Lecture

Current Mirrors: Differential Pair with Active Load

Description

This lecture covers the concept of a five-transistor OTA, which consists of a differential pair with an active load. The instructor explains how to combine the drain currents of the transistors involved and analyzes small-signal and gain approximations. The lecture delves into the analysis of the output impedance and common-mode properties of the circuit. It also discusses the gain comparison between single-ended and differential topologies, highlighting the advantages of differential operation. The lecture concludes with a detailed examination of the common-mode rejection ratio (CMRR) and its implications in circuit design.

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