Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1991-07-10
1993-06-01
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 725, 324158P, 361384, G01R 100, G01R 102
Patent
active
052163610
ABSTRACT:
A modular ATE system includes a plurality of test modules and a receiver for use with a variety of fixtures to which printed circuit boards are to be coupled. Each test module includes a plurality of pin cards controlled by a single module controller. Multiple test module are included for testing a variety of functions. Test signals are generated by discrete sets of pin cards and controllers, then output to the receiver for interconnection to a fixture and printed circuit board(s) under test. A substantially wireless receiver is provided, including a translation board for electrically coupling test module pin cards to the fixture. By eliminating wiring and cabling by using a prefabricated translation board, noise is substantially reduced and test signal quality improved. The translation board defines prescribed signal mapping for interconnecting the I/O pins of ATE pin cards to the underside of the fixture. Different translation boards may have different mappings. The ATE can be adapted for use with fixtures having different underside layouts by changing the test modules and/or the receiver. As a result, the ATE can be adapted to emulate many conventional ATE's which are limited to a fixed fixture underside layout.
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Akar Armagan A.
DeSimone Stephen E.
Grimes Scott N.
Burns William J.
Karlsen Ernest F.
Koda Steven P.
Schlumberger Technologies Inc.
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