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Which 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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