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Total 84 documents matching your query.

1. [AMPS] Solid State Amps (score: 1): Author: yoshis@nisiq.net (Yoshi); Date: Mon, 1 Feb 1999 10:52:04 +0900; Hello Merv, My friend is VL-1000 user and he said it can 1200W output on CW with 200V power source. I heard VL-1000 and IC-PW1 are using the same power transistor. Generally speaking in JA only deci; /archives//html/Amps/1999-01/msg00001.html (7,350 bytes)
2. [AMPS] Solid State Amps (score: 1): Author: k9fd@htc.net (Merv Schweigert); Date: Fri, 29 Jan 1999 19:58:10 -0600; Looking for info on the Yaesu VL-1000 and the Icom IC-PW1. Does anyone have one and what are the impressions, how loud are they, how dependable, actual power output, etc etc. Appreciate any first han; /archives//html/Amps/1999-01/msg00587.html (6,922 bytes)
3. [AMPS] Solid State Amps (score: 1): Author: andywallace@home.com (Andy Wallace); Date: Sat, 30 Jan 1999 08:36:18 -0600; Merv-- I have an ICOM 4KL that I got a good deal on used. It puts out 1000 watts and I have had no interference or dependability problems. The thing is fully automatic, including amp band tuning and; /archives//html/Amps/1999-01/msg00595.html (7,886 bytes)
4. [AMPS] Solid State Amps (score: 1): Author: w1ksz@juno.com (RICHARD W SOLOMON); Date: Thu, 4 Jun 1998 18:27:45 -0400; Take a look at the FinnFet line of amps, 600, 1000 and 2500 watt models. They have a web site, and they are not cheap. 73, Dick, W1KSZ ________________________________________________________________; /archives//html/Amps/1998-06/msg00059.html (6,798 bytes)
5. [AMPS] Solid State Amps (score: 1): Author: ke1fo@contesting.com (Alfred J. Frugoli); Date: Sat, 14 Mar 1998 22:14:14 -0500; I would like info on people's experience building broadband, legal limit, HF amplifiers. I've never done a project of this caliber before, but am looking into it for maybe next winter. I know there a; /archives//html/Amps/1998-03/msg00292.html (6,878 bytes)
6. [AMPS] Solid State Amps (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 15 Mar 98 08:05:42 -0800; If you had one, you would still need a plethora of Chebyshev tuned bandpass filters at the output to meet fcc spurious emission suppression specs. There is no such thing as a fcc-legal HF amplifier; /archives//html/Amps/1998-03/msg00298.html (7,513 bytes)
7. [AMPS] Solid State amps (score: 1): Author: thompson@mindspring.com (David L. Thompson); Date: Sat, 29 Mar 1997 13:35:23 -0500 (EST); Technology is is place to build solid state 1.5KW amps. It has been since the early 80's when QST published an article on an all band 1KW amp (1982). Another amp the "SSKW" was published in QST about; /archives//html/Amps/1997-03/msg00304.html (8,715 bytes)
8. [AMPS] Solid State amps (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 29 Mar 1997 18:42:16 EST; Technology maybe but completely impratical then Dave. building The first real attempt in ham literature to use FET's if I recollect. and talked about the Mirage attempt (they did sell a few 50W in 80; /archives//html/Amps/1997-03/msg00312.html (11,012 bytes)
9. [AMPS] Solid State amps (score: 1): Author: tacoll@ix.netcom.com (tacoll@ix.netcom.com); Date: Sun, 30 Mar 1997 00:51:33 +0000; <SNIP> No, the two part QST article in the early 80's used Motorola MRF-150s, which are FETs. <SNIP> 50V and 100V (or higher) devices will give you better IMD products. Years ago, I worked for a com; /archives//html/Amps/1997-03/msg00314.html (11,554 bytes)
10. [AMPS] Solid State amps (score: 1): Author: ni6t@scruznet.com (Garry & Yelena); Date: Sat, 29 Mar 1997 19:22:11 -1000; In fact, a series of solid-state amps is now marketed by Pekka Kolehmainen, OH1RY under the name FinnFET. These are the amps Martti has been using, and I think there were several at the recent C21BH; /archives//html/Amps/1997-03/msg00319.html (8,214 bytes)
