- 1. [Amps] QSK switching time (score: 1)
- Author: "k5jv" <k5jv@kingwoodcable.com>
- Date: Fri, 18 Dec 2009 11:56:22 -0600
- Greetings to all, I would like to share a great discussion that I was evolved in this morning on an 80 meter net about QSK, with some of my own comments. The basic argument is that because PIN diodes
- /archives//html/Amps/2009-12/msg00440.html (9,318 bytes)
- 2. Re: [Amps] QSK switching time (score: 1)
- Author: "Paul Christensen" <w9ac@arrl.net>
- Date: Fri, 18 Dec 2009 13:06:53 -0500
- Lon, One factor oftentimes neglected when reporting diode-switched, QSK performance is the degree of IMD product produced. For example, the Alpha 86 had approximately 10-15 dB worse 3rd order IMD tha
- /archives//html/Amps/2009-12/msg00441.html (11,753 bytes)
- 3. Re: [Amps] QSK switching time (score: 1)
- Author: "Carl" <km1h@jeremy.mv.com>
- Date: Fri, 18 Dec 2009 13:12:50 -0500
- Which boards are you referring to and what are the specific changes? I tried a 1500W QSK unit ages ago that was a piece of crap and have stayed far away since. Id want one that can run cool and relia
- /archives//html/Amps/2009-12/msg00442.html (11,531 bytes)
- 4. Re: [Amps] QSK switching time (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Fri, 18 Dec 2009 14:15:50 -0500
- The problem with Alpha and some of the others is that the diodes are not operated with FORWARD bias when in the "on" state. This creates momentary crossover distortion on each RF cycle. In order for
- /archives//html/Amps/2009-12/msg00449.html (14,556 bytes)
- 5. Re: [Amps] QSK switching time (score: 1)
- Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
- Date: Fri, 18 Dec 2009 11:35:21 -0800
- ORIGINAL MESSAGE: REPLY: I've never heard of "reversing the SWR". Could you please explain? 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http:/
- /archives//html/Amps/2009-12/msg00452.html (7,475 bytes)
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