Amplifier and method for voltage-to-current conversion

Details Amplifier and method for voltage-to-current conversion Amplifier and method for voltage-to-current conversion

2005-02-15

2005-02-15

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S257000

Reexamination Certificate

active

06856198

ABSTRACT:
An amplifier includes a differential unit including an input port to receive a voltage input signal, a current mirror unit including an output port, and a voltage-to-current conversion unit to couple the differential unit to the current mirror unit and to generate a current signal to drive the current mirror unit to generate a current output signal at the output port. A method includes receiving a voltage input signal at an input port of a differential unit, converting the voltage input signal to a current signal, and driving a current mirror with the current signal to generate an current output signal at an output port.

REFERENCES:
patent: 4267519 (1981-05-01), Schade, Jr.
patent: 4797583 (1989-01-01), Ueno et al.
patent: 4800339 (1989-01-01), Tanimoto et al.
patent: 6614302 (2003-09-01), Abe

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