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Total 11 documents matching your query.

1. [AMPS] Solid State 1kw amp (score: 1): Author: DAVED@ctilidar.com (Dave D'Epagnier); Date: Tue, 2 Jun 1998 12:50:39 -0600; I'm intrigued by the prospect of not having to fuss with tuning every time I change frequencies and especially not having to obnoxiously tune up on the air. So, I'm looking into designing and buildin; /archives//html/Amps/1998-06/msg00023.html (8,275 bytes)
2. [AMPS] Solid State 1kw amp (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 2 Jun 98 12:13:58 -0800; Unless you have a 50 plus or minus j zero ohm DC to light antenna, you are gonna have to fuss with an antenna tuner as you move about, Dave. . . If hams had been using solid state linear amplifiers; /archives//html/Amps/1998-06/msg00025.html (9,076 bytes)
3. [AMPS] Solid State 1kw amp (score: 1): Author: Doug Person" <w4dxv@ibm.net (Doug Person); Date: Tue, 2 Jun 1998 15:20:08 -0400; Hi Dave: A while back I had a solid-state amp with a brand name of TransWorld. I'm not sure what it was rated at but I could get 1000 watts PEP out on 40 meters and 750 to 800 on 20. Sorry I let it g; /archives//html/Amps/1998-06/msg00026.html (8,226 bytes)
4. [AMPS] Solid State 1kw amp (score: 1): Author: DAVED@ctilidar.com (Dave D'Epagnier); Date: Tue, 2 Jun 1998 14:09:11 -0600; Not necessarily. Most solid state amplifiers can operate into a 2:1 vswr or less with no problems. This means no tuning for me. I doubt it. Considering the fact that most tube amps have to be tuned; /archives//html/Amps/1998-06/msg00027.html (9,263 bytes)
5. [AMPS] Solid State 1kw amp (score: 1): Author: amps@txrx.demon.co.uk (Steve Thompson); Date: Tue, 2 Jun 1998 21:06:34 +0100; There is a Motorola application note by Helge Granberg describing such an amp. (sorry, not in the office to look up the number) - CCI might do some of the parts in kit form. Steve -- FAQ on WWW: http; /archives//html/Amps/1998-06/msg00028.html (8,614 bytes)
6. [AMPS] Solid State 1kw amp (score: 1): Author: davek@medphys.ucl.ac.uk (Dave Kirkby); Date: Wed, 03 Jun 1998 12:02:02 +0100; You probably know this, but Motorola have produced lots of application notes on using their devices for this sort of application. Eg AN758, 'A Two Stage 1kW Solid-State Linear Amplifier'. This uses 8; /archives//html/Amps/1998-06/msg00037.html (9,195 bytes)
7. [AMPS] Solid State 1kw amp (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 3 Jun 98 08:18:57 -0800; Indeed, David. To produce 1500 watts out with solid-state devices at 28MHz, one needs a 3000 or more watts DC supply. Pulling this off at under 50vdc, is hardly a piece of cake. Rich... R. L. Measur; /archives//html/Amps/1998-06/msg00041.html (9,488 bytes)
8. [AMPS] Solid State 1kw amp (score: 1): Author: w4eto@rmii.com (Richard W. Ehrhorn); Date: Tue, 2 Jun 1998 15:12:47 -0600; Hi Dave... ...snip... > of interest is possibly a broadband tube amp design requiring no tuning on the HF ham bands, any input is appreciated. Thousands of ALPHA 374, 374A and 78 amps (up to 24 years; /archives//html/Amps/1998-06/msg00043.html (8,605 bytes)
9. [AMPS] Solid State 1kw amp (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Wed, 3 Jun 1998 20:12:32 -0700; Hi Dave and the group, Indeed Motorola application notes have been of great benefit to builders of solid state HF amps (VHF too). What you need to ask for is the "RF Device Data" (DL110) book. Get th; /archives//html/Amps/1998-06/msg00050.html (10,851 bytes)
10. [AMPS] Solid State 1kw amp (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Wed, 3 Jun 1998 21:30:38 -0700; Well now I couldn't resist commenting after the last commercial. For example, it was just mentioned that "ALPHA 374, 374A and 78 amps (up to 24 years old now) are out there on the hf bands doing exac; /archives//html/Amps/1998-06/msg00052.html (11,749 bytes)
11. [AMPS] Solid State 1kw amp (score: 1): Author: jono@webspun.com (Jon Ogden); Date: Thu, 4 Jun 98 09:00:43 -0500; <snip> <snip> Sounds like we have a battle of the commercial powerhouses going on! Amazing how far it's gotten from the original topic! :-) 73, Jon KE9NA -- Jon Ogden jono@webspun.com www.qsl.net/ke; /archives//html/Amps/1998-06/msg00058.html (8,115 bytes)

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