* highpass notch v1 vin 0 dc 0 ac 1 sin 0 1V 1kHz c1 vin vout 62n * c2 for 0.555Hz zero (33 1/3 RPM) c2 vout vc2l 47u * c2 for 0.75Hz zero (45 RPM) *c2 vout vc2l 34.8148u l1 vc2l 0 1.74617k rl vout 0 100k .end .control ac dec 20 0.01 100 plot db(vout) plot vp(vout) ac dec 10000 0.5 0.75 plot db(vout) .endc