RC oscillator

Details RC oscillator RC oscillator

2005-07-12

2005-07-12

Kinkead, Arnold (Department: 2817)

Oscillators

Relaxation oscillators

C331S111000, C331S175000, C331S17700V, C327S132000, C327S172000

Reexamination Certificate

active

06917249

ABSTRACT:
An oscillator has timing characteristics that are determined by resistor and capacitor values. The circuit comprises an astable multivibrator and a current reference. The multivibrator comprises a first and a second timing capacitor. The multivibrator is configured to produce an oscillating output signal in response to charging and discharging the first and the second timing capacitors. The current reference is configured to control the rate of change of charge of the first and second timing capacitors. The current reference is determined in part by the resistor values.

REFERENCES:
patent: 5699024 (1997-12-01), Manlove et al.
patent: 6157270 (2000-12-01), Tso
patent: 6356161 (2002-03-01), Nolan et al.

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