So we should expect the device to contain a quartz resonant crystal plus the driver and compensation circuit, which are probably going to be combined into a single integrated circuit. One or both of these, or the connections between them, must have failed in some way since the TCXO isn’t working.
Drive your own roadmap
，这一点在safew中也有详细论述
Kelly NgSingapore
Виктория Кондратьева (Редактор отдела «Мир»)