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Total 9 documents matching your query.

1. [AMPS] Re: QRO QSK (score: 1): Author: royanjoy@ncn.net (Roy Koeppe); Date: Sat, 17 Apr 1999 12:20:42 -0500; provide a drawing?<<<< Mike, The full skinny is in January, 1985 Ham Radio, beginning on page 82: "High Power RF Switching With PIN Diodes" by J. R. Sheller, PhD, KN8Z. So far, I think this is the '; /archives//html/Amps/1999-04/msg00323.html (7,630 bytes)
2. [AMPS] Re: QRO QSK (score: 1): Author: royanjoy@ncn.net (Roy Koeppe); Date: Sat, 17 Apr 1999 12:34:06 -0500; Did I offend the dentists or the post hole diggers? K6XK -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Pro; /archives//html/Amps/1999-04/msg00324.html (7,303 bytes)
3. [AMPS] Re: QRO QSK (score: 1): Author: royanjoy@ncn.net (Roy Koeppe); Date: Sat, 17 Apr 1999 12:37:34 -0500; Roy, Is he the designer of the QSK 1500? Yes, I'm pretty sure. Roy K6XK -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@con; /archives//html/Amps/1999-04/msg00325.html (7,336 bytes)
4. [AMPS] Re: QRO QSK (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 17 Apr 1999 16:10:53 -0400; On Sat, 17 Apr 1999 12:20:42 -0500 "Roy Koeppe" <royanjoy@ncn.net> writes: The QSK-1500 has been panned for years in contest and DX magazines. Of course many will always survive when run by the book.; /archives//html/Amps/1999-04/msg00330.html (8,587 bytes)
5. [AMPS] Re: QRO QSK (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Tue, 20 Apr 1999 13:04:24 +0100; If you want to handle the worst case of an infinite VSWR at 1500 watts, then your PIN diode switch needs to handle 15.5 amps peak of RF at the lowest frequency in use. Similarly, it needs to be able; /archives//html/Amps/1999-04/msg00356.html (8,653 bytes)
6. [AMPS] Re: QRO QSK (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 20 Apr 1999 06:52:39 -0700; ? I have never seen a PIN diode with that much piv. ? and then there is the matter of dealing with lightning discharges in the neighborhood. I had a 5000v doorknob capacitor short from a lightning d; /archives//html/Amps/1999-04/msg00359.html (9,551 bytes)
7. [AMPS] Re: QRO QSK (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Tue, 20 Apr 1999 16:16:27 +0100; No, neither have I - 1200 volts is the highest I've seen - but you can series the things with equalising resistors. Not that such diodes are cheap. needed push-to-talk I think you mean "the contacts; /archives//html/Amps/1999-04/msg00360.html (9,905 bytes)
8. [AMPS] Re: QRO QSK (score: 1): Author: sm3uzs@telia.com (J Nordin); Date: Tue, 20 Apr 1999 19:53:35 +0200; For thoose of you interested in QRO QSK at VHF THere is an interesting´construction at http://ham.te.hik.se/homepage/sm5bsz/pindiode.htm Cheap components but needs some space.... Haven`t tried; /archives//html/Amps/1999-04/msg00362.html (7,574 bytes)
9. [AMPS] Re: QRO QSK (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 20 Apr 1999 12:01:08 -0700; ? Some throw the feedline out the window. 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 Adm; /archives//html/Amps/1999-04/msg00364.html (8,464 bytes)

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