Long-tailed-pair with linearization network

Details Long-tailed-pair with linearization network Long-tailed-pair with linearization network

1978-06-14

1979-06-26

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, H03F 345

Patent

active

041594495

ABSTRACT:
First and second transistors are connected in long-tailed-pair amplifier configuration, with interconnected emitter electrodes connected to a constant current generator that supplies the tail current. Input signals applied to the base electrodes of these transistors are pre-distorted by diodes connecting the base electrodes of the first and second transistors to a common node point. These diodes are provided forward bias currents from constant current generators, so they float with regard to common-mode components of the input signals and do not impair the common-mode signal rejection of the long-tailed-pair amplifier configuration.

REFERENCES:
patent: 3689752 (1972-09-01), Gilbert
patent: 3931583 (1976-01-01), Gilbert
patent: 4075574 (1978-02-01), Gilbert

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