Version 4
SHEET 1 3944 2440
WIRE 1088 -144 992 -144
WIRE 1280 -144 1152 -144
WIRE 992 -112 992 -144
WIRE 1280 -80 1280 -144
WIRE 992 -64 992 -112
WIRE 1280 -16 1280 -80
WIRE 288 128 256 128
WIRE 336 128 288 128
WIRE 1008 128 976 128
WIRE 1056 128 1008 128
WIRE 1968 128 1936 128
WIRE 2016 128 1968 128
WIRE 256 144 256 128
WIRE 2528 144 2528 128
WIRE 2720 144 2624 144
WIRE 2768 144 2768 128
WIRE 3008 144 2864 144
WIRE 816 224 816 208
WIRE 1776 224 1776 208
WIRE 2720 224 2720 144
WIRE 256 240 256 224
WIRE 2976 240 2912 240
WIRE 3072 272 3072 256
WIRE 3248 272 3168 272
WIRE 3264 272 3248 272
WIRE 560 288 560 128
WIRE 1008 288 1008 128
WIRE 1008 288 560 288
WIRE 1520 288 1520 128
WIRE 1968 288 1968 128
WIRE 1968 288 1520 288
WIRE 3008 352 3008 144
WIRE 3024 352 3008 352
WIRE 3248 368 3216 368
WIRE 3264 368 3248 368
WIRE 3024 384 3008 384
WIRE 2768 400 2768 384
WIRE 2864 400 2864 336
WIRE 2528 416 2528 400
WIRE 2720 416 2720 256
WIRE 2720 416 2624 416
WIRE 1008 464 976 464
WIRE 1056 464 1008 464
WIRE 1968 464 1936 464
WIRE 2016 464 1968 464
WIRE 2672 480 2672 240
WIRE 2720 480 2672 480
WIRE 2944 496 2912 496
WIRE 2720 512 2672 512
WIRE 3072 528 3072 512
WIRE 3168 528 3168 464
WIRE 816 560 816 544
WIRE 1776 560 1776 544
WIRE 2976 608 2976 240
WIRE 3024 608 2976 608
WIRE 560 624 560 464
WIRE 1008 624 1008 464
WIRE 1008 624 560 624
WIRE 1520 624 1520 464
WIRE 1968 624 1968 464
WIRE 1968 624 1520 624
WIRE 3248 624 3216 624
WIRE 3264 624 3248 624
WIRE 2528 688 2528 672
WIRE 2720 688 2624 688
WIRE 2768 688 2768 672
WIRE 3008 688 3008 384
WIRE 3008 688 2864 688
WIRE 2720 768 2720 688
WIRE 3024 784 3024 640
WIRE 3024 784 2912 784
WIRE 3072 784 3072 768
WIRE 3168 784 3168 720
WIRE 1008 800 976 800
WIRE 1056 800 1008 800
WIRE 1968 800 1936 800
WIRE 2016 800 1968 800
WIRE 2944 864 2944 496
WIRE 3024 864 2944 864
WIRE 3248 880 3216 880
WIRE 3264 880 3248 880
WIRE 816 896 816 880
WIRE 1776 896 1776 880
WIRE 2768 944 2768 928
WIRE 2864 944 2864 880
WIRE 560 960 560 800
WIRE 1008 960 1008 800
WIRE 1008 960 560 960
WIRE 1520 960 1520 800
WIRE 1968 960 1968 800
WIRE 1968 960 1520 960
WIRE 2528 960 2528 944
WIRE 2720 960 2720 800
WIRE 2720 960 2624 960
WIRE 2672 1024 2672 784
WIRE 2720 1024 2672 1024
WIRE 3024 1040 3024 896
WIRE 3024 1040 2912 1040
WIRE 2720 1056 2672 1056
WIRE 1008 1136 976 1136
WIRE 1056 1136 1008 1136
