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Amplifier Circuit Symbols

The amplifiers are electronic circuits or stages whose main function is to increase the voltage, current intensity, or the power of the signal that is applied to its input, obtaining the increased signal in the output.

Symbols of Amplifier Circuits

Symbol Description Symbol Description
Amplifier symbol Amplifier
Generic symbol
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  Amplifier two lines symbol Amplifier two lines
Amplifier with bypass symbol Amplifier with bypass   HF amplifier symbol HF amplifier
(High Frequency)
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IF amplifier symbol IF amplifier
(Intermediate Frequency)
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  LF amplifier symbol LF amplifier
(Low Frequency)
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Norton amplifier symbol Norton amplifier
Operational transconductance amplifier - OTA
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  Operational Amplifier symbol / Op-Amp symbols Operational Amplifier / Op-Amp
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Operational Amplifier symbol / Op-Amp symbols Operational Amplifier / Op-Amp   Operational Amplifier symbol / Op-Amp symbols Operational Amplifier / Op-Amp
Differential amplifier symbols Differential amplifier   Operational transductance amplifier Operational transductance amplifier
Operational amplifier integrator symbols Operational amplifier integrator   Schmitt-trigger symbol Schmitt-trigger
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Variable gain amplifier Variable gain amplifier
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  Symbol of magnetic amplifier Magnetic amplifier
Variable amplifier with external DC control symbol Variable amplifier with external DC control      
Repeater symbols
Other symbols of electronic circuits
Logic circuit symbols (Digital Electronic)
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