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Everything about Common drain

Electronic amplifier circuit type

In electronics, a common-drain amplifier, also known as a source follower, is one of three basic single-stage field-effect transistor (FET) amplifier topologies, typically used as a voltage buffer. In this circuit (NMOS) the gate terminal of the transistor serves as the signal input, the source is the output, and the drain is common to both, hence its name. Because of its low dependence on the load resistor on the voltage gain, it can be used to drive low resistance loads, such as a speaker. The analogous bipolar junction transistor circuit is the common-collector amplifier. This circuit is also commonly called a "stabilizer". Wikipedia →

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  4. Read the landmark paper: Photoeffects in common-source and common-drain microwave GaAs MESFET oscillatorsCited 20 times
  5. Go sideways: Buffer amplifierA closely related topic
  6. Go sideways: Common collectorA closely related topic

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