What are the hard disk interfaces?

On 2022-06-08 10:38:31  in Question

What are the hard disk interfaces?

This article describes the characteristics of the interfaces. ...

The structure and properties of quartz crystal elements

On 2018-11-03 13:39:16  in Question

The structure and properties of quartz crystal elements

The quartz crystal element is composed of a quartz wafer,a wafer bracket and a case.The role of the quartz crystal element in the circuit is equivalent to a high Q value LC resonant element ...