11. [AMPS] Solid State amps (score: 1): Author: wrt@eskimo.com (Bill Turner); Date: Mon, 31 Mar 1997 01:45:06 GMT; <snip> -- Switching supplies are great when they work right, but I'm always reminded of a comment someone made when they were first coming out: "A switching power supply is always one microsecond awa; /archives//html/Amps/1997-03/msg00345.html (7,543 bytes)
12. [Amps] Solid State Amps (score: 1): Author: "Georgens, Tom" <tom.georgens@engenio.com>; Date: Mon, 6 Dec 2004 14:58:51 -0800; Hello - I am interested in constructing a KW+ solid state amp and am interested in sources of information and readers opinions in the following areas 1. Is it really feasible/reliable? 2. The CCI mod; /archives//html/Amps/2004-12/msg00119.html (6,717 bytes)
13. Re: [Amps] Solid State Amps (score: 1): Author: Mike <k4gmh@arrl.net>; Date: Tue, 07 Dec 2004 13:06:37 -0500; Hello, Please post on the reflector as others also are interested in the same topic. I'm going to have to build an amp. (another for the SO2R position). A solid state amp would be very efficient by n; /archives//html/Amps/2004-12/msg00124.html (8,336 bytes)
14. [Amps] Solid state amps (score: 1): Author: Steve Thompson <g8gsq@ic24.net>; Date: Fri, 7 Jan 2005 14:38:08 +0000; An article that might be of interest to any prospective builders: By Helge Granberg, published in QST dec '82 and Jan '83. 'Mosfet RF Power: An Update'. I have a poor quality photocopy which I can ma; /archives//html/Amps/2005-01/msg00095.html (6,504 bytes)
15. Re: [Amps] Solid state amps (score: 1): Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>; Date: Fri, 7 Jan 2005 16:24:48 +0100; Is somebody with the ARRL-view CD-ROM for the period, willing to share these articles with the rest of us? I need them badly as we (our club OZ6FRS) are working on a very similar project, using low-c; /archives//html/Amps/2005-01/msg00096.html (8,329 bytes)
16. Re: [Amps] Solid state amps (score: 1): Author: "Winfried Kriegl" <dk9ip@gmx.de>; Date: Fri, 7 Jan 2005 17:55:18 +0100 (MET); Look at http://dk9ip.ba-karlsruhe.de/pdf/mosfetpa for the Granberg article with 2 x MRF154. The file name is AR347300Sharp.pdf 73 Win DK9IP/KH7CD -- +++ GMX - die erste Adresse für Mail, Message; /archives//html/Amps/2005-01/msg00097.html (9,319 bytes)
17. Re: [Amps] Solid state amps (score: 1): Author: Steve Thompson <g8gsq@ic24.net>; Date: Fri, 7 Jan 2005 17:01:53 +0000; That's an interesting amplifier (compare it with pictures of Finnfet amps) but it's not the same one as the QST article. There are no filter or control circuit designs either. 73, Steve _____________; /archives//html/Amps/2005-01/msg00098.html (7,458 bytes)
18. [Amps] Solid state amps (score: 1): Author: Will Matney <craxd1@ezwv.com>; Date: Fri, 07 Jan 2005 12:55:38 -0500; Steve, Motorola did publish one which was high power in the Motorola RF device handbook. The thing had several push-pull modules made around a rectangular looking heatsink with these modules mounted; /archives//html/Amps/2005-01/msg00100.html (6,937 bytes)
19. Re: [Amps] Solid state amps (score: 1): Author: Dan K9ZF <n9rla@yahoo.com>; Date: Fri, 07 Jan 2005 16:50:45 -0500; Is it just me, or is building solid state amps 'cost prohibitive'? Mechanically, it would seem a lot easier to build solid state, but the power fets just seem way too expensive. For example, I just r; /archives//html/Amps/2005-01/msg00104.html (8,155 bytes)
20. Re: [Amps] Solid state amps (score: 1): Author: "DF3KV" <df3kv@aol.com>; Date: Fri, 7 Jan 2005 23:21:14 +0100; the the power you do not need expensive mosfets for a linear and a big power supply, Overhere linears with about 30-40 cheap hexfets IRF-820 etc are quite popular, supplied by a transformerless switc; /archives//html/Amps/2005-01/msg00106.html (8,582 bytes)

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