Understanding BJT and FET Transistors in Electronics
Learn about the differences between BJT (NPN, PNP) and FET transistors like JFET and MOSFET. Explore characteristics such as voltage gain, current gain, input/output impedance, noise generation, and switching time. Discover when each type is best suited for specific applications.
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Presentation Transcript
JFET(Junction Field Effect Transistor) Two kinds: N-channel JFET P-channel JFET
BJT VS FET BJT FET High voltage gain Low current gain Low input impedance Low output impedance Medium Noise Generation Medium switching time Robust Requires zero input to turn it "OFF" Low voltage gain High current gain Very high input impedance High output impedance Low Noise generation Fast switching time Easily damaged Some need an input to turn it "OFF"
