As an alternative to the 2N5109 preamps, last year I acquired a set of HiZ preamps to use on my YCCC 9 Circle array elements. They work exceptionally well and exhibit a lower noise figure that I expe
Allow me to clarify my post. I was referring to the high impedance amplifiers at the vertical elements, not the 2N5109 preamp used sometimes post combiner. 73 Joel W5ZN I mentioned this solely for in
There seems to be some confusion about. Let me explain the significance of Joel's comment about the high impedance amplifiers. I have developed new versions of the Hi-Z amplifiers I use in the Hi-Z a
Author: Henk Remijn PA5KT via Topband <topband@contesting.com>
Date: Wed, 4 Mar 2020 09:13:49 +0100
I think it is more interesting for the Topband community that you publish your design and let the people build their own. 73 Henk PA5KT Op 4-3-2020 om 01:31 schreef Lee STRAHAN: There seems to be som
Hello Henk and others, I can surely see your point about how interesting that would be to share all the circuit details. However you would have to understand that what you propose is exactly what I d
73 Henk PA5KT I'll let Lee speak for his own design, however here are some alternate design resources that you can freely download: A military design: https://www.dst.defence.gov.au/sites/default/fil
I would like to amplify what Lee said. About 10 years ago I published an article in the National Contest Journal on a receiving loop design (that's me on the cover :-). I offered to sell unloaded PC
Author: Henk Remijn PA5KT via Topband <topband@contesting.com>
Date: Wed, 4 Mar 2020 20:49:24 +0100
Hi Lee, Thanks for the extensive answer. I did not realize that people expect support from someone who shares his ideas on the web. Now I understand your choice of using a commercial partner. I like