Enter the oven controlled crystal oscillator, or OCXO. These do basically what it says on the tin, but what’s inside them? [Kerry Wong] took apart a vintage Toyocom TCO-627VC 10 MHz OCXO ...

So what do you use something like this for? The idea is simple. A high-quality crystal (or rubidium) oscillator is disciplined to agree with the timing signals from GPS or another type of ...