NDLI: Designing to safe power limits in hybrid circuits

Content Provider	IEEE Xplore Digital Library
Author	Norwood, D.
Copyright Year	1988
Description	Author affiliation: Sandia Nat. Lab., Albuquerque, NM, USA (Norwood, D.)
Abstract	Experiments were performed at two heat-transfer conditions, simulating minimum and maximum heat transfer. Since hybrid-circuit heat dissipation is dependent on factors such as heat sinking, package design, substrate material, environment and other considerations, it was decided to bracket the extremes of power dissipation for these circuits. Tests performed at these two heat-transfer conditions yielded data which were used to formulate relationships among the hybrid variables of temperature, size, and power. To establish these relationships, the various sizes of resistors and hybrid substrates were accommodated by using the ratio of resistor to substrate size to relate the power density and temperature. Both resistor and substrate temperature were predictable within the desired temperature limits of 0 to 300 degrees C using the relationships developed. The power-temperature relationships developed make possible the predictions of both resistor and substrate temperatures during circuit design, which is both necessary and advantageous for the design of hybrid circuits having increased power and circuit density.<>
Starting Page	648
Ending Page	657
File Size	860283
Page Count	10
File Format	PDF
DOI	10.1109/ECC.1988.12662
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-05-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Resistors Heat transfer Heat sinks Circuit simulation Packaging Power dissipation Circuit testing Performance evaluation Circuit synthesis
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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