WIRE 1968 1136 1936 1136
WIRE 2016 1136 1968 1136
WIRE -32 1200 -32 1168
WIRE 816 1232 816 1216
WIRE 1776 1232 1776 1216
WIRE 560 1296 560 1136
WIRE 1008 1296 1008 1136
WIRE 1008 1296 560 1296
WIRE 1520 1296 1520 1136
WIRE 1968 1296 1968 1136
WIRE 1968 1296 1520 1296
WIRE -32 1312 -32 1280
WIRE 2640 1392 2624 1392
WIRE 2624 1424 2624 1392
WIRE 2640 1424 2624 1424
WIRE 2928 1424 2864 1424
WIRE -32 1440 -32 1424
WIRE 2624 1456 2624 1424
WIRE 2624 1456 2608 1456
WIRE 2640 1456 2624 1456
WIRE 2928 1456 2864 1456
WIRE 2128 1488 2112 1488
WIRE 2400 1488 2352 1488
WIRE 2640 1488 2608 1488
WIRE 2928 1488 2864 1488
WIRE 2112 1520 2112 1488
WIRE 2128 1520 2112 1520
WIRE 2400 1520 2352 1520
WIRE 2640 1520 2608 1520
WIRE 2928 1520 2864 1520
WIRE -32 1552 -32 1520
WIRE 2112 1552 2112 1520
WIRE 2112 1552 2080 1552
WIRE 2128 1552 2112 1552
WIRE 2400 1552 2352 1552
WIRE 2640 1552 2608 1552
WIRE 2928 1552 2864 1552
WIRE 1792 1584 1760 1584
WIRE 1872 1584 1840 1584
WIRE 2128 1584 2080 1584
WIRE 2400 1584 2352 1584
WIRE 2640 1584 2608 1584
WIRE 2928 1584 2864 1584
WIRE 3152 1600 3120 1600
WIRE 3200 1600 3152 1600
WIRE 3328 1600 3280 1600
WIRE 2128 1616 2080 1616
WIRE 2400 1616 2352 1616
WIRE 2640 1616 2608 1616
WIRE 2928 1616 2864 1616
WIRE 3328 1632 3328 1600
WIRE -32 1648 -32 1632
WIRE 2128 1648 2080 1648
WIRE 2400 1648 2352 1648
WIRE 2640 1648 2608 1648
WIRE 2928 1648 2864 1648
WIRE 192 1664 192 1632
WIRE 384 1664 384 1632
WIRE 576 1664 576 1632
WIRE 768 1664 768 1632
WIRE 944 1664 944 1632
WIRE 1136 1664 1136 1632
WIRE 1328 1664 1328 1632
WIRE 1520 1664 1520 1632
WIRE 2128 1680 2080 1680
WIRE 2400 1680 2352 1680
WIRE 2640 1680 2608 1680
WIRE 2928 1680 2864 1680
WIRE 3328 1728 3328 1696
WIRE -32 1760 -32 1728
WIRE 1968 1792 1968 1760
WIRE 2240 1792 2240 1760
WIRE 2240 1792 1968 1792
WIRE 2496 1792 2240 1792
WIRE 2752 1792 2496 1792
WIRE 1968 1824 1968 1792
FLAG -32 1312 0
FLAG -32 1168 8fs
FLAG -32 1552 0
FLAG -32 1424 VDD
FLAG 192 1664 0
FLAG 192 1552 p1_1
FLAG 384 1664 0
FLAG 384 1552 p2_1
FLAG 256 240 0
FLAG 288 128 Vin
FLAG -32 1760 0
FLAG -32 1632 VCM
FLAG 576 1664 0
FLAG 576 1552 p1_2
FLAG 768 1664 0
FLAG 768 1552 p2_2
FLAG 944 1664 0
FLAG 944 1552 p1_3
FLAG 1136 1664 0
FLAG 1136 1552 p2_3
FLAG 1328 1664 0
FLAG 1328 1552 p1_4
FLAG 1520 1664 0
FLAG 1520 1552 p2_4
FLAG 2624 880 0
FLAG 2624 1152 0
FLAG 2528 672 VDD
FLAG 2528 944 VDD
