Semi Engine Parts Diagram - Main Ship Equipments | Equipment Types | Main Marine Manufacturers An English-Chinese-Japanese Dictionary of Technology =A=B=C=D=E=F=G=H=I=J=K=L=M=N=O=P=Q=R=S=T=U=V=W. 1. INTRODUCTION - A transistor is a small electronic device that can cause changes in a large electrical output signal by small changes in a small input signal.That is, a weak input signal can be amplified (made stronger) by a transistor. For example, very weak radio signals in the air can be picked up by a wire antenna and processed by transistor amplifiers until they are strong enough to be. Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for..