Transistors - NPN & PNP - Basic Introduction

Working of Transistors

How Does a Transistor Work?

A Different FM Radio Design – Transistor Tuner and Built-in Antenna

First MAGNAVOX transistor radio - 1956 - hand-wired, made in USA, first and only Sentinel transistor

The most influential transistor radio design of all time 1958 Sony vintage unboxing

Transistors Explained - What is a transistor?

Transistors Explained - How transistors work

Transistors, How do they work?