Microwave ovens are everywhere, and at the heart of them is a magnetron — a device that creates microwaves. [DiodeGoneWild] tore one apart to show us what was inside and how it works.

The cavity magnetron is a power RF oscillator device ... and it lies at the heart of a domestic microwave oven. They usually need a high-voltage mains transformer and a rectifier to work, but ...

The magnetron is relatively expensive to replace, so it may be worth replacing the microwave if the magnetron has gone out, especially if it’s an older unit. If after troubleshooting the ...