High speed regeneration comparator

Details High speed regeneration comparator High speed regeneration comparator

1998-11-23

2000-05-30

Ton, My-Trang Nu

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327337, H03K 5153

Patent

active

060695005

ABSTRACT:
A high-speed regeneration comparator is disclosed in the present invention. The high-speed comparator is consisted of two capacitors and two inverters. A first terminal of a first capacitor is coupled with a reference voltage through a first switch and with an inputting voltage through a second switch. The inputting terminal of a first inverter is coupled with a second terminal of the first capacitor and the inputting terminal of the first inverter is coupled with the outputting terminal of the first inverter through a third switch for feedback signals from the outputting terminal of the first inverter to the inputting terminal of the first inverter. A first terminal of a second capacitor is coupled with the outputting terminal of the first inverter. An inputting terminal of the second inverter is coupled with a second terminal of the second capacitor and the outputting terminal of the second inverter is coupled with the inputting terminal of the first inverter through a fourth switch and a fifth switch is coupled with the second inverter in parallel.

REFERENCES:
patent: 4691189 (1987-09-01), Dingwall et al.
patent: 4748418 (1988-05-01), Kerth
patent: 4900952 (1990-02-01), Hosotani et al.
patent: 5262686 (1993-11-01), Kurosawa
patent: 5617044 (1997-04-01), Takamoto
patent: 5936434 (1999-08-01), Kumamoto et al.
patent: 5973517 (1999-10-01), Kao

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