EDN

Discrete audio amplifier basics – Part 1: Bipolar junction transistor circuits

Solid-state device technologies, which are available to the amplifier designer, fall, broadly, into three categories: bipolar junction transistors (BJTs) and junction diodes; junction field effect ...
PBS

Lesson 4

In this lesson, students build two circuits and explore how transistors function. When Bell Labs introduced the transistor in June of 1948, a spokesman proudly announced "This cylindrical object . . .
EDN

What circuits textbooks haven’t told you about feedback amplifier and transistor port impedances

The recent EDN article of Bruce Trump () on the input impedance of an op-amp circuit took into account the single-pole roll-off of its loop gain. He showed with a simple derivation how the equivalent ...
ExtremeTech

What Is a Transistor, and How Does It Work?

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