Version 4
SHEET 1 4120 1896
WIRE 1024 -16 928 -16
WIRE 1216 -16 1088 -16
WIRE 928 16 928 -16
WIRE 1216 48 1216 -16
WIRE 928 64 928 16
WIRE 1376 64 1376 48
WIRE 1520 64 1520 48
WIRE 1216 112 1216 48
WIRE 1376 176 1376 144
WIRE 1520 176 1520 144
WIRE 1856 384 1856 352
WIRE 2048 384 2048 352
WIRE 2240 384 2240 352
WIRE 2432 384 2432 352
WIRE 112 416 80 416
WIRE 160 416 112 416
WIRE 832 416 800 416
WIRE 880 416 832 416
WIRE 1632 416 1600 416
WIRE 1680 416 1632 416
WIRE 80 432 80 416
WIRE 640 512 640 496
WIRE 1440 512 1440 496
WIRE 80 528 80 512
WIRE 384 576 384 416
WIRE 832 576 832 416
WIRE 832 576 384 576
WIRE 1184 576 1184 416
WIRE 1632 576 1632 416
WIRE 1632 576 1184 576
WIRE 832 752 800 752
WIRE 880 752 832 752
WIRE 1632 752 1600 752
WIRE 1680 752 1632 752
WIRE 1872 784 1872 752
WIRE 2064 784 2064 752
WIRE 2256 784 2256 752
WIRE 2448 784 2448 752
WIRE 640 848 640 832
WIRE 1440 848 1440 832
WIRE 384 912 384 752
WIRE 832 912 832 752
WIRE 832 912 384 912
WIRE 1184 912 1184 752
WIRE 1632 912 1632 752
WIRE 1632 912 1184 912
WIRE 832 1088 800 1088
WIRE 880 1088 832 1088
WIRE 1632 1088 1600 1088
WIRE 1680 1088 1632 1088
WIRE 640 1184 640 1168
WIRE 1440 1184 1440 1168
WIRE 384 1248 384 1088
WIRE 832 1248 832 1088
WIRE 832 1248 384 1248
WIRE 1184 1248 1184 1088
WIRE 1632 1248 1632 1088
WIRE 1632 1248 1184 1248
WIRE 1920 1392 1920 1360
WIRE 1984 1392 1920 1392
WIRE 2096 1392 1984 1392
WIRE 2400 1392 2352 1392
WIRE 2416 1392 2400 1392
WIRE 832 1424 800 1424
WIRE 880 1424 832 1424
WIRE 1632 1424 1600 1424
WIRE 1680 1424 1632 1424
WIRE 640 1520 640 1504
WIRE 1440 1520 1440 1504
WIRE 384 1584 384 1424
WIRE 832 1584 832 1424
WIRE 832 1584 384 1584
WIRE 1184 1584 1184 1424
WIRE 1632 1584 1632 1424
WIRE 1632 1584 1184 1584
FLAG 1856 384 0
FLAG 1856 272 p1_1
FLAG 2048 384 0
FLAG 2048 272 p2_1
FLAG 80 528 0
FLAG 112 416 Vin
FLAG 2240 384 0
FLAG 2240 272 p1_2
FLAG 2432 384 0
FLAG 2432 272 p2_2
FLAG 1872 784 0
FLAG 1872 672 p1_3
FLAG 2064 784 0
FLAG 2064 672 p2_3
FLAG 2256 784 0
FLAG 2256 672 p1_4
FLAG 2448 784 0
FLAG 2448 672 p2_4
FLAG 336 288 VDD
FLAG 208 288 p1_1
FLAG 272 288 p2_1
FLAG 160 368 VCM
FLAG 640 336 VDD
FLAG 640 512 p2_1
FLAG 832 416 out1
FLAG 336 624 VDD
FLAG 208 624 p1_2
FLAG 272 624 p2_2
FLAG 160 752 Vin
FLAG 160 704 VCM
FLAG 640 672 VDD
FLAG 640 848 p2_2
FLAG 832 752 out2
FLAG 336 960 VDD
FLAG 208 960 p1_3
FLAG 272 960 p2_3
FLAG 160 1088 Vin
FLAG 160 1040 VCM
