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Microwave rectification using quartz by Slobodnik, Andrew James, Jr., is a nonfiction available to read on EtoBox.

What is Microwave rectification using quartz about?

The linear and nonlinear behavior of a thin piezoelectric quartz disk under microwave-frequency excitation is considered both theoretically and experimentally. A theory developed for X-cut quartz predicts the generation of a dc electric field and a corresponding dc voltage across the disk, owing to second-order coefficients in the piezoelectric constitutive relations. These second-order coefficients are assumed to be the dominant nonlinearities of the system. Temperature effects are neglected. Microwave acoustic resonances corresponding to high harmonics of the fundamental elastic standing wave were observed for X-cut and AC-cut quartz disks, in excellent agreement with the linear theory. Equivalent-circuit methods for description and measurement of these resonances are given. An equivalent circuit describing the nonlinear dc behavior of the disk derived for a simple model. This circuit consists of a voltage source in series with a capacitance. The open-circuit voltage is a product of the second-order coefficients and the square of the magnitude of the applied electric displacement field, and is in addition dependent on the applied microwave frequency. With a simple model used for

Who reads Microwave rectification using quartz?

Author

Slobodnik, Andrew James, Jr.,

Publisher

Air Force Cambridge Research Laboratories, Office of Aerospace Research, United States Air Force, 1967.

Published

1967

Language

EN

Category

nonfiction