Difference amplifier circuit

Details Difference amplifier circuit Difference amplifier circuit

1989-12-21

1991-06-04

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, H03F 345

Patent

active

050217453

ABSTRACT:
A difference amplifier circuit comprises two series combinations coupled in parallel between a first source of voltage and a common node, an activation transistor responsive to a control signal for propagating a second voltage level to the common node and a channel conductance regulating circuit responsive to the control signal and operative to regulate channel conductances of the respective series combinations, so that the channel conductances are easily fallen within a target range through the function of the regulating circuit even if the process conditions are fluctuated.

REFERENCES:
patent: 4533877 (1985-08-01), Rahim

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