Resistorless VCO including current source and sink controlling a

Details Resistorless VCO including current source and sink controlling a Resistorless VCO including current source and sink controlling a

1994-09-06

1995-10-31

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural oscillators controlled

331 8, 331 10, 331 17, 331 25, 331 34, 331 57, 331177R, H03K 303, H03K 3354, H03L 7099

Patent

active

054633532

ABSTRACT:
A voltage controlled oscillator (VCO) 16 generates a periodic clock signal without the use any resistors. Therefore, the described VCO may be advantageously incorporated into devices fabricated with semiconductor processes without special resistor-base design constraints.

REFERENCES:
patent: 4803705 (1989-02-01), Gillingham et al.
patent: 4818950 (1989-04-01), Ranger
patent: 5144156 (1992-09-01), Kawasaki
patent: 5357217 (1994-10-01), Marchesi et al.
"A Design of Automatically Tunable Active MOSFET-RC Filters Using a Single-Ended Circuit Structure," Inoue, et al,; Electronics and Communications in Japan, Part 3, vol. 73, No. 10, 1990, pp. 1-12.

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