S-parameter test sets

what is the most common impedance used with S-parameter test sets - 50 or 75 Ohms? my guess would be 50 Ohms, based on no knowledge whatsoever.

what would be the pros and cons of one vs the other?

I am looking at buying one for my 200MHz HP3577 network analyser

Cheers
Terry
.

Relevant Pages

  • Re: S-parameter test sets
    ... >what is the most common impedance used with S-parameter test sets - 50 ... my guess would be 50 Ohms, ... I'm content with my N2PK network analyzer. ...
    (sci.electronics.design)
  • Re: S-parameter test sets
    ... my guess would be 50 Ohms, based on no knowledge whatsoever. ... measurements. ... I made extensive use of the trace math capability of the ...
    (sci.electronics.design)
  • Re: Make your own hardline?
    ... There is an apocryphal story that 50 ohms started out as a common impedance ... for coax because that happened to be the number that came out using common ...
    (rec.radio.amateur.antenna)