Oscillator and chip
A technology of oscillator and comparator, which is applied in the direction of pulse generation, electrical components, and electric pulse generation. It can solve the problems of complex circuit design, increase of layout area, and increase of cost, so as to save chip area, reduce cost, and save circuit. Effects of Design Complexity
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[0021] The technical solutions in the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.
[0022] Such as figure 1 As shown, an oscillator includes a charging and discharging module 100 and a control module 200. The charging and discharging module 100 includes a capacitor C, a current source I1, a resistor R, a switch unit 101, a current mirror unit 102, and a transistor Q. The control The module 200 includes a comparator U1, a flip-flop U2, a first inverter INV1, a second inverter INV2, and a third inverter INV3,
[0023] The first end of the capacitor C is connected to the current source I1 through the switch unit 101, the second end of the capacitor C is grounded, and the voltage on the capacitor C is expressed as V CIN , the first end of the resistor R is connected to th...
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