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An amplifier is a core component used in electronic circuits to enhance signal amplitude. Its classification methods are diverse, and the following analysis is conducted from four dimensions: working principle, signal type, circuit structure, and application field to ensure that the keyword "amplifier" has a reasonable density and clear logic:
An amplifier in electronic components is a core device used to enhance the amplitude, power, or current of electrical signals. Its function is to amplify the characteristics of the input signal (such as voltage, current, power) in a specific ratio while maintaining the basic form of the signal (such as waveform, frequency). Amplifier is widely used in communication, audio processing, sensor signal conditioning, control systems and other fields, and is a key component of modern electronic systems.
