| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an analog low-pass filter which may be used in a variety of applications and in ultrawide band applications. <P>SOLUTION: An electronic circuit for processing a digital signal 201 includes a plurality of digital delay circuits 203, 205, 207, each configured to produce a delayed replica of the digital signal; a plurality of digital-to-analog converters 211, 213, 215, 217, each configured to convert the digital signal or the delayed replica from one of the delay circuits into an analog signal; a plurality of analog gain circuits 221, 223, 225, 227, each configured to adjust the analog signal from the digital-to-analog converters by a gain factor and each having an output; and an analog summer 231 configured to sum the outputs of the analog gain circuits. <P>COPYRIGHT: (C)2013,JPO&INPIT |
