Version 4
SHEET 1 2336 1268
WIRE 480 48 48 48
WIRE 480 128 480 48
WIRE 48 144 48 48
WIRE 304 208 192 208
WIRE 432 208 384 208
WIRE 192 240 192 208
WIRE 480 256 480 224
WIRE 48 352 48 224
WIRE 192 352 192 320
WIRE 192 352 48 352
WIRE 480 352 480 336
WIRE 480 352 192 352
WIRE 48 368 48 352
WIRE 880 496 528 496
WIRE 144 544 144 528
WIRE 880 576 880 496
WIRE 528 592 528 496
WIRE 144 640 144 624
WIRE 720 656 672 656
WIRE 832 656 800 656
WIRE 880 704 880 672
WIRE 208 720 144 720
WIRE 144 752 144 720
WIRE 528 800 528 672
WIRE 880 800 880 784
WIRE 880 800 528 800
WIRE 528 816 528 800
WIRE 144 848 144 832
WIRE 656 912 560 912
WIRE 832 912 752 912
WIRE 1104 912 1024 912
WIRE 1216 912 1184 912
WIRE 1376 912 1216 912
WIRE 1216 928 1216 912
WIRE 560 944 560 912
WIRE 1680 944 1680 912
WIRE 224 960 64 960
WIRE 512 960 480 960
WIRE 1632 960 1552 960
WIRE 1376 976 1328 976
WIRE 64 992 64 960
WIRE 752 992 752 912
WIRE 1024 992 1024 912
WIRE 512 1008 400 1008
WIRE 1216 1008 1216 992
WIRE 224 1024 176 1024
WIRE 560 1056 560 1024
WIRE 1632 1056 1632 1008
WIRE 1680 1056 1680 1024
WIRE 64 1104 64 1072
WIRE 752 1104 752 1072
WIRE 1024 1104 1024 1072
FLAG 48 368 0
FLAG 528 816 0
FLAG 144 640 0
FLAG 176 1024 clk
FLAG 144 528 clk
FLAG 480 960 target
FLAG 560 1056 0
FLAG 752 1104 0
FLAG 656 912 diff1
FLAG 832 912 int1
FLAG 1024 1104 0
FLAG 672 656 gate1
FLAG 144 848 0
FLAG 208 720 target
FLAG 64 1104 0
FLAG 64 960 actual
FLAG 1328 976 clk
FLAG 1680 912 gate1
FLAG 1632 1056 0
FLAG 1680 1056 0
FLAG 1216 1008 0
SYMBOL voltage 48 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL nmos 432 128 R0
SYMATTR InstName M1
SYMATTR Value BSB014N04LX3
SYMBOL voltage 480 240 R0
SYMATTR InstName V2
SYMATTR Value 0
SYMBOL bv 192 224 R0
SYMATTR InstName B1
SYMATTR Value V=10000*(2-I(V2))
SYMBOL voltage 528 576 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 10
SYMBOL nmos 832 576 R0
SYMATTR InstName M2
SYMATTR Value BSB014N04LX3
SYMBOL voltage 880 688 R0
SYMATTR InstName VM
SYMATTR Value 0
SYMBOL SpecialFunctions\\sample 304 992 R0
WINDOW 39 5 117 Left 2
SYMATTR InstName A1
SYMATTR SpiceLine Vt=0.5
SYMBOL voltage 144 528 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value PULSE(0 1 0 1n 1n .5u 1u)
SYMBOL e 560 928 R0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL bv 752 976 R0
SYMATTR InstName B4
SYMATTR Value V=idt(V(diff1)*1e3)
SYMBOL bv 1024 976 R0
SYMATTR InstName B5
SYMATTR Value V=1e-2*V(diff1)+1*V(int1)
SYMBOL voltage 144 736 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V6
SYMATTR Value 2
SYMBOL bv 64 976 R0
SYMATTR InstName B2
SYMATTR Value V=I(VM)
SYMBOL res 704 672 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL SpecialFunctions\\sample 1456 944 R0
WINDOW 39 5 117 Left 2
SYMATTR InstName A2
SYMATTR SpiceLine Vt=0.5
SYMBOL e 1680 928 R0
SYMATTR InstName E2
SYMATTR Value 1
SYMBOL res 1088 928 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL cap 1200 928 R0
SYMATTR InstName C1
SYMATTR Value 1p
SYMBOL res 288 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 1
TEXT 912 32 Left 2 !.tran 3m
TEXT 224 752 Left 2 ;2A
TEXT 912 64 Left 2 !.options gmin=1e-10 abstol=1e-10
TEXT 712 1160 Left 2 ;Integrator
TEXT 280 1152 Left 2 ;S/H
TEXT 1432 1152 Left 2 ;S/H
TEXT 1072 1144 Left 2 ;PI
TEXT 64 1152 Left 2 ;1V/A
TEXT 200 8 Left 2 ;Analog solution
TEXT 192 376 Left 2 ;Analog Regulator
RECTANGLE Normal 1776 1200 -16 464 2