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The gilbert cell#

The gilbert cell, is a building block circuit named after Barry Gilbert.

Video#

A short tutorial on the basics of the Gilbert Cell - a very popular analog four-quadrant multiplier circuit that has a wide variety of applications ranging from variable gain amplifiers to mixers and balanced modulators. The video sheds light on the maths, focusing mainly on delivering a practical, intuitive understanding of how the circuit operates. It is highly recommended that the viewer be familiar with the basic operation of a differential-pair.

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