This changes the voltage drop across the load resistance because V CC is constant. Transistor amplifiers Publisher Monterey, CA : U.S. Unlike BJTs, JFETs do not require a bias current and are controlled by using only a voltage. JFETs are used as: electrically controlled switches, current amplifiers, and voltage-controlled resistors. Electronic CircuitAmplifier Circuit, Analog and Digital, Analog Signal. Junction field effect transistors like BJTs are three lead semiconductor devices. 2N6487 General purpose NPN output transistor with a power rating up to 75W in a TO-220 package. Downlod free this book, Learn from this free book and enhance your skills.
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