Module for preventing instability in integrated circuit testers

Details Module for preventing instability in integrated circuit testers Module for preventing instability in integrated circuit testers

1988-03-21

1991-04-09

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158P, G01R 3102, G01R 106

Patent

active

050067940

ABSTRACT:
A module for preventing instability in systems which test integrated circuit chips resides between the tester unit and the chip that is being tested. This module is characterized as including a plurality of phase-shifting circuits which couple respective output signals from output transistors on the chip onto signal lines to the tester unit. Each phase-shifting circuit includes an inductor which counteracts and cancels any capacitive phase shift that is produced by the input impedance of the corresponding signal line to the tester unit.

REFERENCES:
patent: 4473798 (1984-09-01), Cedrone et al.

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