{"title":"活跃的过滤器","authors":"M. Quiñones","doi":"10.1201/9781315219677-58","DOIUrl":null,"url":null,"abstract":"An electronic filter is a device that transforms an input signal in some specified way to produce the output signal. The filters discussed in this chapter are specified in the frequency domain, and attenuate a range of frequencies. Filters are classified according to the way groups of frequencies are transmitted, as low-pass, high-pass, pass-band, and band-stop. The frequency response of ideal filters are depicted in figure 1. The transfer function of a real filter will only approximate these response. For the linear filters that we will discuss, filters can be approximated by","PeriodicalId":166558,"journal":{"name":"The Electrical Engineering Handbook - Six Volume Set","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"13","resultStr":"{\"title\":\"Active Filters\",\"authors\":\"M. Quiñones\",\"doi\":\"10.1201/9781315219677-58\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An electronic filter is a device that transforms an input signal in some specified way to produce the output signal. The filters discussed in this chapter are specified in the frequency domain, and attenuate a range of frequencies. Filters are classified according to the way groups of frequencies are transmitted, as low-pass, high-pass, pass-band, and band-stop. The frequency response of ideal filters are depicted in figure 1. The transfer function of a real filter will only approximate these response. For the linear filters that we will discuss, filters can be approximated by\",\"PeriodicalId\":166558,\"journal\":{\"name\":\"The Electrical Engineering Handbook - Six Volume Set\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-12-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"13\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Electrical Engineering Handbook - Six Volume Set\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1201/9781315219677-58\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Electrical Engineering Handbook - Six Volume Set","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1201/9781315219677-58","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An electronic filter is a device that transforms an input signal in some specified way to produce the output signal. The filters discussed in this chapter are specified in the frequency domain, and attenuate a range of frequencies. Filters are classified according to the way groups of frequencies are transmitted, as low-pass, high-pass, pass-band, and band-stop. The frequency response of ideal filters are depicted in figure 1. The transfer function of a real filter will only approximate these response. For the linear filters that we will discuss, filters can be approximated by
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