Wideband differential amplifier

Details Wideband differential amplifier Wideband differential amplifier

1975-01-13

1976-01-06

Kaufman, Nathan

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 18, 330 24, 330 30D, H03F 314

Patent

active

039315835

ABSTRACT:
A wideband differential amplifier comprises a pair of differentially connected control devices, for example transistors, having a pair of semiconductor junction input devices coupled thereto for receiving complementary input currents. The input devices exhibit logarithmic characteristics substantially compensating for nonlinear properties of the pair of differentially connected control devices, whereby a linear rather than a nonlinear amplified current output is produced. Multipliers, cascaded amplifiers, and other useful circuit configurations are provided.

REFERENCES:
patent: 3848139 (1974-11-01), Holt, Jr.
keller, J. P. -- Linear Ic's, part 3, Differential Amplifiers at Work, Integrated Electronics)-Electronics, Sept. 18, 1967, pp. 96-105.

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