[time-nuts] Test Equipment

[Gerhard Hoffmann]

Lux, Jim (337C) wrote:
> What frequency ranges?
> If you are interested in <60MHz, then something like the TenTec TAPR VNA
> ($600) connects to a PC or a mac.  Works as a signal generator and as a 2
> port VNA.
>
>   
Or this one:
http://groups.yahoo.com/group/VNWA/
(DG8SAQ)

Excellent to 500 MHz, quite usable to 1300 MHz.
Does 6 or 12 term error correction, most of this VNA is software.
I'm just using one to tune a 100 MHz oscillator with opened loop.   :-)

The only drawback is that one cannot measure compression
because the absolute levels vary over f.

But then it can embed / de-embed, virtual match, display the Q
and equivalent circuit of a crystal from S11 measurement,
L, C, time gating and and and.

regards, Gerhard  DK4XP