Development of Fluidic Amplifiers with High Gain and Excellent Frequency Characteristics

概要

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Two and three stage amplifiers in which the main jets of the first and the second stages act upon the main jet of the next stage directly without transmission line were developed as analogue amplifiers with high gain and excellent frequency characteristics. The measurements of their characteristics were carried out by measuring the flow gains. The frequency characteristics were determined by measuring the flow gains. The frequency characteristics were measured by flow visualization of the jets employing a synchronized stroboscope. The gain of the two stage amplifier developed in this study was found approximately equal to that of the two stage beam deflection amplifier connected in cascade and the frequency characteristics of the amplifiers developed satisfactorily showed a constant amplitude up to 400Hz.
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