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1. [Amps] Diode Bias Strings (score: 1): Author: w6frmarv@dslextreme.com (Marv Gonsior); Date: Thu, 18 Jul 2002 22:26:10 -0700; I would like to ask the proponents of series rectifier diode strings if they have ever measured the developed bias between the minimum and full power conditions? I've done it with a Henry 3K Classic; /archives//html/Amps/2002-07/msg00309.html (7,850 bytes)
2. [Amps] Diode Bias Strings (score: 1): Author: g0ruz@btinternet.com (Conrad G0RUZ); Date: Fri, 19 Jul 2002 11:11:58 +0100; I would like to ask the proponents of series rectifier diode strings if they have ever measured the developed bias between the minimum and full power conditions? I've done it with a Henry 3K Classic; /archives//html/Amps/2002-07/msg00311.html (8,977 bytes)
3. [Amps] Diode Bias Strings (score: 1): Author: 2@vc.net (2); Date: Fri, 19 Jul 2002 08:01:38 -0700; The Semtecc diode string in question appears to be a 10 diode unit. Yes. 6V sounded a bit high, so this morning I tested a 1n5408/3A diode for fwd V-drop using 8877-sized currents, assuming a ZSAC of; /archives//html/Amps/2002-07/msg00318.html (8,922 bytes)
4. [Amps] Diode Bias Strings (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 19 Jul 2002 08:16:31 -0700; /archives//html/Amps/2002-07/msg00321.html (8,977 bytes)
5. [Amps] Diode Bias Strings (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 19 Jul 2002 08:40:04 -0700; /archives//html/Amps/2002-07/msg00323.html (8,758 bytes)
6. [Amps] Diode Bias Strings (score: 1): Author: 2@vc.net (2); Date: Fri, 19 Jul 2002 11:06:41 -0700; ** At this QTH, the hotter the junction gets, the lower the Vf. Try some espresso. go - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-07/msg00330.html (9,179 bytes)
7. [Amps] Diode Bias Strings (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 19 Jul 2002 11:26:04 -0700; Yep, the standard tempco of an ordinary rectifier is negative! Geesh. However, there are exceptions, such as zeners, which have a positive tempco, and 6.2V LVAs which have zero tempco, etc. I'm reall; /archives//html/Amps/2002-07/msg00333.html (10,629 bytes)
8. [Amps] Diode Bias Strings (score: 1): Author: w6frmarv@dslextreme.com (Marv Gonsior); Date: Fri, 19 Jul 2002 14:09:03 -0700; -- StripMime Report -- processed MIME parts -- multipart/alternative text/plain (text body -- kept) text/html --; /archives//html/Amps/2002-07/msg00337.html (11,084 bytes)
9. [Amps] Diode Bias Strings (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 19 Jul 2002 14:27:45 -0700; I'm not sure what this is all about, but the Semtech diode string used 3A diodes internally, having Vf = 1V/cell @ 3A and about .8V/cell at 1A, so there were a variety made using different qtys of ce; /archives//html/Amps/2002-07/msg00338.html (12,839 bytes)
10. [Amps] Diode Bias Strings (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Fri, 19 Jul 2002 14:42:47 -0700; Hi Marv, The Semtech rectifiers have higher than the usual ".6V" Vf, by design, because they use what's called a suprataxial junction structure made like a sandwich, using two slices if silicon per d; /archives//html/Amps/2002-07/msg00340.html (8,340 bytes)
11. [Amps] Diode Bias Strings (score: 1): Author: 2@vc.net (2); Date: Fri, 19 Jul 2002 18:08:33 -0700; It's about examining the claim of 6v variation in Vf with a 0.1A to 1.2A change. cheers, Steve - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2002-07/msg00346.html (7,237 bytes)

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