# Title: Why Do I Need a Vector Network Analyser?


## Author: John Legg


## Description: 
A switched mode power supply (SMPS) is a type of power supply that uses switching technology to con...


## URL: https://thedebugstore.com/blogs/tech-tips/why-do-i-need-a-vector-network-analyser


## Metafields 

- description_tag: Learn how a vector network analyser (VNA) can improve the performance of your switched mode power supply. Measure stability, efficiency, and EMC with a VNA. Find out now! We explain why a Vector Network Analyser (VNA) is essential when designing a switch-mode power supply to optimize its performance and EMC profile.