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Lecture 10-Differential Pair

Lecture 10-Differential Pair - Lecture 10 Differential Pair...

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EE 214 Lecture 10 (HO#14) B. Murmann 1 Lecture 10 Differential Pair Boris Murmann Stanford University [email protected] Copyright © 2004 by Boris Murmann
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EE 214 Lecture 10 (HO#14) B. Murmann 2 Overview Reading 3.5.0, 3.5.3, 3.5.5 (Differential Pair) Introduction The differential pair is the most widely used two-transistor sub-circuit in analog ICs. As we have already seen last time, using a differential pair as a replacement for a simple common source stage eliminates the need for a precise gate bias voltage (V B ). In addition, its differential input and output voltages are more immune to parasitic signal coupling. Today we will analyze some properties of differential pairs and introduce the notion of common- and differential-mode signal components.
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