The winking kitten circuit

Published:2011/8/15 20:55:00 Author: | Keyword: winking kitten | From:SeekIC

The winking kitten circuitT1 and the external elements form an audio oscillating circuit which can simulate the sound of mew. T1, L1 and L2 form the common base inducting 3-terminal oscillator. When the base electrode of T1 is biased, the oscillating frequency of L1 and C2 is high, and it rises with the increasing of the bias, it sounds the tune rises up from low. When the base electrode of T1 is in the backward bias, the oscillator composed of L1 and C2 stops, therefore, the oscillator composed of L2 and C6 controls the working state and oscillating frequency of the oscillator consists of L1 and L2, so the sound of mew is simulated.



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