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Bi_quad_RC_active_bandpass_filter

2017-02-16 17:34  
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Bi_quad_RC_active_bandpass_filter
This circuit uses three LM3900 Norton amplifiers as a 1-kHz bandpass filter with a Q of 50, and a gain of 100 (40 dB). National Semiconductor, Linear Applications Handbook, 1991, p. 230.