Voltage-controlled oscillator capable of operating at lower powe

Details Voltage-controlled oscillator capable of operating at lower powe Voltage-controlled oscillator capable of operating at lower powe

1996-12-16

1998-09-01

Mis, David

Oscillators

Solid state active element oscillator

Transistors

331144, 331175, 331177R, H03B 524, H03B 504

Patent

active

058015930

ABSTRACT:
An improved voltage controlled oscillator circuit is based on a multivibrator design with an internal gain stage to permit low voltage operation. An internal gain stage maintains a loop gain of greater than one to ensure oscillation even at power supply voltages as low as 2.7 volts. The added gain allows the use of resistors inserted on either sides of a timing capacitor for improved linearity.

REFERENCES:
patent: 5357220 (1994-10-01), Francis
Alan B. Grebene, Bipolar and MOS Analog Integrated Circuit Design, Chapter 11, Part 1, "Integrated-Circuit Oscillators and Timers" pp. 543-591, John Wiley & Sons (1994).

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