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