USE OF ELECTROACOUSTIC EFFECTS FOR MAKING MULTIFUNCTION CONTROL DEVICES.

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作者：
Gurevich, G.L.
Logan, A.L.
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Radio Engineering and Electronic Physics (English translation of Radiotekhnika i Elektronika) | 1974年 / 19卷 / 09期
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摘要：
The possibility of using the nonlinear interaction of acoustic vibrations with a drifting plasma in a semiconductor for making a multifunction device which is simultaneously a converter of electrical signals into acoustic, a mixer, an intermediate-frequency amplifier and a controllable optimum filter is examined. The dependence of the amplitude-frequency characteristics of the device on the electrophysical constants of the piezoelectric and semiconductor, the geometry of the interdigital system and the control voltage is found in a one-dimensional approximation. The possibility of obtaining a negative input admittance for the system at the signal frequency is discussed.
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页码：79 / 84
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