March 1, 2014

FCC Technician Exam Question Of The Day (T6B12)

Q) What is the term that describes a transistor's ability to amplify a signal?

A) Gain

NJ2X Notes:
The transistor's key feature is its ability to use a small signal applied to control a much larger signal (gain).  A transistor can amplify a signal by controlling its output proportionaly to the input signal.

Schematic symbol for the PNP transistor