Delay circuit manufacturable by semiconductor elements

Details Delay circuit manufacturable by semiconductor elements Delay circuit manufacturable by semiconductor elements

1995-06-06

1998-02-24

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

327359, 327287, H03K 513, H03K 5159

Patent

active

057215057

ABSTRACT:
A delay circuit includes a first filter circuit responsive to an input signal and outputting a first output signal having first-order low pass characteristics with respect to the input signal, a second filter circuit responsive to the input signal and outputting a second output signal having first-order high pass characteristics with respect to the input signal, and a difference computing circuit responsive to the first and second output signals and outputting a difference signal therebetween as an output signal of the delay circuit. By the constitution, it is possible to reduce an attenuation factor irrespective of the input signal frequency and obtain a relatively long and easily changeable delay time in a wide frequency band.

REFERENCES:
patent: 4525675 (1985-06-01), Richmond et al.
patent: 4682115 (1987-07-01), Mita et al.
patent: 5053650 (1991-10-01), Ohkubo et al.
patent: 5160863 (1992-11-01), Hui
patent: 5229664 (1993-07-01), Brehmer
patent: 5293112 (1994-03-01), Takahashi

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