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Vibration-induced PM Noise in Oscillators and Studies of Correlation ...

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ρ<br />

α =<br />

Signal Multipath Effect from Impedance<br />

Mismatch, Dielectric Distortion, etc.<br />

Vt () = Acos[ ω t−α]<br />

( C / β )cos( pt / 2)<br />

−1<br />

0 0<br />

tan<br />

1 − ( C0 / β )s<strong>in</strong>( pt0<br />

/2)<br />

0<br />

1.46x10 Γ=<br />

g<br />

rms<br />

−10<br />

<strong>in</strong> the worst case.<br />

C0 is an <strong>in</strong>f<strong>in</strong>ite series <strong>in</strong>volv<strong>in</strong>g the coefficient <strong>of</strong><br />

reflection ρ. The quantity α represents a lagg<strong>in</strong>g<br />

phase error that depends upon the modulation<br />

<strong>in</strong>dex β . In the worst case, a reflected signal <strong>of</strong><br />

equal strength makes ρ equal to one-half the<br />

phase lag <strong>of</strong> the reflected signal.<br />

,

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