Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1989-04-26
1991-12-10
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307454, 307456, 307570, 307572, 307362, 307446, 307443, 330300, 330311, H03K 19013, H03K 5153
Patent
active
050721399
ABSTRACT:
An interface circuit includes a power source terminal, an input terminal and NPN transistor. Th interface circuit further includes a first resistor connected between the emitter of the NPN transistor and the input terminal, a second resistor connected between the collector of the NPN transistor and the power source terminal, a diode connected in a forward direction between the collector of the NPN transistor and the power source terminal and a voltage dividing circuit for biasing the base of the NPN transistor to a preset potential.
REFERENCES:
patent: 3348068 (1967-10-01), Miller
patent: 3411017 (1968-11-01), Hoffman
patent: 4725744 (1988-02-01), Yagyuu et al.
G. Glasford, "Analog Electronic Circuits", 1986, Section 5.2, pp. 182-185.
Ueda, Japanese Laid-Open Patent Application No. 56-106427 Patent Abstracts of Japan, Aug. 24, 1981, vol. 5, No. 179 (E-82) [851].
H. Liedl, "Pegal-Interface zwischen den Schaltungssystemen TTL, LSL, und MOS", 1973, Bauteile Report, vol. 11, No. 4, pp. 92-96.
Kabushiki Kaisha Toshiba
Miller Stanley D.
Wambach Margaret Rose
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