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Copper Mountain Technologies VNA
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TELCO:
Hello to all,

Is anybody here using or have experience with the Copper Mountain Technologies Vector Network Analyzers? Specially for use in RF applications such as filters, duplexers, antennas, coax feedlines, attenuators. I am currently using the CMT TR1300/1 two port VNA and it has performed better than we expected (I am in no way associated with them other than just another happy customer).

Looking forward to comments.

Peter  :) :-+ 8)
Colt45:
They seem to work at least as well as 80's HP boatanchors IME, though my use of them has been pretty limited... sweeping amps, cables, etc.
paul@yahrprobert.com:
We used those analyzers in an RF tester product and got them do do what we wanted.  As I recall there were a few "learning curves" with the software.  Ours were running in an NI PXIe chassis with a windows 10 controller.  The VNA was controlled by a piece of Copper Mountain software running on Windows, and we sent SCPI commands to the Windows software to control the VNA. The tester was to operate in a corporate environment where keeping the windows version up to date was mandatory, so the chance of that chain of software staying viable for 10 years was virtually nil.
   As far as the VNA performance was concerned it was good enough for us.  I'm pretty sure the dynamic range of that unit doesn't compare with real, expensive, standalone VNA's, so caveat emptor there.
virtualparticles:
The dynamic range of the TR1300 is 130 dB which is actually better than a certain "E" series VNA. The performance of the CMT VNAs are every bit as good as those made by the other guys. The ISO-17025 lab in Indianapolis, certified to 50 GHz, can attest to the performance of the gear and provide uncertainties traceable to NIST. The "expensive standalone" VNAs are simply more expensive and the embedded OS is an IT nightmare. These days everyone has a laptop computer. Why not run sweeps on your own laptop and save the data? Running back and forth between the VNA and your office with a flash drive is just silly.
joeqsmith:
Good to see you back Brian. 
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