To test this kind of items, you have to play with DC-blocks and bias-tees. Rather tedious but necessary. I know as at times I have to test questionable GPS antennae that return after lightning strikes.
On Fri, Oct 12, 2012 at 1:09 AM, paul swed <[email protected]> wrote: > Magnus what would the possibility be of measuring an 8 way satellite > splitter? The $7 wonders with dc pass through. That looks like a very nice > network analyzer you have. > Regards > Paul > WB8TSL > > On Thu, Oct 11, 2012 at 7:05 PM, Magnus Danielson < > [email protected]> wrote: > > > On 10/12/2012 12:16 AM, Azelio Boriani wrote: > > > >> Please take care that the S14WI is "smart": if it doesn't sense a DC > >> current on the antenna port then it reports that to the user ports and I > >> think it can even power off the internal amplifier, this can account for > >> the observed loss instead of the gain. > >> > > > > I did consider this. but did not have the time and energy to follow that > > up at the time. It was only when I got home that I could dig up the > > datasheet and manual of the S14WI. Didn't want to fry it in the lab. > > > > I rather do an incomplete lab quick and safe. I reports warts and all. > > > > I'll see if I get time to re-do it tomorrow. > > > > Regardless, I want to get things going. More people than me should be > able > > to do this. > > > > > > Cheers, > > Magnus > > > > ______________________________**_________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to https://www.febo.com/cgi-bin/** > > mailman/listinfo/time-nuts< > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
