Op Amps: Audio Compressor 

In this video we take a look at a basic audio compressor. This design utilizes an operational transconductance amplifier, or OTA. The OTA is configured as a voltage controlled amplifier. Before watching this video, it is strongly recommended that you watch the video covering OTAs (right before this one in the Op Amps playlist), and read about them in my op amps text.
References: Operational Amplifiers: Theory and Application, Chapter 6 section 7.
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