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Total 109 documents matching your query.

101. [AMPS] Shunt regulated high voltage psu (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Tue, 29 Jan 2002 08:03:38 -0000; I can visualise a scenario where the control circuit is pulling the gate down because the o/p voltage is too high. Depending on the design, it might pull to almost ground via a resistor, maybe it's o; /archives//html/Amps/2002-01/msg00361.html (12,024 bytes)
102. [AMPS] Shunt regulated high voltage psu (score: 1): Author: Peter.Chadwick@zarlink.com (Peter Chadwick); Date: Thu, 31 Jan 2002 13:19:33 -0000; A lot depends on whether you go for a conventional transformer in which energy is transferred through the core, or a transmission line transformer where the core has a common mode suppression functio; /archives//html/Amps/2002-01/msg00367.html (9,364 bytes)
103. [AMPS] Shunt regulated high voltage psu (score: 1): Author: 2@mail.vcnet.com (rich); Date: Thu, 31 Jan 2002 05:23:24 -0800; To: <amps@contesting.com> Excellent point, Steve. For largish tetrodes that require a pass-regulator scrren supply, I choose a screen PS transformer that delivers slightly more than the max rated sc; /archives//html/Amps/2002-01/msg00368.html (11,469 bytes)
104. [AMPS] Shunt regulated high voltage psu (score: 1): Author: 2@mail.vcnet.com (rich); Date: Thu, 31 Jan 2002 05:23:26 -0800; "The lady doeth protest too much methinks." (*Hamlet*, Act VIII) The rub is the claim that simple zener shunt regulation of the screen causes IMD. My experience has been that designing a _satisfacto; /archives//html/Amps/2002-01/msg00369.html (10,595 bytes)
105. [AMPS] Shunt regulated high voltage psu (score: 1): Author: 2@mail.vcnet.com (rich); Date: Thu, 31 Jan 2002 06:15:30 -0800; are // It's a transmission-line wound on a Mu=40, 61mm ferrite toroid. Unlike (lower-Mu) powdered iron, (higher-Mu) ferrite has the tradeoff of being subject to saturation above a finite number of W; /archives//html/Amps/2002-01/msg00370.html (9,657 bytes)
106. [AMPS] Shunt regulated high voltage psu (score: 1): Author: Ian White, G3SEK" <g3sek@ifwtech.com (Ian White, G3SEK); Date: Thu, 31 Jan 2002 14:33:35 +0000; I don't quote the figures because they're almost embarrassingly good. The output regulation, hum and noise are all typically below 100mV - a 4-1/2 digit DVM doesn't flicker between no load and full l; /archives//html/Amps/2002-01/msg00375.html (9,129 bytes)
107. [AMPS] Shunt regulated high voltage psu (score: 1): Author: wy6k@yahoo.com (Michael Watts); Date: Thu, 31 Jan 2002 09:37:23 -0800 (PST); Some guy (or guys) keep complaining about replys on the reflector that include the text of the prior message - ostensibly because it costs more to download. I want to disagree with this and encourage; /archives//html/Amps/2002-01/msg00381.html (9,980 bytes)
108. [AMPS] Shunt regulated high voltage psu (score: 1): Author: 2@mail.vcnet.com (rich); Date: Thu, 31 Jan 2002 09:39:15 -0800; Agreed. The 723-based positive floating regulator in Figure 8 on my web site regulates so well that I could not detect any drop at 1400v out on my Fluke 3.5 digit DMM. The sticky-wicket with the 723; /archives//html/Amps/2002-01/msg00382.html (9,663 bytes)
109. [AMPS] Shunt regulated high voltage psu (score: 1): Author: 2@mail.vcnet.com (rich); Date: Thu, 31 Jan 2002 09:50:08 -0800; Amen the thread, it // I get by with a 28.8k modem. cheers, Michael - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps; /archives//html/Amps/2002-01/msg00385.html (9,307 bytes)

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