This paper describes an example of the distortion caused by the output circuit, as an impedance transformer, in the MF transmitter for AM stereophonic broadcasting. The frequency response, both amplitude and phase, in the output circuit including the antenna cause to several distortions on the carrier wave modulated by composite AM stereophonic signal. The practical examples of characteristics of the output circuit and antenna are used for this calculations such as frequency response, separation, harmonic distortion and so on.
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