An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators convert direct current (DC) from a power supply to an alternating current signal.
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Define hydrosphere. hydrosphere synonyms, hydrosphere pronunciation, hydrosphere translation, English dictionary definition of hydrosphere. n. 1. The waters of the earth's surface as distinguished from those of the lithosphere and the atmosphere. 2. The water vapor in the earth's atmosphere....