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ATOS high frequency power amplifier is an important component of transmission device in communication system. According to the width of its working frequency band, it can be divided into narrowband high-frequency power amplifier and broadband high-frequency power amplifier. Narrow band high-frequency power amplifier usually takes the frequency selection circuit with the function of frequency selection and filtering as the output loop, so it is also called tuned power amplifier or resonant power amplifier; The output circuit of broadband high-frequency power amplifier is a transmission line transformer or other broadband matching circuit, so it is also called an untuned power amplifier




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