Hello, Sorry, Olin, but I don't see your point. I though asking for information indicated I wanted to "do a little homework". I never asked anyone to design the filter for me. If you don't care to provide me with information so I can learn I understand. I do appreciate your other post. Donovan > > I was hoping someone would know of some good webpages addressing passband > > filters made from single op. amps. I have already read the link you > suggest > > and it is a bit skimpy on details and has very strict design criteria > (i.e. > > getting R1,R2,R3 to all be reasonable values is difficult unless you want > to > > go with a really small resistor for R2). > > Geesh man, do a little homework yourself. If all else fails you might have > to (Oh, no!) learn a little about passband filters so you can figure out > what you want for yourself. > > > ***************************************************************** > Embed Inc, embedded system specialists in Littleton Massachusetts > (978) 742-9014, http://www.embedinc.com > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body