[time-nuts] GPS active antenna delay ?

Jim Lux jimlux at earthlink.net
Thu Feb 19 14:26:17 UTC 2015


On 2/19/15 1:59 AM, Attila Kinali wrote:
> On Thu, 19 Feb 2015 10:51:04 +0100
> Attila Kinali <attila at kinali.ch> wrote:
>
>
>> When i had one on my desk, i opened it up, but apparently i forgot to take
>> pictures. From what i remember, i think it works either similar to the
>> VNWA design done by DG8SAQ[1,2] or by N2PK[3]. The tinyVNA can only do
>> S11 and S12, lacking the additional source at the second port.
>
> Correction, a little bit of googling brought up [1] (sorry, mostly german).
> The discussion contains top[2], bottom[3] pictures and the block diagram[4]

Thanks..
I can read the German, so that's ok.
I just have to look up some of the part numbers.




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