Version 4
SHEET 1 2024 1392
WIRE 288 0 288 -16
WIRE 496 80 448 80
WIRE 560 80 496 80
WIRE 608 80 560 80
WIRE 80 128 -32 128
WIRE 160 128 80 128
WIRE -32 144 -32 128
WIRE -384 160 -416 160
WIRE -352 160 -384 160
WIRE -240 160 -272 160
WIRE -208 160 -240 160
WIRE -128 160 -208 160
WIRE -80 160 -128 160
WIRE 288 176 288 160
WIRE -208 192 -208 160
WIRE 656 208 656 192
WIRE 864 208 752 208
WIRE -416 240 -416 160
WIRE 160 256 144 256
WIRE 368 256 240 256
WIRE 560 256 560 80
WIRE 560 256 416 256
WIRE -208 288 -208 256
WIRE -128 288 -128 160
WIRE 144 288 144 256
WIRE 144 288 -128 288
WIRE 608 288 608 80
WIRE 832 304 800 304
WIRE -416 352 -416 320
WIRE 288 352 288 336
WIRE 1280 400 1280 384
WIRE 1488 400 1440 400
WIRE 1600 400 1568 400
WIRE 496 432 448 432
WIRE 560 432 496 432
WIRE 608 432 608 320
WIRE 608 432 560 432
WIRE 912 432 912 416
WIRE 1168 432 1008 432
WIRE 1728 464 1696 464
WIRE 1776 464 1728 464
WIRE 1904 464 1856 464
WIRE 80 480 80 128
WIRE 160 480 80 480
WIRE 1168 496 1168 432
WIRE 1440 496 1440 400
WIRE 1440 496 1392 496
WIRE 1904 496 1904 464
WIRE 864 512 864 208
WIRE 1696 512 1696 464
WIRE 288 528 288 512
WIRE 1168 528 1056 528
WIRE 1488 528 1392 528
WIRE 1600 528 1600 400
WIRE 1600 528 1568 528
WIRE 1648 528 1600 528
WIRE 864 544 752 544
WIRE 1168 560 1120 560
WIRE 1440 560 1392 560
WIRE 1648 576 1632 576
WIRE 1904 592 1904 560
WIRE -128 608 -128 288
WIRE 160 608 -128 608
WIRE 368 608 240 608
WIRE 560 608 560 432
WIRE 560 608 416 608
WIRE 1632 608 1632 576
WIRE 1696 608 1696 592
WIRE 1696 608 1632 608
WIRE 1696 624 1696 608
WIRE 1440 640 1440 560
WIRE 1488 640 1440 640
WIRE 1600 640 1600 528
WIRE 1600 640 1568 640
WIRE 912 688 912 672
WIRE 1008 688 1008 624
WIRE 288 736 288 720
WIRE 1488 752 1440 752
WIRE 1600 752 1600 640
WIRE 1600 752 1568 752
WIRE 832 768 832 304
WIRE 864 768 832 768
WIRE 1120 784 1120 560
WIRE 1120 784 1056 784
WIRE 1440 784 1440 752
WIRE 864 800 832 800
WIRE 496 816 448 816
WIRE 560 816 496 816
WIRE 608 816 560 816
WIRE 80 864 80 480
WIRE 160 864 80 864
WIRE 224 928 160 928
WIRE 288 928 288 896
WIRE 288 928 272 928
WIRE 1328 928 1328 912
WIRE 656 944 656 928
WIRE 752 944 752 544
WIRE -128 992 -128 608
WIRE 160 992 -128 992
WIRE 368 992 240 992
WIRE 560 992 560 816
WIRE 560 992 416 992
WIRE 896 1008 896 992
WIRE 1024 1008 1024 992
WIRE 1168 1008 1168 992
WIRE 608 1024 608 816
WIRE 832 1040 832 800
WIRE 832 1040 800 1040
WIRE 1328 1040 1328 1008
WIRE 288 1088 288 1072
WIRE 896 1120 896 1088
WIRE 1024 1120 1024 1088
WIRE 1168 1120 1168 1088
WIRE 496 1168 448 1168
WIRE 560 1168 496 1168
WIRE 608 1168 608 1056
WIRE 608 1168 560 1168
WIRE 80 1216 80 864
WIRE 160 1216 80 1216
WIRE 224 1280 160 1280
WIRE 288 1280 288 1248
WIRE 288 1280 272 1280
WIRE -128 1344 -128 992
WIRE 160 1344 -128 1344
WIRE 368 1344 240 1344
WIRE 560 1344 560 1168
WIRE 560 1344 416 1344
FLAG 1024 1120 0
FLAG 288 -16 VDD
FLAG 1024 992 VDD
FLAG 896 1120 0
FLAG 896 992 VCM
FLAG 496 80 Vo1
FLAG -208 288 0
FLAG -416 352 0
FLAG -384 160 Vin
FLAG -240 160 Vint
FLAG 160 32 VCM
FLAG 400 240 VDD
FLAG 288 176 phi1
FLAG 288 336 VDD
FLAG 496 432 Vo2
FLAG 160 384 VCM
FLAG 400 592 VDD
FLAG 288 528 phi2
FLAG 288 720 VDD
FLAG 496 816 Vo3
FLAG 160 768 VCM
FLAG 400 976 VDD
FLAG 288 1072 VDD
FLAG 496 1168 Vo4
FLAG 160 1120 VCM
FLAG 400 1328 VDD
