simulator lang=spectre 
v0 (vdd! 0) vsource type=dc dc=1.8 
v1 (A 0) vsource type=pwl wave=[0n 1.8 2n 1.8 2.2n 0 4.2n 0 4.4n 1.8 6.4n 1.8] 
v3 (B 0) vsource type=pwl wave=[0n 1.8 2n 1.8 2.2n 1.8 4.2n 1.8 4.4n 1.8 6.4n 1.8]
v2 (gnd! 0) vsource type=dc dc=0 
ca (Out 0) capacitor c=15f 
save ca:current 
save :pwr 
