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Analysis of a Multivibrator


Snowdon, Stanley Cooper (1943) Analysis of a Multivibrator. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/qw7h-h089.


A theoretical analysis of the action of a fundamental multivibrator has been undertaken along the lines of Van der Pol's analysis. A more exact approximation to the transfer characteristic has been used and an exact solution of the equations has been found in the case where the shunt capacities of the tube can be neglected. The analytical solution then allows one to localize the type of distortion in the "square wave" output and to suggest better circuits for the production of rectangular waves. Experimentally several circuits are presented in which the ultimate limit to the "squareness" of the square waves is limited only by the shunt capacities of the tubes.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:(Physics)
Degree Grantor:California Institute of Technology
Division:Physics, Mathematics and Astronomy
Major Option:Physics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Unknown, Unknown
Thesis Committee:
  • Unknown, Unknown
Defense Date:1943
Record Number:CaltechTHESIS:10312023-175118368
Persistent URL:
Related URLs:
URLURL TypeDescription ItemVan der Pol. Philosophical Magazine, vol. 2, pp. 978-992 (1926)
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:16221
Deposited By: Kathy Johnson
Deposited On:31 Oct 2023 17:59
Last Modified:31 Oct 2023 19:18

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