Aug 8, 2013 #1 R rp276 Newbie level 5 Joined Jun 5, 2013 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,334 if a capacior is inserted in the negative feedback in series with the resistance...how the highpass filter will behave. please explain?
if a capacior is inserted in the negative feedback in series with the resistance...how the highpass filter will behave. please explain?
Aug 8, 2013 #2 kam1787 Advanced Member level 3 Joined Jul 5, 2010 Messages 926 Helped 167 Reputation 340 Reaction score 168 Trophy points 1,323 Location English Activity points 5,825 there is lots of documentaion on HP filters if you Google it. Maybe try Google first, and then ask for help in understanding the article http://www.electronics-tutorials.ws/filter/filter_6.html http://www.swarthmore.edu/NatSci/echeeve1/Ref/FilterBkgrnd/Filters.html http://www.radio-electronics.com/info/circuits/opamp_high_pass_filter/op_amp_highpassfilter.php **broken link removed** **broken link removed** http://www.bowdenshobbycircuits.info/opamp.htm - - - Updated - - - there is lots of documentaion on HP filters if you Google it. Maybe try Google first, and then ask for help in understanding the article http://www.electronics-tutorials.ws/filter/filter_6.html http://www.swarthmore.edu/NatSci/echeeve1/Ref/FilterBkgrnd/Filters.html http://www.radio-electronics.com/info/circuits/opamp_high_pass_filter/op_amp_highpassfilter.php http://www.electronicproducts.com/Op_Amp_High_Pass_Butterworth_Filter_Calculator.aspx http://www.ece.tamu.edu/~kentesar/ELEN457/ELEN457_4.pdf http://www.bowdenshobbycircuits.info/opamp.htm
there is lots of documentaion on HP filters if you Google it. Maybe try Google first, and then ask for help in understanding the article http://www.electronics-tutorials.ws/filter/filter_6.html http://www.swarthmore.edu/NatSci/echeeve1/Ref/FilterBkgrnd/Filters.html http://www.radio-electronics.com/info/circuits/opamp_high_pass_filter/op_amp_highpassfilter.php **broken link removed** **broken link removed** http://www.bowdenshobbycircuits.info/opamp.htm - - - Updated - - - there is lots of documentaion on HP filters if you Google it. Maybe try Google first, and then ask for help in understanding the article http://www.electronics-tutorials.ws/filter/filter_6.html http://www.swarthmore.edu/NatSci/echeeve1/Ref/FilterBkgrnd/Filters.html http://www.radio-electronics.com/info/circuits/opamp_high_pass_filter/op_amp_highpassfilter.php http://www.electronicproducts.com/Op_Amp_High_Pass_Butterworth_Filter_Calculator.aspx http://www.ece.tamu.edu/~kentesar/ELEN457/ELEN457_4.pdf http://www.bowdenshobbycircuits.info/opamp.htm
Aug 8, 2013 #3 keith1200rs Super Moderator Staff member Joined Oct 9, 2009 Messages 10,865 Helped 2,065 Reputation 4,130 Reaction score 1,597 Trophy points 1,403 Location Yorkshire, UK Activity points 57,270 rp276 said: if a capacior is inserted in the negative feedback in series with the resistance...how the highpass filter will behave. please explain? Click to expand... If there is no DC path between the output and the inverting input then the answer is "very badly". The opamp will saturate at one rail or the other. Keith
rp276 said: if a capacior is inserted in the negative feedback in series with the resistance...how the highpass filter will behave. please explain? Click to expand... If there is no DC path between the output and the inverting input then the answer is "very badly". The opamp will saturate at one rail or the other. Keith