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61. [AMPS] Re: (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 27 Jul 1999 16:49:15 -0400; SWR error is minimized if you know how to use the meter Rich. You read reflected power near full scale using the proper slug, and subtract reflected power from forward. The result is the actual powe; /archives//html/Amps/1999-07/msg00545.html (9,746 bytes)
62. [AMPS] Re: (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 27 Jul 1999 16:49:15 -0400; Hi Peter, I'm afraid I've lost sight of the entire argument. I understand now that this is one of what the ITU and IEC adopted to define peak envelope power, rather than what can be used to measure p; /archives//html/Amps/1999-07/msg00546.html (10,092 bytes)
63. [AMPS] Re: (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 27 Jul 1999 15:22:38 -0700; ? We are measuring power into a 50-ohm termination, Tom. ? I don't believe that its all that simple. ? and? Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://w; /archives//html/Amps/1999-07/msg00548.html (9,893 bytes)
64. [AMPS] Re: (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 27 Jul 1999 20:09:38 -0400; Hi Rich, You are, I am not. Some of my antennas are real close to 50 ohms, some are not. You can look at the problem two ways. As a circuit problem, or as reflected waves. Either way works. As a circ; /archives//html/Amps/1999-07/msg00549.html (11,254 bytes)
65. [AMPS] Re: (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Wed, 28 Jul 1999 09:41:29 +0100; Hi Tom, I guess my objection is to taking a technical term that has a definition and then simplifying without (as Ian ended up doing) ensuring that the simplification and the situation of its applica; /archives//html/Amps/1999-07/msg00554.html (9,380 bytes)
66. [AMPS] Re: (score: 1): Author: Maurizio Panicara" <i4jmy@iol.it (Maurizio Panicara); Date: Wed, 28 Jul 1999 14:16:45 +0200; At least theorically speaking, who measures is supposed to know what is the nature of the parameter is checking like if he had to built his own meter. Nowadays it's extremely rare the case were a lab; /archives//html/Amps/1999-07/msg00556.html (9,931 bytes)
67. [AMPS] Re: (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 28 Jul 1999 07:11:51 -0700; ? I agree that one must guarantee measures accuracy. ciao, Mauri Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions:; /archives//html/Amps/1999-07/msg00559.html (10,242 bytes)
68. [AMPS] Re: (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 28 Jul 1999 11:18:52 -0400; That's right Peter. I fully agree. If you are using a wider bandwidth due to amplitude changing rapidly, the meter has to be designed to respond to the more rapidly changing envelope. That's why we c; /archives//html/Amps/1999-07/msg00563.html (10,051 bytes)
69. [AMPS] Re: (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 28 Jul 1999 10:30:59 -0700; ? Tom: The fly in the ointment is the peak detector. You can not calibrate a peak detector with a bomb-calorimeter. In college physics lab, the bomb-calorimeter I used took close to a minute to sett; /archives//html/Amps/1999-07/msg00568.html (9,468 bytes)
70. [AMPS] Re: (score: 1): Author: amps@txrx.demon.co.uk (Steve Thompson); Date: Wed, 28 Jul 1999 22:09:29 +0100; --Original Message-- From: Peter Chadwick <Peter_Chadwick@mitel.com> To: 'G3SEK' <g3sek@ifwtech.demon.co.uk>; 'amps' <amps@contesting.com>; Peter Chadwick <Peter_Chadwick@mitel.com>; 'W8JI@contesting; /archives//html/Amps/1999-07/msg00604.html (7,879 bytes)
71. [AMPS] Re: (score: 1): Author: User312627@aol.com (User312627@aol.com); Date: Thu, 29 Jul 1999 11:07:21 EDT; I have another book, the one I received with my Bird 43P THRULINE It says on page 50: Accuracy...........CW mode + or - 5% of full scale. PEP mode + or - 8% of full scale. Be of Good Cheer, Bill KB7Y; /archives//html/Amps/1999-07/msg00611.html (7,613 bytes)
72. [AMPS] Re: (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 9 Jun 1999 19:18:33 -0700; ? farewell, Jess Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amp; /archives//html/Amps/1999-06/msg00323.html (6,645 bytes)
73. [AMPS] Re: (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 9 Mar 1999 09:41:18 +0000; Yes-yes-yes PLEASE! In many countries outside of the USA, we have to pay by the second for e-mail downloads. The biggest single offender is actually the mailing list itself! Please can the listowners; /archives//html/Amps/1999-03/msg00183.html (7,374 bytes)
74. [AMPS] RE: (score: 1): Author: W8IK@ibm.net (Joe Subich, W8IK/4); Date: Mon, 8 Feb 1999 19:24:07 -0500; Add to that the McMartin transmitter (forgot the model number ... it's been > 20 years) with the 8877 driven by a 4CX250 and a similar CCA transmitter. I suspect a great majority of the class A FM s; /archives//html/Amps/1999-02/msg00256.html (7,669 bytes)
75. [AMPS] Re: (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 11 Oct 98 15:40:16 -0800; Late production: average Mu = approx.130, 4000v, 0.4A, 4.75 to 5.25 volts on filament. limit fil. inrush to 28A. - later, Tomas Rich... R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures --; /archives//html/Amps/1998-10/msg00110.html (6,686 bytes)
76. [AMPS] Re: (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 30 Oct 1998 04:03:28 -0800; Two of my pals built DAF's. They called 'em Class C linear amplifiers. Instead of 60 percent efficiency, the efficiency was allegedly 75 to 80 percent. They used tetrodes. The grids were driven well; /archives//html/Amps/1998-10/msg00497.html (7,289 bytes)
77. [AMPS] Re: (score: 1): Author: jono@webspun.com (Jon Ogden); Date: Wed, 17 Jun 98 08:51:57 -0500; I think the two anode circuit resonances that Rich is trying to explain are: 1.) The resonance created by the parasitic supressor inductor 2.) The resonance created by the parasitic supressor resist; /archives//html/Amps/1998-06/msg00181.html (8,137 bytes)
78. [AMPS] Re: (score: 1): Author: ggeurts@amp.com (Geurts, Gerard); Date: Wed, 17 Jun 1998 15:16:58 +0100; Resistors don't create resonances No, suppressors are there to prevent resonances, not to create them Some of us wonder if Rich understands himself what he is trying to say Cheers Gerard M0AIU / AA3; /archives//html/Amps/1998-06/msg00182.html (8,440 bytes)
79. [AMPS] Re: (score: 1): Author: jono@webspun.com (Jon Ogden); Date: Wed, 17 Jun 98 09:28:03 -0500; Boy, oh boy. I thought we'd been through this before: 1.) A resistor has inductance 2.) This inductance is created by the resistive material as well as lead lengths 3.) Therefore it is also an induc; /archives//html/Amps/1998-06/msg00183.html (8,118 bytes)
80. [AMPS] Re: (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 17 Jun 98 10:08:36 -0800; I agree, Gerard. In this case, the suppressor resistor is connected in series with an existing resonant circuit -- i.e., the anode-C, the anode lead's total L plus the net X of the Tune-C, plus the; /archives//html/Amps/1998-06/msg00190.html (9,418 bytes)

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