High performance maximum and minimum circuit

Details High performance maximum and minimum circuit High performance maximum and minimum circuit

1997-06-13

1998-10-20

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323313, G05F 316

Patent

active

058251685

ABSTRACT:
The present invention is a circuit for producing an output voltage as a function of a first input voltage and a second input voltage. The circuit includes a first emitter-coupled transistor pair for receiving the first and second input voltages. The circuit further includes a compensation circuit coupled to receive the first and the second input voltage signals. The compensation circuit generates a compensation current that is at least partially based on a relative difference between the first and the second input voltage signals. The compensation circuit is coupled to the first emitter-coupled transistor pair such that the compensation circuit provides the compensation current to the first emitter-coupled transistor pair. The output signal is representative of either the first or the second input voltage.

REFERENCES:
patent: 5374897 (1994-12-01), Moraveji
patent: 5514950 (1996-05-01), Sevenhans et al.
patent: 5515010 (1996-05-01), Peterson
Paul R. Gray and Robert G. Meyer entitled "Analysis and Design of Analog Integrated Circuits", John Wiley & Sons, Inc., Third Edition, Chapter 3, pp. 227-230.

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