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#223: Basics of the Gilbert Cell | Analog Multiplier | Mixer | Modulator

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Published on Dec 21, 2015

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 is light on the math, 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. Video #193 (linked below) would be a good thing to review to freshen up on the diff-pair operation.

Differential Pair video:
https://www.youtube.com/watch?v=mejPN...

Show notes for this video:
http://www.dorkage.com/youtube/Gilber...

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