Alterable mode oscillator

Details Alterable mode oscillator Alterable mode oscillator

1981-08-27

1984-05-22

Miller, Stanley D.

Oscillators

Solid state active element oscillator

Transistors

307228, 307276, 307597, 331108D, 331179, 331 61, H03K 404, H03K 5159, H03K 3282

Patent

active

044504152

ABSTRACT:
An integrated circuit includes provision for connecting to a discrete capacitor, a charger current-mirror circuit for charging the capacitor and a discharger current-mirror circuit for discharging the capacitor. A constant current source is alternately switched to the input branches, respectively, of the charger and discharger circuits. The discharger circuit is made up of an output transistor and an input diode, the latter being connected into the circuit by means of an external link that may be in place to generate a triangle waveform or removed to generate a sawtooth waveform.

REFERENCES:
patent: 3668534 (1972-06-01), Perry, Jr.
patent: 4047057 (1977-09-01), Ahmed
patent: 4048590 (1977-09-01), Dobberpuhl
patent: 4147996 (1979-04-01), Gontowski, Jr.

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