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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+Tuned\s+Input\,\s+what\s+me\s+worry\s*$/: 20 ]

Total 20 documents matching your query.

1. [AMPS] Tuned Input, what me worry (score: 1): Author: Peter.Chadwick@zarlink.com (Peter Chadwick); Date: Thu, 11 Oct 2001 08:04:14 +0100; Rich asked: of The 30S1 with the 4CX1000 certainly did, and I'm pretty sure the 30L1 did in its amateur form, too. But the 30L1 was used for the whole HF range (mainly by the US military - who said C; /archives//html/Amps/2001-10/msg00282.html (8,318 bytes)
2. [AMPS] Tuned Input, what me worry (score: 1): Author: 2@vc.net (2); Date: Tue, 9 Oct 2001 12:09:07 -0700; // As I recall, the 5-band Collins 30L-1 recommended a certain length of input coax. Does anyone have info on this? // Good point. However 20 - 30 ft. of RG-58/U seems to work ok, has less attenuati; /archives//html/Amps/2001-10/msg00245.html (8,787 bytes)
3. [AMPS] Tuned Input, what me worry (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Tue, 9 Oct 2001 19:08:29 +0100; --Original Message-- From: Steve Katz <stevek@jmr.com> To: 'Steve Thompson' <g8gsq@qsl.net> Cc: amps@contesting.com <amps@contesting.com> To: <amps@contesting.com> Date: 09 October 2001 18:53 Subject; /archives//html/Amps/2001-10/msg00239.html (8,381 bytes)
4. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 11:05:26 -0700; [Steve Katz] :: Might do, but if not, try another 1000' -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Proble; /archives//html/Amps/2001-10/msg00241.html (8,818 bytes)
5. [AMPS] Tuned Input, what me worry (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Tue, 9 Oct 2001 18:53:55 +0100; --Original Message-- From: Steve Katz <stevek@jmr.com> To: 'Steve Thompson' <g8gsq@qsl.net> Cc: 'amps@contesting.com' <amps@contesting.com> To: <amps@contesting.com> Date: 09 October 2001 15:35 Subje; /archives//html/Amps/2001-10/msg00236.html (8,791 bytes)
6. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 10:45:05 -0700; Yep, I've also used RG188 (.100" TFE), very inexpensive surplus and lots of loss. RG142 and RG400 can handle a few kW and are quite lossy, makes the perfect antenna matcher. Simply install 1000' of i; /archives//html/Amps/2001-10/msg00237.html (9,858 bytes)
7. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 08:24:37 -0700; Hi Rich, I didn't mean to imply the RG58 needs to be cut to a magic length. Just use a lot of it...an infinite length would create a perfect match to the exciter, wouldn't it? And BTW I was only kidd; /archives//html/Amps/2001-10/msg00232.html (12,527 bytes)
8. [AMPS] Tuned Input, what me worry (score: 1): Author: 2@vc.net (2); Date: Tue, 9 Oct 2001 08:24:35 -0700; In my experiences, a longer length of RG-58/U seems to decrease input SWR of G-G amplifiers. However, there is no, single, magic length of coax for the nine HF amateur radio bands. The simplist solu; /archives//html/Amps/2001-10/msg00231.html (11,401 bytes)
9. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 07:28:37 -0700; Rather than build resistive pads, which involves calculating and soldering, it's easier to just coil up a bunch of RG58/U and cut it to the right length for the attenuation needed; then, open a beer; /archives//html/Amps/2001-10/msg00227.html (10,428 bytes)
10. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Tue, 9 Oct 2001 07:27:02 -0700; The problem, Peter, is that to make a good, timely amplifier requires good, timely beer. The projects you've started and not completed were undoubtedly started whilst sober, the worst possible situat; /archives//html/Amps/2001-10/msg00226.html (10,173 bytes)
