Deskew circuit for automatic test equipment

Details Deskew circuit for automatic test equipment Deskew circuit for automatic test equipment

1982-12-23

1985-10-29

Fleming, Michael R.

Excavating

328140, H03K 500

Patent

active

045504059

ABSTRACT:
An electrical pulse edge timing adjustment circuit 10 comprising one or more deskew elements 5. In each deskew element, a pulse train is passed through an inverter 20. The falling rate of pulse edges on the inverter output line 21 is controlled by a capacitor 24 and an adjustable current sink 25 which determine the output line capacitance discharge rate. From the output line, pulses are passed to another deskew element which re-inverts the pulses and delays the formerly rising pulse edges. Each current sink is independently adjustable to allow different delays in the rising and falling edges.

REFERENCES:
patent: 3456237 (1965-08-01), Collins
patent: 3921212 (1975-11-01), Gray
patent: 3925604 (1975-12-01), Bliss
patent: 4103234 (1978-07-01), Frazier
patent: 4218770 (1980-08-01), Weller

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