Current characteristic shaper

Details Current characteristic shaper Current characteristic shaper

1984-07-05

1985-12-10

Beha, Jr., William H.

Electricity: power supply or regulation systems

Self-regulating

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

179 70, 330288, 307500, 328142, G05F 320

Patent

active

045582726

ABSTRACT:
First and second transistor current sources of complementary conductivity types are connected in series with an output connection between them in the series connection. Input signals control the conduction level of one of the sources so that it diverts correspondingly variable amounts of current of the other source away from the output connection in accordance with a first linear characteristic. Additional transistor current source circuits are provided, and responsive to a predetermined level of the same input signals, for diverting substantially different amounts of current away from the output connection in accordance with a second linear characteristic of different slope from the first characteristic.

REFERENCES:
patent: 3863169 (1975-01-01), Knight
patent: 4323797 (1982-04-01), Embree et al.
patent: 4458201 (1984-07-01), Koen
1982 IEEE International Solid-State Circuits Conference, "A Hybrid Integrated Trunk and Subscriber Line Interface," Paul C. Davis et al., pp. 204-205.
Introduction to Operational Amplifier Theory and Applications, McGraw-Hill Books, 1975, by J. V. Wait et al., pp. 171-187.

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