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Carrier detecting system

阅读:670发布:2021-08-17

专利汇可以提供Carrier detecting system专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain a carrier detector having a fast detecting speed and being immune from noise, by obtaining a mean value of an inputted carrier signal with a non-recursive filter, and discriminating this mean value. CONSTITUTION:A mean value signal is outputted from a carrier signal at a mean value calculating circuit 13 comprising the non-recursive filter after passing through a full-wave rectifier 12. The mean value signal from the circuit 13 is compared with an ON (high) level from an ON-threshold setter 18 at a discriminating circuit 14, and when the mean value signal exceeds the on-level, an FF15 is set and a carrier detecting signal is oututted to the output side. Further, the detecting signal switches the discriminating level to an OFF (low) level. When the mean value signal reaches the off-level or below, the discriminating circuit 14 outputs an off-signal to an OFF-counter 16 to count a clock and when the counter 16 counts a prescribed number, the FF15 is reset.,下面是Carrier detecting system专利的具体信息内容。

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