Delay circuit with constant time delay independent of...

Details Delay circuit with constant time delay independent of... Delay circuit with constant time delay independent of...

2011-04-26

2011-04-26

Nguyen, Long (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S264000, C327S261000, C327S108000

Reexamination Certificate

active

07932764

ABSTRACT:
A delay circuit has: an inverting receiver with a resistive element, the inverting receiver having an input node for receiving an input signal and an output node coupled to the resistive element; a capacitive element, coupled to the output node of the inverting receiver and the resistive element; a first transistor, having lower turned ON voltage at higher temperature; a second transistor, used for generating a rail to rail signals on a terminal of the first transistor; and an output inverter, having an input node coupled to the first transistor and an output node for outputting an output signal of the delay circuit. Further, a third transistor is used for enhancing pulling low of the output signal of the delay circuit.

REFERENCES:
patent: 4868525 (1989-09-01), Dias
patent: 6573543 (2003-06-01), Takata
patent: 7248091 (2007-07-01), Chung
patent: 7295055 (2007-11-01), Noguchi et al.
patent: 7746141 (2010-06-01), Takahashi

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