Delay circuit providing constant delay regardless of variations

Details Delay circuit providing constant delay regardless of variations Delay circuit providing constant delay regardless of variations

1996-12-27

1999-06-29

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

327284, 327285, 327288, H03K 513

Patent

active

059173572

ABSTRACT:
The present invention discloses a delay circuit which obtains constant a delay time of delay circuit using an output capacitor by making the resistance of MOS transistor lowest, at the low voltage, middle at the intermediate voltage, and largest at the high voltage, so that the delay time of delay circuit using an output capacitor is kept constant regardless of the change in power source voltage.

REFERENCES:
patent: 4947064 (1990-08-01), Kim et al.
patent: 5051630 (1991-09-01), Kogan et al.
patent: 5068553 (1991-11-01), Love
patent: 5164621 (1992-11-01), Miyamoto
patent: 5352945 (1994-10-01), Casper et al.
patent: 5359301 (1994-10-01), Candage
patent: 5557579 (1996-09-01), Raad et al.
patent: 5617049 (1997-04-01), Hirano et al.
patent: 5731727 (1998-03-01), Iwamoto et al.

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