Question
Draw and explain the equivalent LCR resonant circuit of an oscillating crystal. A crystal has and
. Calculate its series resonant frequency. What is the effect of the crystal thickness on its frequency?
Answer :
Word Count : 257
The equivalent circuit of an oscillating crystal is represented by a series LCR branch in parallel with a capacitance (C_0) which accounts for the holder capacitance. The series branch consists of: * (L): Motional inductance representing the inertia of the crystal. * (C): Motional capacitance representing the elasticity of the crystal. * (R): Motional resistance representing the energy loss in the crystal. The circuit _________ ____ _____ ___ ____ __________ _______ _______ ________ ___ ___ _________.
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The equivalent circuit of an oscillating crystal is represented by a series LCR branch in parallel with a capacitance (C_0) which accounts for the holder capacitance. The series branch consists of: * (L): Motional inductance representing the inertia of the crystal. * (C): Motional capacitance representing the elasticity of the crystal. * (R): Motional resistance representing the energy loss in the crystal. The circuit _________ ____ _____ ___ ____ __________ _______ _______ ________ ___ ___ _________.
________ ______ _____ _________ _____ ____ ____ ________ _________ ______.
__________ __________ _____ _______ ____ ___ ____ _____ ___ __________ _____ ____.
______ _________ _______ _______ ______ ___ ______ ___ _______.
________ ____ ___ ___ ______.
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