Differential amplifier

Details Differential amplifier Differential amplifier

1996-01-31

1997-10-07

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330257, H03F 345, H03F 316

Patent

active

056752890

ABSTRACT:
A differential amplifier includes two differential amplifier stages each having an input side with two complementary inputs and an output side with at least one output. The stages are connected parallel to one another on the input and output sides. The stages each include a source-coupled transistor pair. One of the transistor pairs has two depletion MOS field effect transistors of a given conduction type and the other of the transistor pairs has two enhancement MOS field effect transistors of the given conduction type. Current sources each supply a respective one of the transistor pairs.

REFERENCES:
patent: 3970950 (1976-07-01), Freeman et al.
patent: 5210236 (1993-05-01), Takaganagi

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