.html (8,768 bytes)
47. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 09:06:34 -0400; Tom, It says it on page two of the Eimac 3-500Z spec sheet. See the one the link was provided for earlier. Quote; RF Linear Amplifier Grounded-Grid, Class B Maximum Ratings Typical operation (Minimum; /archives//html/Amps/2006-06/msg00509.html (11,274 bytes)
48. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 09:43:48 -0400; Timothy, Not under Kentucky law. If the PE does stamp the drawings, he must run the numbers also to determine if the design will work and be safe. He simply cant stamp the drawing not doing any calcu; /archives//html/Amps/2006-06/msg00510.html (19,938 bytes)
49. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 09:51:41 -0400; Rich, It was the same thing as they printed it I was refering, or to me it was as I wrote it. It was Eimacs maximum rating at 1 KW input, G-G, class B RF amp showing it's minimum distortion, or the w; /archives//html/Amps/2006-06/msg00511.html (11,109 bytes)
50. Re: [Amps] IM distortion and such (score: 1): Author: R L Measures <r@somis.org>; Date: Tue, 27 Jun 2006 06:19:46 -0700; Good point, Tom. Will should have said something like: for minimal distortion, the max rated anode-I is 400mA. R L MEASURES, AG6K. 805-386-3734 r@somis.org ___________________________________________; /archives//html/Amps/2006-06/msg00512.html (10,458 bytes)
51. Re: [Amps] IM distortion and such (score: 1): Author: "Joe Subich, W4TV" <w4tv@subich.com>; Date: Tue, 27 Jun 2006 12:39:22 -0400; No, Will should have said "for minimum distortion at 1 KW PEP input and class B service at 2500 Volts, the maximum plate current at single tone ..." There is no indication that 1KW PEP class B produc; /archives//html/Amps/2006-06/msg00514.html (11,211 bytes)
52. Re: [Amps] IM distortion and such (score: 1): Author: "Administrator" <amps@myrealbox.com>; Date: Tue, 27 Jun 2006 12:59:31 -0400; This is not the place to debate state licensing laws or their application to business. You are treading on areas that have been the subject of arguments between licensed Engineers (mostly Civil Engin; /archives//html/Amps/2006-06/msg00515.html (23,609 bytes)
53. Re: [Amps] IM distortion and such (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Tue, 27 Jun 2006 14:22:53 -0400; Single tone carrier level has absolutely nothing to do with operation in a different set of conditions such as two-tone modulation at a different anode voltage, bias, and power level. You are readin; /archives//html/Amps/2006-06/msg00518.html (10,384 bytes)
54. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 12:39:21 -0400; Joe, Yes, I fully understand this. The Ameritron amp is not a class B amp either. I didn't see a listing included in the PDF for a class AB if I recall. It should be better operating in class AB. The; /archives//html/Amps/2006-06/msg00522.html (12,447 bytes)
55. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 13:56:53 -0400; I agree, and have heard the same thing about this now in federal court. I would not have responded at all except to let folks know what I was told and have read about the law so they don't get in tro; /archives//html/Amps/2006-06/msg00523.html (25,717 bytes)
56. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 13:51:47 -0400; There's no way to tell when you leave [Amps] in the subject line. When you get individual mails back as I do, everyones e-mail address in in the From line, not from Amps. The only way to send one pri; /archives//html/Amps/2006-06/msg00524.html (22,746 bytes)
57. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 14:44:18 -0400; Tom, No, your not showing everything I said. It does in fact mention "Two-Tone DC Plate Current 280 mA" It lists it in the same place with two different currents that would cause the same result (wit; /archives//html/Amps/2006-06/msg00525.html (12,952 bytes)
58. Re: [Amps] IM distortion and such (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 27 Jun 2006 16:37:30 -0400; It's in the PDF file that was posted by someone earlier. There was nothing in it though about class AB RF amp operation. http://www.mif.pg.gda.pl/homepages/frank/sheets/088/3/3-500Z.pdf Best, Will **; /archives//html/Amps/2006-06/msg00526.html (12,821 bytes)
59. Re: [Amps] IM distortion and such (score: 1): Author: R L Measures <r@somis.org>; Date: Tue, 27 Jun 2006 13:11:23 -0700; As I see it, no matter what kind of modulation one is trying to amplify, at the point when an incremental increase in input no longer increases output (which call the transfer function) by the same f; /archives//html/Amps/2006-06/msg00527.html (12,420 bytes)
60. Re: [Amps] IM distortion and such (score: 1): Author: R L Measures <r@somis.org>; Date: Tue, 27 Jun 2006 13:28:13 -0700; Class B has zero ZSAG. Class AB2's ZSAG is typically 20% of I-anode max. For Producing IMD, Class B is the queen bee. R L MEASURES, AG6K. 805-386-3734 r@somis.org ____________________________________; /archives//html/Amps/2006-06/msg00528.html (12,009 bytes)

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