Oscillation circuit having hysteresis inverter coupled to a dela

Details Oscillation circuit having hysteresis inverter coupled to a dela Oscillation circuit having hysteresis inverter coupled to a dela

1994-12-19

1996-08-27

Pascal, Robert

Oscillators

Solid state active element oscillator

Transistors

331143, 331179, 331DIG3, H03K 303

Patent

active

055505171

ABSTRACT:
An oscillation circuit is disclosed, which comprises an input stage, intermediate stage and output stage circuits which are coupled to one another. The input stage circuit is composed of a hysteresis inverter having a first threshold value and a second threshold value that is set between the first threshold value and the potential of a first power supply. The intermediate stage circuit includes an inversion circuit and a delay circuit that is provided between the hysteresis inverter and the inversion circuit. The output stage circuit includes an output terminal connected to the hysteresis inverter, a capacitor provided between the output terminal and the first power supply and an inverter circuit connected to the inversion circuit. The inverter circuit controls the charging and discharging of the capacitor to generate an oscillation output signal at the output terminal.

REFERENCES:
patent: 4414515 (1983-11-01), Suzuki et al.
patent: 5424690 (1995-06-01), Ohno
patent: 5442325 (1995-08-01), Bosshart

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