| 摘要 |
PROBLEM TO BE SOLVED: To provide a function for easily and accurately executing work for adjusting the carrier of FM multiple signals, required for making connection to an FM stereo modulator in phase and level of those of the pilot signal of the FM stereo signal in an FM multiple signal generator, used for developing and manufacturing an FM multiple broadcasting correspondence receiver. SOLUTION: A digital signal synthesis processing section 3 of the FM multiple signal generator comprises an inverted pilot signal generating section 19, an FM stereo signal input terminal 10, an amplitude detection circuit 9, and an A/D converter 8. Further, a control section 9 comprises a phase/level optimization means 27 for easily and accurately adjusting carriers to be in phase and level as those of the pilot signal of the FM stereo modulator.
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