Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1989-11-30
1991-10-22
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307456, 307362, 3072961, H03K 1912, H03K 1716
Patent
active
050598260
ABSTRACT:
A circuit which provides a threshold voltage to a single-ended operated diode load emitter coupled logic circuit includes a transistor having an emitter coupled to an output at which the threshold voltage is produced, a collector coupled to a positive supply conductor and a diode coupled between the positive supply conductor and the base of the transistor. A current source is coupled to the emitter of the transistor which sinks a current that is equal to the "tail" current of the logic circuit. The magnitude of the threshold voltage produced is equal to a value that lies midway between the logic output voltage swing developed across the diode loads of the logic circuit.
REFERENCES:
patent: 4612460 (1986-09-01), Gloaguen et al.
patent: 4806796 (1989-02-01), Bushey et al.
Bingham Michael D.
Miller Stanley D.
Motorola Inc.
Wambach Margaret Rose
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