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US 5,483,207 AGranted
Adiabatic MOS oscillators
AssigneeAT&T Corp.
InventorThaddeus J. Gabara
Life of this patent
Estimating the term…
Abstract
High-frequency, low-power CMOS oscillators having electrically-tunable tank circuits are disclosed. Electrically-tunable inductors assure highly efficient oscillator operation and can be adjusted after manufacture to assure high yields of high-precision oscillator circuits.
Claims3
An electrically-tunable inductor element, said element comprising:
- an inductor element;
- and
- a transistor having a charge inversion area electro-magnetically linked to said inductor element, whereby the inductance of said inductor element can be varied by varying the voltage applied to the transistor gate.
An electrically-tunable inductor element, said element comprising:
- an inductive metalization element;
- and
- a transistor having a charge inversion area electro-magnetically linked to a portion of said inductor element, whereby a portion of the inductance of said inductor element can be varied by varying the voltage applied to the transistor gate.
An MOS oscillator device having a tank circuit, said tank circuit comprising:
- an element providing capacitance;
- and
- an electrically-tunable inductor device, said device having--an inductor element and a transistor having a charge inversion area electro-magnetically linked to said inductor element, whereby the resonant frequency of said tank can be reactively tuned.
Dependencies are inferred from the claim text.