Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+Clipperton\s+L\s+\-\s+GI\-7B\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+Clipperton\s+L\s+\-\s+GI\-7B\s*$/: 10 ]

Total 10 documents matching your query.

1. [Amps] Clipperton L - GI-7B (score: 1): Author: Roger Parsons via Amps <amps@contesting.com>; Date: Fri, 12 Feb 2021 20:28:45 +0000 (UTC); I have been occupying myself during this lock-down rebuilding an old Clipperton L. This came without tubes so I have modified it to take a pair of GI-7Bs. It seems to work quite well and even looks p; /archives//html/Amps/2021-02/msg00003.html (7,934 bytes)
2. Re: [Amps] Clipperton L - GI-7B (score: 1): Author: "Peter Voelpel" <dj7ww@t-online.de>; Date: Fri, 12 Feb 2021 23:35:04 +0100; In my opinion -26dB IP3 is terrible with qro, probably acceptable with qrp. 73 Peter, DJ7WW Apparently the measured IP3 was -26dB relative to either one of two tones which corresponds to -32dB relati; /archives//html/Amps/2021-02/msg00004.html (7,336 bytes)
3. Re: [Amps] Clipperton L - GI-7B (score: 1): Author: Jeff Blaine <KeepWalking188@ac0c.com>; Date: Fri, 12 Feb 2021 19:55:05 -0600; Maybe for SSB. Just fine for CW & RTTY. 73/jeff/ac0c alpha-charlie-zero-charlie www.ac0c.com 73 Peter, DJ7WW Apparently the measured IP3 was -26dB relative to either one of two tones which correspon; /archives//html/Amps/2021-02/msg00007.html (7,885 bytes)
4. Re: [Amps] Clipperton L - GI-7B (score: 1): Author: Roger Parsons via Amps <amps@contesting.com>; Date: Sat, 13 Feb 2021 01:58:02 +0000 (UTC); 'In my opinion -26dB IP3 is terrible with qro, probably acceptable with qrp.' I fear that I must disagree with you Peter. -26dB IP3 measured compared to either of two tones is equivalent to -32dB mea; /archives//html/Amps/2021-02/msg00008.html (8,026 bytes)
5. Re: [Amps] Clipperton L - GI-7B (score: 1): Author: Aleksandar Petkovic <vk6apk@bigpond.com>; Date: Sat, 13 Feb 2021 10:45:02 +0800; Do we know that the original 4 x 572B tubes were any better than that? 73, Alek, VK6APK. 73 Peter, DJ7WW Apparently the measured IP3 was -26dB relative to either one of two tones which corresponds to; /archives//html/Amps/2021-02/msg00009.html (8,169 bytes)
6. [Amps] Clipperton L - GI-7B (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 13 Feb 2021 07:51:00 -0800; pep out. The ANAN 7000 / 8000 is a lousy -30 db pep ( IMD3 ) with pure signal disconnected. On most of these SS xcvrs , when power output is reduced, the IMD drops like a rock. A TS-850 is -30 db PE; /archives//html/Amps/2021-02/msg00011.html (7,920 bytes)
7. [Amps] Clipperton L - GI-7B (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Sat, 13 Feb 2021 10:39:23 -0600; There's nothing wrong with trying to achieve a better IMD spec. than the minimally acceptable ham radio level. It is fine and laudable to have a goal that is consistent with professional standards. T; /archives//html/Amps/2021-02/msg00013.html (8,526 bytes)
8. Re: [Amps] Clipperton L - GI-7B (score: 1): Author: "Joe Subich, W4TV" <lists@subich.com>; Date: Sat, 13 Feb 2021 14:03:03 -0500; 100 watts pep out. The ANAN 7000 / 8000 is a lousy -30 db pep (IMD3 ) with pure signal disconnected. On most of these SS xcvrs , when power output is reduced, the IMD drops like a rock. A TS-850 is -; /archives//html/Amps/2021-02/msg00017.html (10,387 bytes)
9. [Amps] Clipperton L - GI-7B (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Tue, 23 Feb 2021 09:10:35 -0800; <All of this is a result of using output devices rated for saturated <power output at 12 Volts. If one looks at the spec sheets for all <of the devices used in the mentioned transceivers, *IF* the sp; /archives//html/Amps/2021-02/msg00033.html (9,465 bytes)
10. Re: [Amps] Clipperton L - GI-7B (score: 1): Author: Chris Wilson <chris@chriswilson.tv>; Date: Wed, 3 Mar 2021 14:47:17 +0000; Hello Jim, Tuesday, February 23, 2021 Have any schematics and / or build details been published for home build HF band VDMOS amps? This sounds the way forward, better matching to the ubiquitous 50 Oh; /archives//html/Amps/2021-03/msg00000.html (9,182 bytes)

Current List: 1 - 10
Page: [1]