Yale University

PHYS 381/504: Op. amps., quartz resonators, and noise

Introduction
Johnson Noise
Macroscopic Derivation
Microscopic Derivation
Install and Test the Optical Amplifier
Install the Tuning Fork
Welcome to LabView
Tune out the Package Capacitance
Gather Data
Load the Driven Circuit Data
Fit the Driven Circuit Data
Find Circuit Characteristics from this Fit
Analyze the Undriven Circuit from Characteristics
Final Results
References
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Yale Graduate School
Yale University

Andrew Pariser, December 2005
modified S.M., January 2006

© 2006 Yale University, New Haven, Connecticut 06520

Final Results Summary

Grober's Results

R = 0.494 MΩ
L = 20.5 kHz
C = 1.14 fF
Q = 8552

Actual Undriven Peak of -107 dBV

1 Volt Driven Circuit Results

R = 1.279 MΩ
L = 114 kH
C = 0.206 fF
Q = 18369

Predicted Undriven Peak: -94.8 dBV

5 Volt Driven Circuit Results

R = 1.028 MΩ
L = 103 kH
C = 0.216 fF
Q = 21898

Predicted Undriven Peak -80.3 dBV

      

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