The piezoelectric vibrator which generates the voltage which vibrates at the electronic equipment null specific frequency which has the

摘要

PROBLEM TO BE SOLVED: To provide an oscillation circuit capable of further reducing power consumption.;SOLUTION: The oscillation circuit comprises a piezoelectric vibrator 4 such as a crystal vibrator which generates a voltage vibrating in a specific frequency, an inverter 11 which amplifies the vibrating voltage, a Schmidt trigger circuit 12 which shapes the waveform of an output of the inverter 11 to output an oscillation output signal, and a constant current source 14 which is connected to a power line 10 from a battery 3 and supplies a current to the power source of the inverter 11 and the Schmidt trigger circuit 12.;COPYRIGHT: (C)2005,JPO&NCIPI