LC osillator with delay tuning

Details LC osillator with delay tuning LC osillator with delay tuning

1997-05-14

1998-12-08

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331177R, H03B 512

Patent

active

058476210

ABSTRACT:
An integrated circuit voltage-controlled oscillator includes an amplifier, a low Q LC resonator coupled to the amplifier, and a voltage-controlled variable delay element connected to delay feedback between an output and an input of the amplifier.

REFERENCES:
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patent: 4775845 (1988-10-01), McCoy
patent: 5012142 (1991-04-01), Sonntag
patent: 5126692 (1992-06-01), Shearer et al.
patent: 5191301 (1993-03-01), Mullgrav, Jr.
patent: 5235293 (1993-08-01), Mendolia
patent: 5600280 (1997-02-01), Zhang
Razavi, B. et al, "A 6 GHz 60 mW BiCMOS Phase-Locked Loop", IEEE Journal of Solid-State Circuits, VSC-29, pp. 1560-1565, Dec. 1994.
Tsividis, Yannis, "Mixed Analog-Digital VLSI Devices and Technology--an Introduction", McGraw-Hill, pp. 168-170, 1996.

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