A crystal oven is a simple enough device — essentially just a small box containing a crystal oscillator and a thermostatic ... The one in question is a 10 MHz part on a small PCB with power ...
His recent video shows a crystal oscillator with a “watch crystal ... Since some designs rely on the unbuffered behavior, certain parts remain unbuffered and have a “UB” suffix.
The crystal oscillator is enclosed in a temperature-controlled ... This improvement was enabled in large part by the miniaturization of the oven and the stress compensated (SC) cut crystal unit.