From 6G to quantum computing and AI: How a 1950s invention shapes tech giants of today and tomorrow

Ever wondered what makes your smartphone, satellite, or self-driving car function flawlessly? Meet an unsung hero behind it all: the Vector Network Analyzer (VNA). This 75-year-old technology was invented by Rohde & Schwarz pioneers and is an invisible enabler of RF engineering. In this episode, we unravel its journey from analog labs to AI-driven precision, and why it’s more vital now than ever. **Explore with us** - The Birth of a Game-Changer: How the Z-g-Diagraph pioneered Smith chart visualization in 1950 - Everyday Tech, Supercharged: Why to rely on VNAs to test 12M+ smartphone filters per week - Beyond the Lab: About a surprising application in astrophysics to explore black holes - Future-proof innovations: How VNAs adapt to quantum computing, terahertz tech, and AI-driven systems - Culture check: What drives Rohde & Schwarz engineers to continuously push technological boundaries **Our guest** - Michael Fischlein, Vice President Spectrum & Network Analyzers, EMC and Antenna Test Equipment at Rohde & Schwarz, shares firsthand insights into how VNAs have quietly shaped 75 years of innovation, from radar systems to tomorrow’s quantum breakthroughs. **Our hosts** - Markus Haller, Rohde & Schwarz - Inga Müller-Siedentopp, Rohde & Schwarz **Our topics** Vector Network Analyzer (VNA), test and measurement, wireless communications, component testing, mass production, 5G, quantum computing, 6G, Rohde & Schwarz, RF testing, RF engineering, automotive radar, satellite tech, astrophysics, AI-driven systems, terahertz communication **Join the conversation** Do you have suggestions? What topics are you interested in? We look forward to your email at [email protected] **Deep dive** [Find out more about the history of 75 years of vector network analyzers](https://www.rohde-schwarz.com/products/test-and-measurement/analyzers/network-analyzers/75-years-vna_258255.html?bid=2707286) [Discover the full Rohde & Schwarz vector network analyzer portfolio](https://www.rohde-schwarz.com/products/test-and-measurement/network-analyzers_64043.html) [Watch this video learn when to use an LCR meter vs a VNA](https://www.youtube.com/watch?v=PahPyzaZv2g) **Even more Rohde & Schwarz to listen to** [SIGNALS - The Defense Podcast | Rohde & Schwarz](https://www.rohde-schwarz.com/us/solutions/aerospace-and-defense/multi-domain/signals-defense-podcast_257904.html) **About us** Rohde & Schwarz is striving for a safer and connected world with its leading-edge solutions. Committed to innovation for more than 90 years, the independent technology group acts long-term and sustainably, making it a reliable partner to its industry and government customers worldwide. [www.rohde-schwarz.com](https://www.rohde-schwarz.com/)