The making circuit of the small power synchronous motor governor

Published:2011/7/24 20:44:00 Author:Christina | Keyword: making circuit, small power, synchronous motor governor | From:SeekIC

The square wave signal generator is composed of two CMOS circuits cd4060 and cd4069. The cd4060 is the oscillation and frequency division integrated circuit, the oscillation frequency is decided by the product of the capacitance (200pf) and resistance. This high frequency oscillation signal is reduced to about 50Hz through the 10 stages frequency division. The band switch of the control handle can be used to change the resistance value. In the slow stage, the two 6k resistances are connected with the rc oscillator; in the medium speed stage, one of the resistances is in the short circuit state; in the high speed stage, the two 6k resistances are in the short circuit state, the oscillation frequency is the highest.



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