Version 4 SHEET 1 1124 680 WIRE 208 0 32 0 WIRE 384 0 288 0 WIRE 32 32 32 0 WIRE 384 32 384 0 WIRE 224 64 224 48 WIRE 32 144 32 112 WIRE 384 144 384 112 WIRE 80 208 32 208 WIRE 128 208 80 208 WIRE 240 208 208 208 WIRE 272 208 272 48 WIRE 272 208 240 208 WIRE 32 240 32 208 WIRE 272 256 272 208 WIRE 32 352 32 320 WIRE 272 352 272 320 FLAG 32 352 0 FLAG 272 352 0 FLAG 384 144 0 FLAG 224 64 0 FLAG 32 144 0 FLAG 384 0 out FLAG 240 208 ctrl1 FLAG 32 0 vcc FLAG 80 208 ctrl SYMBOL voltage 32 224 R0 WINDOW 3 -22 176 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value PULSE(5 0 100u 10n 10n 1m 2m) SYMBOL res 112 224 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL cap 256 256 R0 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL sw 192 0 R270 SYMATTR InstName S1 SYMATTR Value SW1 SYMBOL res 368 16 R0 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL voltage 32 16 R0 SYMATTR InstName V2 SYMATTR Value 5 TEXT 72 -104 Left 0 !.model SW1 SW(Ron=1 Roff=1G Vt=2.5) TEXT -80 -200 Left 0 !.tran 0 4m 0 1u TEXT -80 -168 Left 0 !.options plotwinsize=0 ; data compression off TEXT 576 -184 Left 0 !.MEAS t1a WHEN V(out)=4.99 \n.MEAS t2a WHEN V(out)=4.99 TD=2m\n.MEAS t1 WHEN V(out)=4.99 FALL 1\n.MEAS t2 WHEN V(out)=4.99 FALL 2\n \n.MEAS tctrl WHEN V(ctrl)=2.5\n.MEAS tdelay PARAM t1-tctrl TEXT -88 -320 Left 0 ;The result of .MEASURE can be viwed in the Error Log File.\n \nView -> SPCE Error Log