Integrated circuit inductors for use with electronic oscillators

Details Integrated circuit inductors for use with electronic oscillators Integrated circuit inductors for use with electronic oscillators

1998-03-06

1999-09-14

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

257531, 331117FE, 331167, 336200, 336220, H03B 512, H01F 2728, H01L 2900

Patent

active

059528931

ABSTRACT:
An integrated circuit having at least the following: a substrate; a composite inductor formed within the substrate having at least a first coil with an associated first coil inductance and first coil resistance and a second coil with an associated second coil inductance and second coil resistance, with the first coil formed proximate the second coil for magnetic flux linkage such that when a current in the first coil is matched with a current in the second coil, a new inductance associated with the first coil is produced that is in excess of the first coil inductance. An oscillator can be formed in the integrated circuit by connecting the first coil to at least one capacitor formed in the substrate.

REFERENCES:
patent: 5095357 (1992-03-01), Andoh et al.
patent: 5497337 (1996-03-01), Ponnapalli et al.
patent: 5656849 (1997-08-01), Burghartz et al.
patent: 5760456 (1998-06-01), Grzegorek et al.

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