Balanced differential amplifier without common-mode feedback cir

Details Balanced differential amplifier without common-mode feedback cir Balanced differential amplifier without common-mode feedback cir

1998-06-05

2000-12-12

Shingleton, Michael B

Amplifiers

Sum and difference amplifiers

330 84, 330258, 330124R, H03F 345

Patent

active

061604461

ABSTRACT:
An integrated circuit comprising a balanced differential amplifier. The balanced differential amplifier has a first single-ended differential amplifier coupled at a first negative differential input terminal to a first input signal through a feedback network also coupled to an output terminal of the first amplifier. The first amplifier is also coupled at a first positive differential input terminal to a second input signal through a first resistor and to a reference voltage. The balanced differential amplifier also has a second single-ended differential amplifier coupled at a second negative differential input terminal to the second input signal through a second feedback network also coupled to an output terminal of the second amplifier. The second amplifier is also coupled at a second positive differential input terminal to the first input signal through a second resistor and to the reference voltage.

REFERENCES:
patent: 3566298 (1971-02-01), Stevens
patent: 4088961 (1978-05-01), Ashley
patent: 5557238 (1996-09-01), Weiss
patent: 5822426 (1998-10-01), Rasmus et al.

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