This report consists of describing the design and assembly of a filter circuit active low pass of 4th order Butterworth. The circuit is designed for cut-off frequency of 1 kHz and gain in average frequencies of 10 dB. From the analysis of the measured values, the circuit presented a gain of 9.8 dB in the passband and cut-off frequency of 1.1 KHz.

Filename	Size	Update
Relatorio_filtro_lab.pdf	1297506	2018-03-12

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