1 * tw checking consecutive TWs
14 z1 nin 0 my_rcd (RE=10 , RC0=10, RC1=10, REDUMMY=0, RCDUMMY=0, WEIGHT=1 )
17 V1 nin 0 pulse ( iv=0 pv=amplitude delay=delay rise=1n fall=1n width=width period=period )
28 .print tw amplitude vc(z1) tr(z1) trr(z1) tra(z1) wdt(z1) tr(z1) dtt(0) order(z1)