FLAG 2768 672 VDD
FLAG 2768 928 VDD
FLAG 2864 1136 0
FLAG 3328 1728 0
FLAG 3328 1600 out
FLAG 3152 1600 dout
FLAG 2624 336 0
FLAG 2624 608 0
FLAG 2528 128 VDD
FLAG 2528 400 VDD
FLAG 2480 224 out1b
FLAG 2480 256 out2b
FLAG 2480 496 out3b
FLAG 2480 528 out4b
FLAG 2480 768 out5b
FLAG 2480 800 out6b
FLAG 2480 1040 out7b
FLAG 2480 1072 out8b
FLAG 2768 128 VDD
FLAG 2768 384 VDD
FLAG 2864 592 0
FLAG 3072 768 VDD
FLAG 3168 976 0
FLAG 3072 512 VDD
FLAG 3072 256 VDD
FLAG 2096 736 out1
FLAG 2096 704 out2
FLAG 2208 448 VDD
FLAG 2208 800 8fs
FLAG 2096 672 out3
FLAG 2096 640 out4
FLAG 2096 608 out5
FLAG 2096 576 out6
FLAG 2096 544 out7
FLAG 2096 512 out8
FLAG 2320 736 out1b
FLAG 2320 704 out2b
FLAG 2320 672 out3b
FLAG 2320 640 out4b
FLAG 2320 608 out5b
FLAG 2320 576 out6b
FLAG 2320 544 out7b
FLAG 2320 512 out8b
FLAG 3248 880 b0
FLAG 3248 624 b1
FLAG 3248 368 b2
FLAG 3248 272 b3
FLAG 1968 1488 VDD
FLAG 1872 1648 b1
FLAG 1872 1616 b2
FLAG 1760 1584 b3
FLAG 1808 1568 VDD
FLAG 2240 1424 VDD
FLAG 2128 1712 0
FLAG 3024 1376 VDD
FLAG 3040 1824 0
FLAG 3008 1824 VDD
FLAG 2496 1392 VDD
FLAG 2400 1712 0
FLAG 2752 1328 VDD
FLAG 2640 1744 0
FLAG 2928 1776 0
FLAG 2640 1712 0
FLAG 512 0 VDD
FLAG 384 0 p1_1
FLAG 448 0 p2_1
FLAG 336 80 VCM
FLAG 816 48 VDD
FLAG 816 224 p2_1
FLAG 1008 128 out1
FLAG 512 336 VDD
FLAG 384 336 p1_2
FLAG 448 336 p2_2
FLAG 336 464 Vin
FLAG 336 416 VCM
FLAG 816 384 VDD
FLAG 816 560 p2_2
FLAG 1008 464 out2
FLAG 512 672 VDD
FLAG 384 672 p1_3
FLAG 448 672 p2_3
FLAG 336 800 Vin
FLAG 336 752 VCM
FLAG 816 720 VDD
FLAG 816 896 p2_3
FLAG 1008 800 out3
FLAG 688 1184 Vint
FLAG 512 1008 VDD
FLAG 384 1008 p1_4
FLAG 448 1008 p2_4
FLAG 336 1136 Vin
FLAG 336 1088 VCM
FLAG 816 1056 VDD
FLAG 816 1232 p2_4
FLAG 1472 0 VDD
FLAG 1344 0 p2_1
FLAG 1408 0 p1_1
FLAG 1296 128 Vin
FLAG 1296 80 VCM
FLAG 1776 48 VDD
FLAG 1776 224 p1_1
FLAG 1968 128 out5
FLAG 1472 336 VDD
FLAG 1344 336 p2_2
FLAG 1408 336 p1_2
FLAG 1296 464 Vin
FLAG 1296 416 VCM
FLAG 1776 384 VDD
FLAG 1776 560 p1_2
FLAG 1968 464 out6
FLAG 1472 672 VDD
FLAG 1344 672 p2_3
FLAG 1408 672 p1_3
FLAG 1296 800 Vin
FLAG 1296 752 VCM
FLAG 1776 720 VDD
FLAG 1776 896 p1_3
FLAG 1968 800 out7
FLAG 1472 1008 VDD
FLAG 1344 1008 p2_4
FLAG 1408 1008 p1_4
FLAG 1296 1136 Vin
FLAG 1296 1088 VCM
FLAG 1776 1056 VDD
FLAG 1776 1232 p1_4
FLAG 1968 1136 out8
FLAG 1008 1136 out4
FLAG 1520 80 Vsum
