Sep 20, 2007 #1 R rampat Member level 4 Joined Jun 27, 2007 Messages 69 Helped 4 Reputation 8 Reaction score 1 Trophy points 1,288 Location bangalore Visit site Activity points 1,756 i have transfer function for my filter as following, H(s) = -47.826E03*s/ [(5E5+s)*(s+304.34)] Can anyone tell me how implement this using SC filters?
i have transfer function for my filter as following, H(s) = -47.826E03*s/ [(5E5+s)*(s+304.34)] Can anyone tell me how implement this using SC filters?
Sep 21, 2007 #2 Y Yanhui Newbie level 6 Joined Mar 6, 2006 Messages 12 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,281 Location China Visit site Activity points 1,342 SC implemantaion u can use biquad structure to get this BPF TF. See ch9.6 of "CMOS analog circuit design; Phillip E. Allen..."
SC implemantaion u can use biquad structure to get this BPF TF. See ch9.6 of "CMOS analog circuit design; Phillip E. Allen..."
Sep 22, 2007 #3 Y yibinhsieh Full Member level 4 Joined Apr 25, 2005 Messages 194 Helped 19 Reputation 38 Reaction score 5 Trophy points 1,298 Visit site Activity points 2,845 Re: SC implemantaion First, you need to transfer the filter from s-domain to z-domain. You can use bilinear transformation. Then you get the coefficicent in z-domain. After that, you need to choose high-Q or low-Q SC architecture. Usually, low-Q SC has small area. Yibin.
Re: SC implemantaion First, you need to transfer the filter from s-domain to z-domain. You can use bilinear transformation. Then you get the coefficicent in z-domain. After that, you need to choose high-Q or low-Q SC architecture. Usually, low-Q SC has small area. Yibin.