Multi-phase voltage-control oscillator

Details Multi-phase voltage-control oscillator Multi-phase voltage-control oscillator

2011-04-05

2011-04-05

Pascal, Robert (Department: 2817)

Oscillators

Polyphase output

C331S03600C, C331S047000, C331S1170FE, C331S17700V, C331S181000

Reexamination Certificate

active

07920030

ABSTRACT:
A multi-phase voltage-control oscillator including a first voltage-control oscillator circuit and a second voltage-control oscillator circuit is provided. The second voltage-control oscillator circuit and the first voltage-control oscillator circuit have a plurality of inductors, and the inductors in the second voltage-control oscillator circuit are respectively cross-coupled with the inductors in the first voltage-control oscillator circuit to generate a mutual inductance effect, so as to output a plurality of oscillating signals with different phases.

REFERENCES:
patent: 6639481 (2003-10-01), Ravi et al.
patent: 6891444 (2005-05-01), Jacobsson et al.
patent: 7005930 (2006-02-01), Kim et al.
patent: 7239209 (2007-07-01), Adan
patent: 7423495 (2008-09-01), Bevilacqua et al.

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