Emulator probe assembly for programmable logic devices

Details Emulator probe assembly for programmable logic devices Emulator probe assembly for programmable logic devices

1988-03-08

1989-08-01

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 73R, 324158R, G01R 3102, G01R 3126

Patent

active

048536261

ABSTRACT:
An emulator probe assembly for testing circuit boards which control programmable logic devices includes a header assembly, a universal pod, and an extender. The header assembly includes a socket, a plug, and a flexible cable. The header socket is matched in size to the socket of the circuit board so that during testing the programmable logic device can be inserted into the header socket and the header plug into the circuit board. Some pins in the header plug are connected directly to crresponding pins in the header socket. However other pins in the header plug are connected through lines in the flexible cable to contacts in a pod plug at the opposite end of the flexible cable. Corresponding pins in the header socket are also connected through the flexible cable to contacts in the pod plug. The pod plug is received by the universal pod which has electronics for controlling or receiving signals from the programmable logic device or the circuit board. An emulator can control this universal pod to in turn control the programmable logic device and otherwise assist a designer in testing the circuit board. The extender includes test pins for applying test signals to or monitoring signals for individual pins of the programmable logic device. The extender includes removable shunts or jumpers for disconnecting certain pins in the programmable logic device from corresponding pins in the circuit board.

REFERENCES:
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patent: 4334308 (1982-06-01), Thinschmidt et al.
patent: 4339819 (1982-07-01), Jacobson
patent: 4405735 (1977-08-01), Worcester et al.
patent: 4527234 (1985-07-01), Bellay
patent: 4544882 (1985-10-01), Flora
Emulation Technology, Inc.-1987 Product Catalog.
Emulation Technology, Inc.-State-of-the-Art VLSI & Surface Mount Accessories-1988.

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