FLAG 1520 416 Vsum
FLAG 1520 752 Vsum
FLAG 1520 1088 Vsum
FLAG 560 1088 Vsum
FLAG 560 752 Vsum
FLAG 560 416 Vsum
FLAG 560 80 Vsum
FLAG 688 848 Vint
FLAG 688 512 Vint
FLAG 688 176 Vint
FLAG 688 1088 VCM
FLAG 688 752 VCM
FLAG 688 416 VCM
FLAG 688 80 VCM
FLAG 1648 1184 Vint
FLAG 1648 1088 VCM
FLAG 1648 848 Vint
FLAG 1648 752 VCM
FLAG 1648 512 Vint
FLAG 1648 416 VCM
FLAG 1648 176 Vint
FLAG 1648 80 VCM
FLAG 992 32 VCM
FLAG 1280 -80 Vint
FLAG 992 -112 Vsum
FLAG 1872 1680 b0
FLAG 2928 1744 0
FLAG 2928 1712 0
FLAG 1968 1824 8fs
SYMBOL voltage -32 1184 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 350p 100p 100p 525p 1.25n)
SYMBOL voltage -32 1424 R0
WINDOW 0 48 35 Left 0
WINDOW 3 67 71 Left 0
SYMATTR InstName VDD1
SYMATTR Value 1
SYMBOL voltage 192 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp1
SYMATTR Value Pulse 0 1 0 100p 100p 4.8n 10n
SYMBOL voltage 384 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp2
SYMATTR Value PULSE(0 1 5n 100p 100p 4.8n 10n)
SYMBOL voltage 256 128 R0
WINDOW 0 26 93 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -51 128 VLeft 0
SYMATTR InstName Vin1
SYMATTR Value SINE(0.5 0.4 50MEG)
SYMBOL voltage -32 1632 R0
WINDOW 0 36 35 Left 0
WINDOW 3 43 76 Left 0
SYMATTR InstName VCM1
SYMATTR Value 0.5
SYMBOL voltage 576 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp3
SYMATTR Value Pulse 0 1 1.25n 100p 100p 4.8n 10n
SYMBOL voltage 768 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp4
SYMATTR Value PULSE(0 1 6.25n 100p 100p 4.8n 10n)
SYMBOL voltage 944 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp5
SYMATTR Value Pulse 0 1 2.5n 100p 100p 4.8n 10n
SYMBOL voltage 1136 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp6
SYMATTR Value PULSE(0 1 7.5n 100p 100p 4.8n 10n)
SYMBOL voltage 1328 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp7
SYMATTR Value Pulse 0 1 3.75n 100p 100p 4.8n 10n
SYMBOL voltage 1520 1536 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -52 207 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vp8
SYMATTR Value PULSE(0 1 8.75n 100p 100p 4.8n 10n)
SYMBOL Adderbit 2496 864 R0
SYMATTR InstName X1
SYMBOL Adderbit 2496 1136 R0
SYMATTR InstName X2
SYMBOL Adderbit 2736 864 R0
SYMATTR InstName X3
SYMBOL Adderbit 2736 1120 R0
SYMATTR InstName X4
SYMBOL res 3296 1584 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL cap 3312 1632 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL Adderbit 2496 320 R0
