FIELD: radio engineering, portable devices with piezoceramic radiators. SUBSTANCE: invention can be used specifically in inhalators. Oscillator incorporates shifting unit, former, active element, low-pass filter, matching unit. Active element shows potential for operation under key mode with relative pulse duration not equal to two. EFFECT: design of reliable small-sized ultrasonic high-efficiency oscillator. 5 cl, 3 dwg
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