In this video, Brian Walker from Copper Mountain Technologies showcases how to perform accurate 75 ohm measurements using a 50 ohm VNA. He walks viewers through the calibration process with a 75 ohm calibration kit, demonstrating how to use mechanical converters and L-pad matching to successfully measure a 75 ohm system even with a 50 ohm setup. Brian also explains the key differences between 50 ohm and 75 ohm connectors, and the impact of choosing mechanical adapters or L-pads for more precise return loss and transmission measurements. Whether you’re working with N-connectors or F-connectors, this video serves as a valuable guide for anyone converting 50 ohm measurements to 75 ohms for accurate system analysis.

Brian also dives into calibration techniques, highlighting the use of mechanical adapters and L-pad converters to optimize results. He compares the performance of 75 ohm cables with 50 ohm test cables, stressing the importance of connector compatibility and understanding frequency considerations for real-world applications. This video is an essential resource for professionals working with 75 ohm systems, offering practical insights for achieving accurate results even when using a 50 ohm VNA.