探討了濾波器設(shè)計的概念，內(nèi)容包括低通、高通、butterworth和陷波濾波器。

Chapter 6 of the NI Multisim Fundamental Circuits series investigates a number of filter designs with interactive SPICE simulation and analyses. Topics include low-pass, high-pass, butterworth, and notch filters. Download the circuits in the zip file attached below.

The following circuits are available for download and use in NI Multisim 10 and above.
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?084? First Order-Low Pass Filter.ms10
?085? Second-Order Low-Pass Filter.ms10
?087? Sallen-Key Second-Order Low-Pass Filter.ms10?
?088? Third-Order Low-Pass Filter.ms10
?089? High-Pass Active Filter.ms10
?091? Second-Order High-Pass Filter.ms10?
?092? Butterworth Second-Order High-Pass Filter.ms10
?093? Third-Order High-Pass Filter.ms10?
?095? Wideband Bandpass Filter.ms10?
?096? Speech Filter.ms10
?097? Narrow Bandpass Filter.ms10?
?099? Active Bandpass Filter.ms10?
?101? Active Notch Filter.ms10??