Subthreshold CMOS amplifier with wide input voltage range

Details Subthreshold CMOS amplifier with wide input voltage range Subthreshold CMOS amplifier with wide input voltage range

1990-09-10

1992-03-10

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330257, 330277, 330300, H03F 345

Patent

active

050952846

ABSTRACT:
A first linear voltage to current converter includes an MOS current source transistor with its gate connected to a source of fixed voltage, used to feed the source of an MOS follower transistor. A second linear voltage to current converter includes a bipolar current source transistor with its base connected to a source of fixed voltage, used to feed the source of an MOS follower transistor. A differential pair includes in each leg a bipolar current source transistor with its base connected to a source of fixed voltage feeding the source of an MOS follower transistor. A differential amplifer includes two circuit legs including these transistor circuits.

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