Global Power Amplifier Market is classified on the basis of
type, applications, conduction angle, technology and geography. Amplifier
circuits form the basis of most electronic systems, many of which need to
produce high power to drive some output device. Power amplifier is a device
that accepts an electrical signal and amplifies it further. Mainly, the power
boost is significantly gained by increasing the voltage of input signal. A
power amplifier is thus used to power an output source, such as a stereo
speaker, a relay or a motor.
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The three main components of
power amplifiers are the power supply, the input stage and the output stage.
The power supply receives alternating current (AC) from an electrical outlet
and converts it to direct current (DC). The power supply sends the DC signal to
the input stage, where it is processed and prepared for the output stage. The
signal is then transferred to the output stage, where the actual amplification
of the signal takes place. The output stage is connected to the speaker.
Power amplifiers are graded in
terms of power units known as watts. The grading is referred to as the
amplifier's power rating. The power rating reflects the maximum output that the
power amplifier is capable of producing. The key factors that propel the growth
of the global Marketinclude development of next-generation wireless networks.
Growing usage of mobile communication devices also adds to the driving factors.
Power Amplifier Marketis
classified on the basis of type as audio-power amplifiers and radio-power
amplifiers.Audio-power amplifiers are also called the small signal power
amplifiers; raise the power levels of signals that have audio-frequency range
(20 Hz- 20 kHz).Radio-power amplifiers are also called large signal power
amplifiers raise the power level of signals that have radio frequency range.
They amplify a specific frequency or narrow band of frequencies while rejecting
all other frequencies. Further, on the basis ofapplications the market is
bifurcated as smartphones, feature phones, connected tablets, and others. Based
on conduction angle the market is bifurcated as Class A, Class B, Class AB,
Class C and Class D. Based on type of technology, the market is bifurcated as
as GaAs, GaN, and SiGe, and CMOS.
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