"artie" wrote in message
...
In article .com,
john w. wrote:

Looking for suggestions / construction articles on how to make a "poor
man's network analyzer" for the HF frequency range by using either an
I/Q demodulator chip or else a precision phase & gain measuring chip
like the AD8302.

I would swear that I had seen an article on this topic someplace, about
a year ago. But I've lost the article, and I just spent several hours
of fruitless Internet searching.

Thanx in Advance! john w.


Vector network analyzer:

http://www.tapr.org/kits_vna.html?PH...75d27069f2 44
0fa7

Or, if you can't hack fine-pitch boards, you can buy it assembled and
tested: ($655)

http://radio.tentec.com/Amateur/vna
Not as good as the Agilent box I have in the lab, but the Agilent box
costs more than my car...

--
Namaste--

And not nearly as good as the N2PK VNA:
http://users.adelphia.net/~n2pk/

W4OP