Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By frequency
Reexamination Certificate
2006-05-02
2006-05-02
Wells, Kenneth B. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By frequency
C327S049000, C327S007000, C327S012000
Reexamination Certificate
active
07038496
ABSTRACT:
The present invention relates to a device for comparison CMP, which is designed to emit a control signal Vcnt, which is representative of a difference which exists between the input signal frequencies Vdiv and Vref. The device according to the invention includes a phase/frequency comparator PD, which supplies a regulation signal Tun, which is subjected to pulse width modulation according to the difference observed. The device also includes a current source, which is designed to emit a charge current Ics, with a value which is controlled by the regulation signal Tun. The device further includes a capacitive element Cs, which is designed to generate the control signal Vcnt, under the effect of the charge current Ics. By means of a regulation signal Tun, which has a frequency which is virtually constant, the invention makes it possible to impose high-frequency variations on the control signal Vcnt.
REFERENCES:
patent: 4403193 (1983-09-01), Takemura
patent: 4849704 (1989-07-01), Thornton
patent: 4851784 (1989-07-01), Wells et al.
patent: 4904948 (1990-02-01), Asami
patent: 4959617 (1990-09-01), Martin
patent: 5103191 (1992-04-01), Werker
patent: 5216374 (1993-06-01), George et al.
patent: 5376847 (1994-12-01), Staszewski
patent: 5521948 (1996-05-01), Takeuchi
patent: 5592110 (1997-01-01), Noguchi
patent: 5631582 (1997-05-01), Fujikawa
patent: 5638410 (1997-06-01), Kuddes
patent: 5699387 (1997-12-01), Seto et al.
patent: 5825640 (1998-10-01), Quigley et al.
patent: 5854575 (1998-12-01), Fiedler et al.
patent: 5877641 (1999-03-01), Ziegler et al.
patent: 5889437 (1999-03-01), Lee
patent: 5945855 (1999-08-01), Momtaz
patent: 5963059 (1999-10-01), Partovi et al.
patent: 6157218 (2000-12-01), Chen
patent: 6218868 (2001-04-01), Katoh
patent: 6229361 (2001-05-01), Henwood
patent: 6256362 (2001-07-01), Goldman
patent: 6337976 (2002-01-01), Kudou
patent: 6389092 (2002-05-01), Momtaz
patent: 6470060 (2002-10-01), Harrison
patent: 6512801 (2003-01-01), Ninomiya
patent: 6522183 (2003-02-01), Sumi
patent: 6608509 (2003-08-01), Mizuno et al.
patent: 6680653 (2004-01-01), Griffith et al.
patent: 6683930 (2004-01-01), Dalmia
patent: 0283160 (1988-09-01), None
patent: 0519562 (1992-12-01), None
patent: 0855802 (1998-07-01), None
Canard David
Fillatre Vincent
Nguyen Hai L.
Ure Michael J.
Wells Kenneth B.
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