Electronic examples M=2 2 R(s) 4=arcg°-acgo2 c0=ue宁+Msin(aw+) Low-pass filter High-pass filter Band-pass filter 日96Electronic examples  Low-pass filter High-pass filter Band-pass filter ( ) sin( ) 1       c t ae M t t T 1 1 ( ) ( ) ( )    Ts G s R s C s arctg T c b arctg T c M b             2 2 2 2 2 1 1