IC low-capacitance, low-frequency, low-current, non-radiating os

Details IC low-capacitance, low-frequency, low-current, non-radiating os IC low-capacitance, low-frequency, low-current, non-radiating os

1985-09-27

1987-02-10

LaRoche, Eugene R.

Oscillators

Solid state active element oscillator

Transistors

331143, H03K 326

Patent

active

046425799

ABSTRACT:
An IC oscillator is disclosed using a small capacitor to determine the fundamental frequency. The capacitor is small enough to permit an on chip capacitor to be used. The capacitor is charged and discharged at the same rate between voltage limits established in the circuit. A single voltage controlled current source controls the charge and discharge currents equally so as to provide a relative low voltage-controlled frequency. The circuit can operate at very low charging currents so that a wide range of control is available. The circuit is configured to produce a very low radiation level.

REFERENCES:
patent: 4374366 (1983-02-01), McGinn
patent: 4434408 (1984-02-01), Baba et al.

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