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Published 1993 | Submitted
Book Section - Chapter Open

Custom Analog VLSI for the Advanced Composition Explorer (ACE)

Abstract

Two custom analog VLSI chips are currently in development for scientific payloads of NASA's Advanced Composition Explorer. One chip will be fabricated in the radiation hard 1.2 um CMOS process of the United Technologies Microelectronics Center (UlMC), and will contain 16 complete discriminator/12 bit pulse-height-analysis chains for the readout of heavy ion Si strip detectors. The second chip will be fabricated by Harris Semiconductor in their dielectrically isolated bipolar VHF process. This chip will contain the active elements of a single precision pulse-height-analysis chain and several precision discriminator chains. The chips designed in this effort and the techniques employed are expected to be applicable in science payloads of future missions, especially those which place extraordinary premiums on weight, power, and/or performance.

Additional Information

This work was supported by NASA under contract NAS5-31459 and grant NAGW-1919.

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August 20, 2023
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