Operational amplifier

Details Operational amplifier Operational amplifier

1977-04-12

1980-01-15

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330269, 330288, 330307, H03F 318

Patent

active

041841247

ABSTRACT:
An operational amplifier wherein each of the active elements is comprised of complimentary coupled pairs of insulated gate type field effect transistors is provided. A first active stage and a second active stage are coupled together to perform a predetermined transfer function. Each active element in the first and second stages are insulated gate type field effect transistors that are coupled in complementary pairs with the first stage and second stage being coupled to define mirror pairs.

REFERENCES:
patent: 3700981 (1972-10-01), Masuhara
patent: 3961279 (1976-06-01), Davis
patent: 4031481 (1977-06-01), Yoshida
patent: 4048575 (1977-09-01), Musa

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