Emitter coupled logic output circuit

Details Emitter coupled logic output circuit Emitter coupled logic output circuit

1996-03-12

1997-07-01

Nguyen, Matthew V.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323316, G05F 320

Patent

active

056442173

ABSTRACT:
An ECL output circuit includes an emitter differential pair of transistors, a positive voltage source connected to the collectors of this pair of transistors, a reference voltage source, a constant current supplying circuit, and an output circuit. The emitter differential pair of transistors has their emitters connected together, the base of one of them is connected to an input terminal where an input voltage is adapted to be applied, the reference voltage source is adapted to apply a reference voltage to the base of the other of the pair of transistors, and the positive voltage source is connected to their collectors.

REFERENCES:
patent: 4414502 (1983-11-01), Wong
patent: 4644194 (1987-02-01), Birrittella et al.
patent: 4684831 (1987-08-01), Kruest
patent: 4794317 (1988-12-01), Van Tran
patent: 5349287 (1994-09-01), Lorenz

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