Integrated circuit clip for circuit analyzer

Details Integrated circuit clip for circuit analyzer Integrated circuit clip for circuit analyzer

1987-07-24

1989-05-30

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 725, 324 73PC, 324158P, 324 73R, G01R 104, G01R 106

Patent

active

048354694

ABSTRACT:
In a system for troubleshooting a unit containing microprocessor-based digital circuitry including a bus, wherein the system includes a digital test apparatus that emulates the microprocessor of the unit to test components on the bus and a device for interfacing signals between the test apparatus and the microprocessor comprises a clip that mounts to the microprocessor in electrical contact with the microprocessor leads. The clip preferably is of a type adapted to attach resiliently to the leads of all four sides of a soldered-in microprocessor in a leaded chip carrier housing. A connector to couple the clip to the test apparatus through a wire harness is mounted on a printed circuit board carrying pins corresponding to the lines of the microprocessor bus and the clip, and cables extending from the circuit board to the clip are coupled to the pins of the circuit board and clip by push connectors. A rod interconnecting the clip and the circuit board maintains the distance between the clip and circuit board fixed to prevent the push connectors from "backing off" the pins as the clip is manually operated. A pair of "flying leads", extending from the circuit board, carries probes that clip to terminals of the unit under test.

REFERENCES:
patent: 3667037 (1972-05-01), Kierce
patent: 3702423 (1972-11-01), Kern
patent: 3870953 (1975-03-01), Boatman et al.
patent: 3882386 (1975-05-01), Vinsani
patent: 3946310 (1976-03-01), Saper et al.
patent: 4055800 (1977-10-01), Fisk et al.
patent: 4055806 (1977-10-01), Patel
patent: 4132946 (1979-01-01), Holdren et al.
patent: 4455654 (1984-06-01), Bhaskar et al.
"Circuit Test Point Switch", IBM Tech. Disc. Bull., vol. 16, #9, p. 2778, by Stokan.

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