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← ScienceWhich detrimental outcome occurs when a piezoelectric crystal oscillator nears its resonant frequency?
A)Crystal lattice mechanical fracture
B)Capacitance-induced frequency detuning✓
C)Inverse piezoelectric voltage collapse
D)Increased dielectric insulation resistance
💡 Explanation
Capacitance-induced frequency detuning occurs, because the Motional Capacitance within the crystal oscillator becomes dominant, altering the resonant frequency. Therefore, the output signal drifts, rather than amplifying oscillation at the original specified frequency.
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