Miller effect-based delay circuit

Details Miller effect-based delay circuit Miller effect-based delay circuit

1997-04-22

1999-05-18

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

327276, 327284, 327285, 327288, H03K5/14

Patent

active

059053950

ABSTRACT:
A delay circuit which employs a Miller effect to delay a signal while driving a subsequent amplifier stage. The Miller effect is dependent upon loading of the circuits on an integrated circuit upon which the delay circuit is implemented, which allows the delay circuit to compensate its delay in relation to other process variation delays present on the integrated circuit. The delay circuit has a first delay stage which delays an input signal and drives a second stage. The delay circuit incorporates a dummy drive stage which adds loading to the first delay stage. In addition, the dummy stage experiences dynamic loading of the delay chain between the first and second stages which allows the coupling of the effect of this dynamic loading back to the first stage through the Miller effect.

REFERENCES:
patent: 3970875 (1976-07-01), Leehan
patent: 4890022 (1989-12-01), Endo
patent: 5229667 (1993-07-01), Shimizu
patent: 5262690 (1993-11-01), Cochran et al.
patent: 5352945 (1994-10-01), Casper et al.
patent: 5440260 (1995-08-01), Hayashi et al.
patent: 5764093 (1998-06-01), Hayashi et al.

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