SYMATTR InstName X5
SYMBOL Adderbit 2496 592 R0
SYMATTR InstName X6
SYMBOL Adderbit 2736 320 R0
SYMATTR InstName X7
SYMBOL Adderbit 2736 576 R0
SYMATTR InstName X8
SYMBOL Adderbit 3040 960 R0
SYMATTR InstName X9
SYMBOL Adderbit 3040 704 R0
SYMATTR InstName X10
SYMBOL Adderbit 3040 448 R0
SYMATTR InstName X11
SYMBOL 8_bit_register 2128 768 R0
SYMATTR InstName X12
SYMBOL 4_bit_comb_K_8 1904 1728 R0
SYMATTR InstName X13
SYMBOL inverter 1792 1584 R0
SYMATTR InstName X14
SYMBOL 8_bit_integrator 2160 1728 R0
SYMATTR InstName X15
SYMBOL 8_bit_comb_K_8 2432 1760 R0
SYMATTR InstName X16
SYMBOL 12_bit_integrator 2672 1760 R0
SYMATTR InstName X17
SYMBOL Ideal_12_bit_DAC 2944 1808 R0
SYMATTR InstName X18
SYMBOL Ideal_clocked_comparator 736 128 R0
SYMATTR InstName X19
SYMBOL Ideal_clocked_comparator 736 464 R0
SYMATTR InstName X20
SYMBOL Ideal_clocked_comparator 736 800 R0
SYMATTR InstName X21
SYMBOL Ideal_clocked_comparator 736 1136 R0
SYMATTR InstName X22
SYMBOL Ideal_clocked_comparator 1696 128 R0
SYMATTR InstName X23
SYMBOL Ideal_clocked_comparator 1696 464 R0
SYMATTR InstName X24
SYMBOL Ideal_clocked_comparator 1696 800 R0
SYMATTR InstName X25
SYMBOL Ideal_clocked_comparator 1696 1136 R0
SYMATTR InstName X26
SYMBOL SC_input_1 352 160 R0
SYMATTR InstName X27
SYMBOL SC_input_1 352 496 R0
SYMATTR InstName X28
SYMBOL SC_input_1 352 832 R0
SYMATTR InstName X29
SYMBOL SC_input_1 352 1168 R0
SYMATTR InstName X30
SYMBOL SC_input_1 1312 1168 R0
SYMATTR InstName X31
SYMBOL SC_input_1 1312 832 R0
SYMATTR InstName X32
SYMBOL SC_input_1 1312 496 R0
SYMATTR InstName X33
SYMBOL SC_input_1 1312 160 R0
SYMATTR InstName X34
SYMBOL Ideal_op_amp 1040 -16 R0
SYMATTR InstName X35
SYMBOL cap 1088 -128 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C2
SYMATTR Value 400f
TEXT 2104 1064 Left 0 !.tran 0 100n 0 0.1n uic
TEXT 2096 1096 Left 0 !.options plotwinsize=0
TEXT 2136 880 Left 0 ;Decimate by 8
TEXT 1784 1488 Left 0 ;4-bits
TEXT 1912 1408 Left 0 ;Increase by 1
TEXT 2024 1496 Left 0 ;5-bits
TEXT 2080 1456 Left 0 ;7-bits
TEXT 2136 1352 Left 0 ;Increase by log2 (K) - 1
TEXT 2328 1424 Left 0 ;7-bits
TEXT 2536 1392 Left 0 ;8-bits
TEXT 2624 1256 Left 0 ;Increase by log2 (K) - 1
TEXT 2600 1360 Left 0 ;10-bits
TEXT 2904 1296 Left 0 ;Multiply by 2, may overflow.