FLAG 240 912 VDD
FLAG 240 1264 VDD
FLAG 160 928 phi1
FLAG 160 1280 phi2
FLAG 1168 1120 0
FLAG 1168 992 phi1
FLAG 1328 1040 0
FLAG 1328 912 phi2
FLAG 752 400 0
FLAG 752 1136 0
FLAG 656 192 VDD
FLAG 656 928 VDD
FLAG 912 416 VDD
FLAG 912 672 VDD
FLAG 1008 880 0
FLAG -80 208 VCM
FLAG -32 224 VCM
FLAG 1440 784 0
FLAG 1904 592 0
FLAG 1696 624 0
FLAG 1904 464 out
FLAG 1728 464 dout
FLAG 1280 384 VDD
FLAG 1280 640 phi1
SYMBOL Ideal_clocked_comparator 208 80 R0
SYMATTR InstName X1
SYMBOL voltage 1024 992 R0
WINDOW 0 48 35 Left 0
WINDOW 3 67 71 Left 0
SYMATTR InstName VDD
SYMATTR Value 1
SYMBOL voltage 896 992 R0
WINDOW 0 35 39 Left 0
WINDOW 3 39 74 Left 0
SYMATTR InstName VCM
SYMATTR Value 0.5
SYMBOL cap -224 192 R0
WINDOW 0 40 14 Left 0
WINDOW 3 36 49 Left 0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL res -256 144 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName RI
SYMATTR Value 10k
SYMBOL res 256 240 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName RF
SYMATTR Value 40k
SYMBOL voltage -416 224 R0
WINDOW 0 35 31 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -58 144 VLeft 0
SYMATTR InstName Vin
SYMATTR Value SINE(0.5 0.5 500k)
SYMBOL inverter 416 256 M0
SYMATTR InstName X2
SYMBOL e -32 128 R0
SYMATTR InstName E1
SYMATTR Value 100
SYMBOL Ideal_clocked_comparator 208 432 R0
SYMATTR InstName X3
SYMBOL res 256 592 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName RF1
SYMATTR Value 40k
SYMBOL inverter 416 608 M0
SYMATTR InstName X4
SYMBOL Ideal_clocked_comparator 208 816 R0
SYMATTR InstName X5
SYMBOL res 256 976 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName RF2
SYMATTR Value 40k
SYMBOL inverter 416 992 M0
SYMATTR InstName X6
SYMBOL Ideal_clocked_comparator 208 1168 R0
SYMATTR InstName X7
SYMBOL res 256 1328 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName RF3
SYMATTR Value 40k
SYMBOL inverter 416 1344 M0
SYMATTR InstName X8
SYMBOL inverter 224 928 R0
SYMATTR InstName X9
SYMBOL inverter 224 1280 R0
SYMATTR InstName X10
SYMBOL voltage 1168 992 R0
WINDOW 0 48 35 Left 0
WINDOW 3 34 93 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vphi1
SYMATTR Value PULSE(0 1 0 100p 100p 4.8n 10n)
SYMBOL voltage 1328 912 R0
WINDOW 0 48 35 Left 0
WINDOW 3 34 93 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vphi2
SYMATTR Value PULSE(0 1 2.5n 100p 100p 4.8n 10n)
SYMBOL Adderbit 624 384 R0
SYMATTR InstName X11
SYMBOL Adderbit 624 1120 R0
SYMATTR InstName X12
SYMBOL Adderbit 880 608 R0
SYMATTR InstName X13
SYMBOL Adderbit 880 864 R0
SYMATTR InstName X14
SYMBOL res 1584 384 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 1584 512 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 20k
SYMBOL res 1584 624 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 40k
SYMBOL res 1584 736 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 40k
SYMBOL e 1696 496 R0
SYMATTR InstName E2
SYMATTR Value 2
SYMBOL res 1872 448 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL cap 1888 496 R0
SYMATTR InstName C2
SYMATTR Value 10p
SYMBOL 3_bit_register 1200 608 R0
SYMATTR InstName X15
TEXT 928 1200 Left 0 !.tran 0 2u 500n .1n uic
TEXT 920 1232 Left 0 !.options plotwinsize=0
TEXT -128 64 Left 0 ;Gain to reduce \ncomparator offset\neffects
TEXT 936 384 Left 0 ;Filter out, 000 (0) to 100 (+4)