System for interfacing computers with programmable power supplie

Details System for interfacing computers with programmable power supplie System for interfacing computers with programmable power supplie

1979-02-26

1982-06-15

Shaw, Gareth D.

Boots, shoes, and leggings

363 78, 340347M, 364483, G06F 300

Patent

active

043354459

ABSTRACT:
Programmable power supplies as used in automatic testing systems (ATS) require three commands from a computer; namely, polarity, gain and analog magnitude. Whether received from a general purpose bus such as the IEEE 488 or other means the commands are in parallel format and must be serialized. The three commands must be recognized and decoded and applied to the appropriate power supplies. The present invention in addition to furnishing the above responses, provides optical isolation to eliminate possible ground loops and other voltage difference problems. One significant simplification comprises the use of sample and hold amplifiers in place of the more conventional latches so that new commands can be accumulated without affecting the response to a prior command.

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"Analog-Digital Conversion Handbook", Daniel H. Sheingold, 1972, pp. I-41 to I-64 and III-73 to III-86.
ISSCC 74/Feb. 15, 1974, "A Complete Monolithic Sample/Hold Amplifier using Compatible Bipolar and Silicon-Gate FET Device", pp. 190-191.
"Architecture of a Universal Communication Processor", by Steele and Mattson, Nov. 73, pp. 63-68.
"Data Acquisition in a Dip Shrinks Systems", Calkins and Berg Jr., Electronics, Jul. 1976, pp. 78-83.

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