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← ScienceWhich outcome results when thermal insulation degrades around an electronic oscillator's crystal?
A)Frequency drift exceeds design tolerance✓
B)Decreased power consumption from instability
C)Reduced susceptibility to phase noise
D)Harmonic distortion decreases at resonance
💡 Explanation
Frequency drift occurs because thermal insulation degradation increases component temperature variation; increased temperature causes a dimensional change due to thermal expansion which impacts its oscillating frequency. Therefore operating frequency drifts, rather than improving stability because changes are uncontrolled.
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