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Re: Measuring switch isolation Re: [nanovna-users] Connect VNA thru tuner to antenna


 

On Fri, Jun 16, 2023 at 07:51 AM, Jim Lux wrote:


typically quite frequency dependent for switches
This is true of most switch topologies. Another frequency-dependent characteristic of mechanical switches which can crop up during testing, especially in the microwave region, is resonances from unterminated switch ports. Always terminate all unconnected ports when trying to measure switches.
73, Don N2VGU.

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