But what to use for the starting point? Enter an old Radio Shack P-Box stereo amplifier kit. After a few modernizations and tweaks, the result is an 8-transistor stereo amplifier that’s ...

(Transistors at this level would be solely used as switches for binary coding, not as amplifiers.) In fact, such a tiny device might make use of the quantum weirdness of the ultra-small.

The chopper amplifier relied on the simple premise that, using 1950s technology ... and the germanium transistor AC amplifier was able to do a good job of working with the resulting 50 Hz square ...

In this chapter we will study the transistor differential-amplifier circuit ... As we will see in future chapters, differential amplifiers make it easy to build circuits that use negative feedback.

from mobile phones and computers to radios and amplifiers. Transistors are made using a complex process called photolithography. This involves creating a pattern on a silicon wafer using a process ...