FLAG 640 1008 VDD
FLAG 640 1184 p2_3
FLAG 832 1088 out3
FLAG 512 1472 Vint
FLAG 336 1296 VDD
FLAG 208 1296 p1_4
FLAG 272 1296 p2_4
FLAG 160 1424 Vin
FLAG 160 1376 VCM
FLAG 640 1344 VDD
FLAG 640 1520 p2_4
FLAG 1136 288 VDD
FLAG 1008 288 p2_1
FLAG 1072 288 p1_1
FLAG 960 416 Vin
FLAG 960 368 VCM
FLAG 1440 336 VDD
FLAG 1440 512 p1_1
FLAG 1632 416 out5
FLAG 1136 624 VDD
FLAG 1008 624 p2_2
FLAG 1072 624 p1_2
FLAG 960 752 Vin
FLAG 960 704 VCM
FLAG 1440 672 VDD
FLAG 1440 848 p1_2
FLAG 1632 752 out6
FLAG 1136 960 VDD
FLAG 1008 960 p2_3
FLAG 1072 960 p1_3
FLAG 960 1088 Vin
FLAG 960 1040 VCM
FLAG 1440 1008 VDD
FLAG 1440 1184 p1_3
FLAG 1632 1088 out7
FLAG 1136 1296 VDD
FLAG 1008 1296 p2_4
FLAG 1072 1296 p1_4
FLAG 960 1424 Vin
FLAG 960 1376 VCM
FLAG 1440 1344 VDD
FLAG 1440 1520 p1_4
FLAG 1632 1424 out8
FLAG 832 1424 out4
FLAG 1184 368 Vsum
FLAG 1184 704 Vsum
FLAG 1184 1040 Vsum
FLAG 1184 1376 Vsum
FLAG 384 1376 Vsum
FLAG 384 1040 Vsum
FLAG 384 704 Vsum
FLAG 384 368 Vsum
FLAG 512 1136 Vint
FLAG 512 800 Vint
FLAG 512 464 Vint
FLAG 512 1376 VCM
FLAG 512 1040 VCM
FLAG 512 704 VCM
FLAG 512 368 VCM
FLAG 1312 1472 Vint
FLAG 1312 1376 VCM
FLAG 1312 1136 Vint
FLAG 1312 1040 VCM
FLAG 1312 800 Vint
FLAG 1312 704 VCM
FLAG 1312 464 Vint
FLAG 1312 368 VCM
FLAG 928 160 VCM
FLAG 1216 48 Vint
FLAG 928 16 Vsum
FLAG 1808 1296 out1
FLAG 1808 1264 out2
FLAG 1920 1008 VDD
FLAG 1984 1392 p2_1
FLAG 1808 1232 out3
FLAG 1808 1200 out4
FLAG 1808 1168 out5
FLAG 1808 1136 out6
FLAG 1808 1104 out7
FLAG 1808 1072 out8
FLAG 2032 1296 b0
FLAG 2032 1264 b1
FLAG 2032 1232 b2
FLAG 2032 1200 b3
FLAG 2032 1168 b4
FLAG 2032 1136 b5
FLAG 2032 1104 b6
FLAG 2032 1072 b7
FLAG 1376 176 0
FLAG 1376 48 VDD
FLAG 1520 176 0
FLAG 1520 48 VCM
FLAG 2208 1312 VDD
FLAG 2400 1392 clk
SYMBOL voltage 1856 256 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_1
SYMATTR Value Pulse 0 {VDD} 0 100p 100p 4.8n 10n
SYMBOL voltage 2048 256 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_1
SYMATTR Value PULSE(0 {VDD} 5n 100p 100p 4.8n 10n)
SYMBOL voltage 80 416 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 Vin
SYMATTR Value SINE(2.5 2 3MEG)
SYMBOL voltage 2240 256 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_2
SYMATTR Value Pulse 0 {VDD} 1.25n 100p 100p 4.8n 10n
SYMBOL voltage 2432 256 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_2
SYMATTR Value PULSE(0 {VDD} 6.25n 100p 100p 4.8n 10n)
