Amplifier Applications

An amplifier may be defined as an electronic circuit designed to increase the amplitude of an electronic signal. Amplifier circuits are one
of the most basic circuits in electronics. Amplifier circuits make signal level greater, sound louder, and provide the circuit with gain. Gain is the ability of an electronic circuit to increase the amplitude of an electronic signal. This chapter looks at some unique types of amplifier circuits.

DIRECT-COUPLED AMPLIFIERS

AUDIO AMPLIFIERS

VIDEO AMPLIFIERS

RF AND IF AMPLIFIERS

OPERATIONAL AMPLIFIERS

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