[TowerTalk] CM Choke

[Jim Brown]

On 10/11/2017 6:46 AM, Wes Stewart wrote:
> With a decent vector network analyzer, the ports are already 
> well-known (50 Ohm) terminations.  If the round robin you mention was 
> in the July 2007 time frame then I was a party and measured the device 
> using both my N2PK VNA and a Boonton RX meter.  I have pictures of the 
> setups, but alas can't find the data.  I got some feedback that you 
> said of my measurements, that they were "dead nuts on." :-)

Hi Wes,

Yes, that's the round robin I was referring to. Although my memory of it 
was that the Boonton data was spot on, while other data was not. But 
since you did it, I'll trust your memory over mine. :)

If your VNA data did closely match the Boonton data, we should talk off 
list about your setup of the N2PK VNA, which is well known to be a fine 
unit.  I certainly would like a method I can trust that is a lot less 
work than the voltage divider method.

73, Jim