Digital Diagnostics: How Much should the Patient Tell?

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1983, No. 20, pp. 288–295
Abstract: The first logic circuits I ever worked on used relays. In distinction to TTL, these circuits were PBL (pin ball logic). One characteristic all logic circuits seem to share whether constructed of relays, transistors, ICs, or the latest VLSI devices is that, past a certain complexity, the function of a circuit is not readily apparent to a person who was not a party to its design. This is not to say that the function can't be determined. But there will be a price to pay in man-hours for an individual to get inside of the designer's head and obtain an intimate knowlege of the circuit. This may be desirable when working on the same circuitry day in and day out, but when many pieces of equipment are worked on infrequently, such an approach is not cost effective.
Publication Date: 1983-02-01
DOI: 10.5594/M00615
Link: https://doi.org/10.5594/M00615
Author(s): Roy H. TrumbullKRON - TV San Francisco, CA Editor, TCR100 User's Group
bio
Roy Trumbull is a second generation native of San Francisco. He is primarily engaged in the organization of a computer data base on the maintenance of broadcast equipment.
Copyright: © 1983 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. Alunkal John , “Diagnostic Design Principles For Computer Systems: A Self Testing Perspective,” Electronics Test , Oct. 1982 , p 69 – 82 . EXTERNAL
2. Anon, “A Designer's Guide to Signature Analysis,” Hewlett Packard application note #222, Oct. 1980 , p 19 – 33 . EXTERNAL
3. Rhodes-Burke Robert , “Retrofitting For Signature Analysis Simplified,” J. Hewlett Packard , Jan. 1982 , pp 9 – 19 . EXTERNAL
4. Frohwerk Robert A. , “Signature Analysis: A New Digital Field Service Method,” J. Hewlett Packard , May 1977 , reprinted in HP application note 222–2, Oct. 1980, pp 9 – 18 . EXTERNAL

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Roy H. Trumbull; Digital Diagnostics: How Much should the Patient Tell?, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983. Available at https://doi.org/10.5594/M00615

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<span class="citation">Roy H. Trumbull; <cite>Digital Diagnostics: How Much should the Patient Tell?</cite>, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983. Available at <a href="https://doi.org/10.5594/M00615" target="_blank" rel="noopener">https://doi.org/10.5594/M00615</a></span>

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Roy H. Trumbull; Digital Diagnostics: How Much should the Patient Tell?, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983
doi: 10.5594/M00615
url: https://doi.org/10.5594/M00615

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Roy H. Trumbull; <cite id="bib-10-5594-m00615">Digital Diagnostics: How Much should the Patient Tell?</cite>, SMPTE Meetings and Conferences ( February 1983); SMPTE, 1983
<span class="doi">10.5594/M00615</span>
</li>