Topband: Misek/Lankford Phaser 2 Project

[Harald Rester]

Looks interesting. Does anybody has this system running (e.g. with two 
mini-whip antennas) and can provide more experiences?

73, Harry, DH1NBE

Am 13.03.2020 um 00:29 schrieb Mikek:
>   I'll stick my neck out and suggest Dallas Lankford's '2 FET amp'.
>  He designed it for phased loop antennas for the MW band.
>  I believe it will work to at least to 9 MHz and maybe to 30 MHz.
> The specs High input Z, ~100 ohm output Z. He lists input intercepts:
> IIP2 = ~ +88dbm and IIP3 = ~+41dbm in the MW band.
>  The webpage has some noise measurements on pages 3, 4, and 5 that
> were over my head.
>
>
>   This page has more than just his amp but enough so you can
> understand it.
>  If anyone has an interest, I have some more files in my computer.
>
>
>> https://www.okdxf.eu/lankford/Hi%20Z%20PPL%20Loop%20And%20Flag%20Arrays.pdf
>>
>
> I have a plan to put a matching transformer and a Hi Z amp on my
> antenna with relay switching,
> so I can do a real A, B, comparison. If you have any advice on
> implementing that or advice about
> common mode filtering, I'm listening. Better relay suggestions would
> be appreciated.
>
>                                                  Mikek KF4ITA
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