SYMBOL voltage 1872 656 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_3
SYMATTR Value Pulse 0 {VDD} 2.5n 100p 100p 4.8n 10n
SYMBOL voltage 2064 656 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_3
SYMATTR Value PULSE(0 {VDD} 7.5n 100p 100p 4.8n 10n)
SYMBOL voltage 2256 656 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_4
SYMATTR Value Pulse 0 {VDD} 3.75n 100p 100p 4.8n 10n
SYMBOL voltage 2448 656 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_4
SYMATTR Value PULSE(0 {VDD} 8.75n 100p 100p 4.8n 10n)
SYMBOL Ideal_clocked_comparator 560 416 R0
SYMATTR InstName X1
SYMBOL Ideal_clocked_comparator 560 752 R0
SYMATTR InstName X2
SYMBOL Ideal_clocked_comparator 560 1088 R0
SYMATTR InstName X3
SYMBOL Ideal_clocked_comparator 560 1424 R0
SYMATTR InstName X4
SYMBOL Ideal_clocked_comparator 1360 416 R0
SYMATTR InstName X5
SYMBOL Ideal_clocked_comparator 1360 752 R0
SYMATTR InstName X6
SYMBOL Ideal_clocked_comparator 1360 1088 R0
SYMATTR InstName X7
SYMBOL Ideal_clocked_comparator 1360 1424 R0
SYMATTR InstName X8
SYMBOL SC_input_1 176 448 R0
SYMATTR InstName X9
SYMBOL SC_input_1 176 784 R0
SYMATTR InstName X10
SYMBOL SC_input_1 176 1120 R0
SYMATTR InstName X11
SYMBOL SC_input_1 176 1456 R0
SYMATTR InstName X12
SYMBOL SC_input_1 976 1456 R0
SYMATTR InstName X13
SYMBOL SC_input_1 976 1120 R0
SYMATTR InstName X14
SYMBOL SC_input_1 976 784 R0
SYMATTR InstName X15
SYMBOL SC_input_1 976 448 R0
SYMATTR InstName X16
SYMBOL Ideal_op_amp 976 112 R0
SYMATTR InstName X28
SYMBOL cap 1024 0 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C2
SYMATTR Value 800fF
SYMBOL 8_bit_register 1840 1328 R0
SYMATTR InstName X17
SYMBOL voltage 1376 48 R0
WINDOW 0 48 35 Left 0
WINDOW 3 41 74 Left 0
SYMATTR InstName VDD
SYMATTR Value {VDD}
SYMBOL voltage 1520 48 R0
WINDOW 0 36 35 Left 0
WINDOW 3 43 76 Left 0
SYMATTR InstName VCM
SYMATTR Value {VCM}
SYMBOL Ideal_inverter 2128 1328 R0
SYMATTR InstName X18
TEXT 112 112 Left 0 !.tran 0 3.1u 100n 10p uic
TEXT 112 144 Left 0 !.options plotwinsize=0
TEXT 80 72 Left 0 !.save v(clk) v(vin) v(b0) v(b1) v(b2) v(b3) v(b4) v(b5) v(b6) v(b7) V(Vint)
TEXT 96 184 Left 0 !.model switmod SW
TEXT 440 120 Left 0 !.param VDD=5 VCM=2.5
TEXT 2160 960 Left 0 ;Kpath = 8 OSR = 64\nFor 1-bit output (serial mode) at Kpath*fs = 800 MHz\nSNR = 60.23, Neff = 9.71, B = 6.25 MHz\nFor Kpath-bits output (parallel mode) at fs = 100 MHz\nSNR = 44.79, Neff = 7.15, B = 6.23 MHz