xiexi
Member level 4
I want 4kHz LPF, I design R=780K, C=10pF, and 3 same RC in series, the -3dB is about 4KHz, is the design right?
if right but the size is too big to integrate in IC, can anyone give me some instruction to design a low cost LPF, thanks!
if right but the size is too big to integrate in IC, can anyone give me some instruction to design a low cost LPF, thanks!