Pulse signal delay device, and pulse signal phase detector and c

Details Pulse signal delay device, and pulse signal phase detector and c Pulse signal delay device, and pulse signal phase detector and c

1991-02-08

1993-01-12

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

328 63, 328 56, H04N 592, H03K 5153, H03K 5159

Patent

active

051794381

ABSTRACT:
A pulse signal delay device provides a fixed gate delay time in a digital integrated circuit (such as a CMOS circuit) independently of changes in a power supply voltage or environmental temperature. The device includes a series connection of delay units each having a minimum unit delay time and a circuit for continuously measuring the delay time of each delay unit, wherein a desired delay time is multiplied by the reciprocal of the delay time of each delay unit, and the number of stages of the delay units required for a predetermined delay time is automatically selected on the basis of the multiplication result, thus achieving a stabilized delay time.

REFERENCES:
patent: 4443766 (1984-04-01), Belton, Jr.
Ohtusuki, et al "Adaptive Sample Rate Converter": 1989 National Conference, Institute of Television Engineers of Japan, pp. 221-222.

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