Term: Motional Capacticance (C1) and Motional Inductance (L1)

Definition: The motional capacitance and inductance are designated by C1 and L1. For a “Series” resonant crystal, the value of C1 resonates with the value of L1 at a frequency (FS).

Typically, L1 is not mentioned when working with most crystals. Due to this absolute equation, it is only necessary to specify one motional component or the other. The industry standard is to specify a proper value of C1 only. The actual value of C1 has physical limitations when it is realized in a quartz crystal design. These constraints include the mode of operation, the quartz cut, the mechanical design, and the nominal frequency of the crystal.

 

 

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