We can bring the inverter CMOS digital IC, to design the Square wave oscillator generator circuit or pulse generator diagram, to a lot circuit been simplified.
The circuit we use less, just add a resistor and capacitor are the only one,It uses less energy. The output frequency is relatively constant, the rate of change in frequency of the power supply voltage is less.The ICs in the circuit number CD4049 or CD4069. The frequency determined by R1 and C1 is F = 1 / (1.4xRxC).
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