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Transactions of the Society of Instrument and Control Engineers, 1976/10/30, Vol.12(5), pp.593-599
1976

Details

Autor(en) / Beteiligte
Titel
Ternary Φ Type Fail-Safe Logic Circuits Using Ferrite Cores
Ist Teil von
  • Transactions of the Society of Instrument and Control Engineers, 1976/10/30, Vol.12(5), pp.593-599
Ort / Verlag
The Society of Instrument and Control Engineers
Erscheinungsjahr
1976
Link zum Volltext
Quelle
EZB Electronic Journals Library
Beschreibungen/Notizen
  • Ternary fail-safe logic systems have an important advantage in that the systems can clearly distinguish a failure state corresponding to a truth value φ from normal signals corresponding to truth values 1 and 0. For practical fail-safe systems both safety and reliability are required. The magnetic core itself has high reliability and is suited for a ternary fail-safe logic element. This paper presents a practical realization of ternary Φ type fail-safe logic circuits using ferrite cores. Various functions such as NOT, OR, AND, Delay, NOR and NAND which are fail-safe can easily be obtained by using ferrite cores. The equivalent circuit in a magnetic circuit may be drawn from the measured values on the reciprocal of switching time versus the applied pulse amplitude which is well known as a basic characteristic of a core. On the basis of the equivalent circuit obtained thus, operations of fail-safe logic circuits can be made clear. A practical realization of the failsafe logic function X+Y is shown as an example.
Sprache
Englisch
Identifikatoren
ISSN: 0453-4654, 1883-8189
eISSN: 1883-8189
DOI: 10.9746/sicetr1965.12.593
Titel-ID: cdi_crossref_primary_10_9746_sicetr1965_12_593

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