Transistor circuit

Details Transistor circuit Transistor circuit

H - Electricity

03

K

328/146, 328/186

H03K 17/60 (2006.01) H03F 1/32 (2006.01) H03F 3/45 (2006.01) H03K 19/003 (2006.01) H03K 19/0185 (2006.01)

Patent

CA 2007635

PHN 12.814 26.04.1989 ABSTRACT: Transistor circuit. A transistor circuit, comprising a first differential amplifier which is composed of a differential pair and a current mirror. The transistor circuit in accordance with the invention comprises a second differential amplifier which measures a differential offset voltage and reduces this offset voltage by means of common mode current feedback. The transistor circuit thus offers a stable amplifier having a high speed and a low offset voltage. Such a transistor circuit can be advantageously used in a logic output buffer so that, for example an ECL output buffer can be realized in CMOS.

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