hi guys ,
i am trying to make a 2nd order sallen key band pass filter from 0.05hz to 500hz .. when i am trying to simulate it my high pass is working fine and blocking the frequency at 0.05hz but my high pass filter isn't blocking at 500hz . sample goes for my notch filter i am created a 50hz notch filter in bode plot there is perfect 50 block but when i am giving the 50hz its not blocking . i am attaching both screeshots ..
will waiting for your help guys .. or if anyone have a 2nd rder filter schematic please share
i am trying to make a 2nd order sallen key band pass filter from 0.05hz to 500hz .. when i am trying to simulate it my high pass is working fine and blocking the frequency at 0.05hz but my high pass filter isn't blocking at 500hz . sample goes for my notch filter i am created a 50hz notch filter in bode plot there is perfect 50 block but when i am giving the 50hz its not blocking . i am attaching both screeshots ..
will waiting for your help guys .. or if anyone have a 2nd rder filter schematic please share
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