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https://designers-guide.org/forum/YaBB.pl Design >> RF Design >> what's wrong with this code? (active filter PSpice https://designers-guide.org/forum/YaBB.pl?num=1114820185 Message started by Katerina on Apr 29th, 2005, 5:16pm |
Title: what's wrong with this code? (active filter PSpice Post by Katerina on Apr 29th, 2005, 5:16pm i am trying to design this bandpass filter [output V(6)] with fo=1kHz and BW=100Hz. I am sure that my design is corect but Pspice doesn't agree and gives me bandwidth of 500Hz Is there something wrong with my code? please help I use the following equation sto calculate R4,R5,R1,R2: fo=1/pi RC where R=R4=R5 and C=C1=C2 Q=R2/R they are standard for the Biquad filters Code:
![]() http://briefcase.pathfinder.gr/download/elbereth_gr/25716/419359/0/active+filter.jpg http://briefcase.pathfinder.gr/zoom/elbereth_gr/25716/419359 |
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