| 摘要 |
A transmitter for modulating an externally supplied audio signal according to a predetermined modulation system and for transmitting an obtained modulation signal includes a modulator for modulating the audio signal according to the modulation system; a balance convertor for converting the modulation signal in an unbalanced mode generated by the modulator into a balanced mode; and an antenna having a predetermined length formed by a leakage transmission line, the antenna emitting the modulation signal converted into the balanced mode.
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