October 2010
Intermediate to advanced
320 pages
8h 34m
English
Content preview from Electronic Circuits for the Evil Genius 2/E
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SECTION 15What Is an Amplifier?
WATER IS ALWAYS A GREAT ANALOGY. A small amount of power on the handle allows a very large amount of power to flow from the source through the amplifier.
Lesson 49Transistors as Amplifiers and Defining Current
So, what is an amplifier? It takes a small signal and makes it bigger. Signals are made of both voltage and current.
The definition from dictionary.com is very simple.
am·pli·fy—verb. 1. To make larger or more powerful; increase. 2. To add to, as by illustrations; make complete. 3. To exaggerate. |
4. Electronics—To produce amplification of or to amplify an electrical signal. |
am·pli·fi·er—noun. 1. One ... |
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