Semiconductor integrated circuit

Amplifiers – Sum and difference amplifiers

Reexamination Certificate

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Details

C330S252000, C330S253000

Reexamination Certificate

active

06985031

ABSTRACT:
A semiconductor integrated circuit is provided comprising a first amplifier circuit which receives a first potential and then supplies a current to an output terminal; a second amplifier circuit which receives a second potential and then absorbs a current from the output terminal; and a control circuit which controls the second amplifier circuit so as to allow the second amplifier circuit to be activated subsequently to a predetermined period of time that elapses after the first amplifier circuit is activated.

REFERENCES:
patent: 5083051 (1992-01-01), Whatley et al.
patent: 6066985 (2000-05-01), Xu
patent: 6480178 (2002-11-01), Itakura et al.
patent: 6501252 (2002-12-01), Fujise
patent: 58-188931 (1983-11-01), None
patent: 61-079312 (1986-04-01), None
patent: 63-133708 (1988-06-01), None
patent: 02-159118 (1990-06-01), None
patent: 07-106875 (1995-04-01), None
patent: 11-150427 (1999-06-01), None
patent: 2001-358570 (2001-12-01), None
patent: 2002-123326 (2002-04-01), None
Communication from Japanese Patent Office regarding related application.
Communication from Chinese Patent Office regarding related application.

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