On Thu, Nov 24, 2022 at 05:47 PM, Paul M3VUV wrote:
measured the resistance on the s11 port on my vna ... it read 49 ohms ... is that normal ... ?
All RF devices have input and output resistance of 50 ¦¸ - unless you're in the TV business (they have 75 ¦¸) - otherwise youi'll get reflections (bad SWR).
Martin
Ho-Ro