Apparatus for a differential self-biasing CMOS amplifier

Details Apparatus for a differential self-biasing CMOS amplifier Apparatus for a differential self-biasing CMOS amplifier

2007-06-05

2007-06-05

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S261000

Reexamination Certificate

active

10463172

ABSTRACT:
Aspects of the invention provide a self-biasing differential amplifier. The self-biasing differential amplifier may include a first input stage and a biasing transistor pair coupled to the first input stage. A second input stage may be coupled to the first input stage and the biasing transistor pair. The first input stage of the self-biasing differential amplifier may include a first PMOS transistor coupled to a first NMOS transistor in an inverter arrangement. The second input stage may include a second PMOS transistor coupled to a second NMOS transistor. The biasing transistor pair may include a third PMOS transistor coupled to a third NMOS transistor.

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Mel Bazes, “Two Novel Fully Complementary Self-Biased CMOS Differential Amplifiers”, IEEE Journal Of Solid-State Circuits, vol. 26, No. 2, Feb. 1991, pp. 165-168.

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