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Total 45 documents matching your query.

41. Re: Topband: Beverage height issues (score: 1)
Author: "Steve Flood" <flood@ixi.net>
Date: Thu, 11 Jan 2007 16:04:47 -0700
My own personal experience with beverage experiments has been disappointing - at my QTH of course. I tried on two occassions to string a beverage about 1000 feet toward EU. My circumstances dictated
/archives//html/Topband/2007-01/msg00234.html (9,143 bytes)

42. Topband: Binocular cores for 2N5109 preamp (score: 1)
Author: "Steve Flood" <flood@ixi.net>
Date: Tue, 16 Jan 2007 06:06:00 -0700
Having built a few of the 2N5109 push-pull preamps, I'm now wondering how to use the BN-73-202 binocular core for the transformers rather than the 43 toroids. It appears that Tom W8JI uses these in a
/archives//html/Topband/2007-01/msg00289.html (6,704 bytes)

43. Topband: Norton preamp (score: 1)
Author: "Steve Flood" <flood@ixi.net>
Date: Sat, 20 Jan 2007 08:18:04 -0700
Has anyone tried one of these preamp designs? I cannot make sense of the use of the extremely hi-mu FT-50-75 cores in this design. http://www.kongsfjord.no/dl/Amplifiers/Ultralinear%202N5109%20And%20
/archives//html/Topband/2007-01/msg00332.html (6,571 bytes)

44. Re: Topband: Norton preamp (score: 1)
Author: "Steve Flood" <flood@ixi.net>
Date: Sat, 20 Jan 2007 13:50:53 -0700
might need a very high-mu core. Thanks for all the feedback everyone. I guess what I have trouble understanding with the transformers is that if we are talking about a 50-ohm system, it has been my
/archives//html/Topband/2007-01/msg00341.html (7,893 bytes)

45. Topband: 160 RX lash-up (score: 1)
Author: "Steve Flood" <flood@ixi.net>
Date: Mon, 5 Nov 2007 16:53:16 -0700
I am enclosing my various 160 RX devices into a single metal enclosure. I have a 2N5109 push-pull preamp, a variable attenuator pad, and a caeur bandpass filter. Each are built on a copper board. I a
/archives//html/Topband/2007-11/msg00019.html (6,609 bytes)


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