The Amp Hour

The Amp Hour #731 - E&M Reality Emerges with Robert Fennis 20.08.2026 1:22:07 ↓

Robert Fennis joins Chris to demystify the black magic of RF and talk about his open-source, Python-based 3D electromagnetic solver, EMerge. They discuss why simulation is like building a pyramid of knowledge, how silk screen can completely de-tune a patch antenna, and Robert's quest to build the "IKEA of FEM solvers" so hardware developers everywhere can simulate their designs without relying on...

The Amp Hour #730 - The Focus Knob Works 05.08.2026 55:01 ↓

Dave and Chris celebrate 16 years of the show (1st episode was August 10th, 2010) by launching a brand-new static website featuring searchable transcripts and a "pissed-old amber" SVG scope with a working focus knob--and links to merch!. They also discuss Dave's new employee, 10 cent RISC-V debuggers, and why naming your startup after an un-Googleable Australian cryptid is a bad move

The Amp Hour #729 - The Terahertz Frontier with Greg Charvat of Teradar 22.07.2026 1:20:42 ↓

Dr Greg Charvat, CTO and co-founder of Teradar, joins Chris for a 5th appearance on The Amp Hour to talk about how terahertz frequency radar will revolutionize the automotive space and far outstrips the capabilities of LIDAR and Blobbology

The Amp Hour #728 - Space Age Bluetooth with Alex Haro 09.07.2026 1:06:55 ↓

Alex Haro, CEO of Hubble, joins Chris to talk about building a network of terrestrial and space (!) based Bluetooth infrastructure to track low power devices across the globe, without a data plan or a GPS module onboard.

The Amp Hour #726 - Arduino's Invisible Touch with Massimo Banzi 17.06.2026 1:10:54 ↓

Massimo Banzi is co-founder and figurehead of Arduino, the worldwide community built upon easily accessible embedded hardware. He joins Chris to talk about the design, rise, struggles, and eventual exit of the company, and what he's now doing with Supermoderno.

The Amp Hour 725 - The Secret Life of Circuits with lcamtuf / Michał Zalewski 04.06.2026 59:56 ↓

Michał Zalewski (lcamtuf) is a security researcher, author, electronics enthusiast, and calculator collector. He joins Chris to talk about his new book The Secret Life of Circuits and his interest in the field of electronics and explaining things to others.

The Amp Hour #724 - All Heat, No Useful Work 25.05.2026 1:05:24 ↓

Dave and Chris discuss the infrastructure and massive energy demands of AI data centers, injecting power through a programming header, Linux changes, and dogfooding your own projects.

The Amp Hour #719 - Inventing the Power MOSFET with Alex Lidow 20.03.2026 1:05:43 ↓

Alex is founder and CEO of Efficient Power Conversion, a leading manufacurer of GaN MOSFET's. Alex is also the inventor of the original Power MOSFET and HEXFET at International Rectifier. Also, former CEO of International Rectifier (founded by his father!),  https://epc-co.com We cover everything from inventing the power MOSFET on his first day on the job to silicon physics, AI data centres and hu...