G gary_choo New Member Sep 16, 2004 #1 Hello everybody, I'm Gary from Japan, i have some problem on finding out the Gain and Cut Off Frequency of a Op-Amp LPF using in my Audio circuit. Can anybody help me on the calculation and the theory as well as possible? Thanks for your help.. Attachments op_amp_lpf.jpg 19.3 KB · Views: 264
Hello everybody, I'm Gary from Japan, i have some problem on finding out the Gain and Cut Off Frequency of a Op-Amp LPF using in my Audio circuit. Can anybody help me on the calculation and the theory as well as possible? Thanks for your help..
chemelec Well-Known Member Sep 16, 2004 #2 Your circuit is using a Split Supply op-amp in a single supply circuit. But here is a typical operation of this type of LP Filters Lots of Math, Have Fun. Attachments lpf-3.jpg 99.7 KB · Views: 252
Your circuit is using a Split Supply op-amp in a single supply circuit. But here is a typical operation of this type of LP Filters Lots of Math, Have Fun.