Wideband differential amplifier

Details Wideband differential amplifier Wideband differential amplifier

1976-07-15

1978-02-21

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330258, H03F 345

Patent

active

040755746

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: 2999986 (1961-09-01), Holbrook
patent: 3445776 (1969-05-01), Leidich
patent: 3532909 (1970-10-01), Buckley

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