Equalizer

阅读:666发布:2022-02-23

专利汇可以提供Equalizer专利检索,专利查询,专利分析的服务。并且A multibump equalizer having a main path which comprises an amplifier and a summing network and a plurality of feedback paths each including an individual amplifier and shaping network connected from the output of the equalizer to individual inputs to the summing network. All amplifiers and the summing network can be realized with a single operational amplifier.,下面是Equalizer专利的具体信息内容。

1. An equalizer having input and output terminals comprising a first amplifier, a plurality of second amplifiers, a summing network having a plurality of inputs and a single output, a plurality of shaping networks, means serially connecting said equalizer input terminal, said first amplifier, one input of said plurality of inpuTs to said summing network, and said equalizer output terminal, a plurality of parallel negative feedback loops, each of which serially connects an individual one of said plurality of shaping networks and an individual one of said plurality of second amplifiers from said output terminal of said equalizer to a respective individual input of said plurality of inputs of said summing network, each of said shaping networks including a network that provides an individual bump loss versus frequency characteristic over an individual predetermined frequency range which overlaps with the adjacent individual frequency ranges of other of said shaping networks to provide continuous multibump equalization over the entire frequency spectrum to be equalized, a control network, and means connecting said control network to said equalizer output terminal and to each of said plurality of shaping networks to control the amplitude of the bump loss versus frequency characteristic of each of said shaping networks in said parallel negative feedback loops in accordance with a reference signal at said equalizer output terminal.
2. An equalizer in accordance with claim 1 wherein said first amplifier, said plurality of second amplifiers, and said summing network comprises a single operational amplifier.
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