11. [AMPS] Tuned Input, what me worry (score: 1): Author: Peter.Chadwick@zarlink.com (Peter Chadwick); Date: Tue, 9 Oct 2001 07:58:03 +0100; According to Pappenfus et al., the tank circuit plus the feed cable plus the output network of the driver should be of such length as to make the driver for a g-g stage appear as a constant voltage s; /archives//html/Amps/2001-10/msg00219.html (10,661 bytes)
12. [AMPS] Tuned Input, what me worry (score: 1): Author: g8gsq@qsl.net (Steve Thompson); Date: Tue, 9 Oct 2001 07:48:10 +0100; Nonono, beer first! Anyway, a 1dB pad provides a 2dB improvement - drive power goes through the pad, some or all gets reflected, goes through the pad again before the driver sees it. With 3 dB pad, y; /archives//html/Amps/2001-10/msg00215.html (9,166 bytes)
13. [AMPS] Tuned Input, what me worry (score: 1): Author: Peter.Chadwick@zarlink.com (Peter Chadwick); Date: Tue, 9 Oct 2001 07:31:10 +0100; A good 'beer' doesn't. In the 16 and 1700's it was common, as country landowner, to 'lay down' a barrel of strong 'ale' on the birth of one's first son, to be broached by all the tenants of the estat; /archives//html/Amps/2001-10/msg00216.html (9,140 bytes)
14. [AMPS] Tuned Input, what me worry (score: 1): Author: 2@vc.net (2); Date: Mon, 8 Oct 2001 19:47:59 -0700; Not if one uses the CT on swamper. - R. L. Measures, 805.386.3734, AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative; /archives//html/Amps/2001-10/msg00204.html (8,625 bytes)
15. [AMPS] Tuned Input, what me worry (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Mon, 8 Oct 2001 18:59:06 -0700; On Tue, 9 Oct 2001 11:53:53 +1300 "Barry Kirkwood" <bjk@ihug.co.nz> writes: Hi Barry, March ''79 Ham Radio, page 48. Note that there are a couple of printing goofs in the schematic -- the two caps in; /archives//html/Amps/2001-10/msg00199.html (9,509 bytes)
16. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 8 Oct 2001 16:06:50 -0700; The best U.S. beers come from microbreweries who don't add any chems, but they don't export and the beer "expires" pretty quickly. It's best to grab it out of the fermentation tank and tap right into; /archives//html/Amps/2001-10/msg00197.html (12,761 bytes)
17. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 8 Oct 2001 16:03:39 -0700; For sure, Ron, I've used passive input (swamping) on lots of amps, too. The early ETO/Alpha amps, like my 374, has passive, swamped-input to a trio of 8874's. The old National NCL-2000 was passive in; /archives//html/Amps/2001-10/msg00196.html (9,068 bytes)
18. [AMPS] Tuned Input, what me worry (score: 1): Author: bjk@ihug.co.nz (Barry Kirkwood); Date: Tue, 9 Oct 2001 11:53:53 +1300; This is a multi-part message in MIME format. --=_NextPart_000_087A_01C150B9.1155EBE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I seem to remember the; /archives//html/Amps/2001-10/msg00193.html (14,073 bytes)
19. [AMPS] Tuned Input, what me worry (score: 1): Author: stevek@jmr.com (Steve Katz); Date: Mon, 8 Oct 2001 15:52:33 -0700; Ron, doesn't a 1dB pad only provide 1dB of impedance stabilization? Think about it, and then have a beer. I'll have one, too! "Hang loose," as they say there... WB2WIK/6 "Each success only buys an ad; /archives//html/Amps/2001-10/msg00194.html (10,168 bytes)
20. [AMPS] Tuned Input, what me worry (score: 1): Author: KG6DV@cs.com (KG6DV@cs.com); Date: Mon, 8 Oct 2001 18:49:56 EDT; --part1_47.121111d9.28f38794_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit There is a lot of discussion lately on how to design a proper tuned input .... that; /archives//html/Amps/2001-10/msg00192.html (10,890 bytes)

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