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Voltage control oscillator circuit of the practical CMOS int

2016-08-09 09:36  
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Voltage control oscillator circuit of the practical CMOS integrated circuit
The voltage control oscillator which uses the CMOS integrated circuit always has the positive and negative power supplies, but the CMOS integrated circuit only uses one power supply. When the input voltage is 1/2 of the power supply voltage VCC, the oscillation frequency is the maximum. When the input voltage is higher than 1/2VCC or lower than 1/2VCC, the oscillation frequency is: