Version 4 SHEET 1 2872 696 WIRE 1984 -688 1968 -688 WIRE 2240 -688 2208 -688 WIRE 2320 -688 2288 -688 WIRE 1968 -656 1968 -688 WIRE 1984 -656 1968 -656 WIRE 2320 -656 2208 -656 WIRE 1648 -624 1632 -624 WIRE 1968 -624 1968 -656 WIRE 1968 -624 1872 -624 WIRE 1984 -624 1968 -624 WIRE 2320 -624 2208 -624 WIRE 1632 -592 1632 -624 WIRE 1648 -592 1632 -592 WIRE 1984 -592 1872 -592 WIRE 2320 -592 2208 -592 WIRE 1632 -560 1632 -592 WIRE 1632 -560 1568 -560 WIRE 1648 -560 1632 -560 WIRE 1984 -560 1872 -560 WIRE 2320 -560 2208 -560 WIRE 1360 -528 1312 -528 WIRE 1648 -528 1568 -528 WIRE 1984 -528 1872 -528 WIRE 2320 -528 2208 -528 WIRE 2560 -512 2512 -512 WIRE 1024 -496 960 -496 WIRE 1056 -496 1024 -496 WIRE 1360 -496 1312 -496 WIRE 1648 -496 1568 -496 WIRE 1984 -496 1872 -496 WIRE 2320 -496 2208 -496 WIRE 1024 -464 960 -464 WIRE 1104 -464 1024 -464 WIRE 1360 -464 1312 -464 WIRE 1648 -464 1568 -464 WIRE 1984 -464 1872 -464 WIRE 2320 -464 2208 -464 WIRE 1024 -432 960 -432 WIRE 1104 -432 1024 -432 WIRE 1360 -432 1312 -432 WIRE 1648 -432 1568 -432 WIRE 1984 -432 1872 -432 WIRE 2320 -432 2208 -432 WIRE 1024 -400 960 -400 WIRE 1104 -400 1024 -400 WIRE 1360 -400 1312 -400 WIRE 1648 -400 1568 -400 WIRE 1984 -400 1872 -400 WIRE 2320 -400 2208 -400 WIRE 768 -384 560 -384 WIRE 1024 -368 960 -368 WIRE 1104 -368 1024 -368 WIRE 1360 -368 1312 -368 WIRE 1648 -368 1568 -368 WIRE 1984 -368 1872 -368 WIRE 2320 -368 2208 -368 WIRE 1024 -336 960 -336 WIRE 1104 -336 1024 -336 WIRE 1360 -336 1312 -336 WIRE 1648 -336 1568 -336 WIRE 1984 -336 1872 -336 WIRE 2320 -336 2208 -336 WIRE 560 -304 560 -384 WIRE 1024 -304 960 -304 WIRE 1104 -304 1024 -304 WIRE 1360 -304 1312 -304 WIRE 1648 -304 1568 -304 WIRE 1984 -304 1872 -304 WIRE 1024 -272 960 -272 WIRE 1104 -272 1024 -272 WIRE 1360 -272 1312 -272 WIRE 1648 -272 1568 -272 WIRE 1984 -272 1872 -272 WIRE 848 -208 848 -224 WIRE 560 -160 560 -224 WIRE 816 -144 816 -224 WIRE 1200 -144 1200 -192 WIRE 1200 -144 816 -144 WIRE 2304 -128 2272 -128 WIRE 1200 -96 1200 -144 WIRE 1456 -96 1200 -96 WIRE 2304 -96 2272 -96 WIRE 2304 -64 2272 -64 WIRE 848 -32 576 -32 WIRE 1152 -32 880 -32 WIRE 1200 -32 1200 -96 WIRE 1200 -32 1168 -32 WIRE 1344 -32 1200 -32 WIRE 1440 -32 1344 -32 WIRE 1584 -32 1584 -64 WIRE 1744 -32 1744 -48 WIRE 2304 -32 2272 -32 WIRE 2544 -16 2496 -16 WIRE 2304 0 2272 0 WIRE 2304 32 2272 32 WIRE 2304 64 2272 64 WIRE 1584 80 1584 48 WIRE 1744 80 1744 48 WIRE 2304 96 2272 96 WIRE 576 112 576 -32 WIRE 880 112 880 -32 WIRE 1168 112 1168 -32 WIRE 848 144 848 -32 WIRE 848 144 800 144 WIRE 1152 144 1152 -32 WIRE 1152 144 1104 144 WIRE 1440 144 1440 -32 WIRE 1440 144 1392 144 WIRE 2384 160 2384 144 WIRE 848 192 848 144 WIRE 992 192 848 192 WIRE 1152 192 1152 144 WIRE 1280 192 1152 192 FLAG 560 -160 0 FLAG 560 -384 Vin FLAG 1744 80 0 FLAG 1744 -48 clock FLAG 1584 80 0 FLAG 1584 -64 VDD FLAG 2560 -512 Vout_interpolated FLAG 2416 -736 VDD FLAG 2432 -288 0 FLAG 1024 -496 B7 FLAG 1024 -464 B6 FLAG 1024 -432 B5 FLAG 1024 -400 B4 FLAG 1024 -368 B3 FLAG 1024 -336 B2 FLAG 1024 -304 B1 FLAG 1024 -272 B0 FLAG 1200 -592 VDD FLAG 864 -544 VDD FLAG 880 -224 0 FLAG 848 -208 VDD FLAG 2400 -288 VDD FLAG 1760 -688 VDD FLAG 1760 -224 Clock FLAG 1072 -512 VDD FLAG 688 32 VDD FLAG 688 192 Clock FLAG 992 32 VDD FLAG 1280 32 VDD FLAG 1344 -32 Clock_div_8 FLAG 2272 -128 B7 FLAG 2272 -96 B6 FLAG 2272 -64 B5 FLAG 2272 -32 B4 FLAG 2272 0 B3 FLAG 2272 32 B2 FLAG 2272 64 B1 FLAG 2272 96 B0 FLAG 2400 -176 VDD FLAG 2416 144 0 FLAG 2384 160 VDD FLAG 2544 -16 Vout_no_interpolation FLAG 1456 -640 VDD FLAG 2096 -752 VDD FLAG 2096 -160 Clock FLAG 1360 -240 0 FLAG 1360 -208 0 FLAG 1360 -176 0 FLAG 1984 -240 0 FLAG 1984 -208 0 FLAG 2256 -704 VDD SYMBOL voltage 560 -320 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName Vin SYMATTR Value SINE(0.5 0.4 1.1MEG) SYMBOL voltage 1744 -48 R0 WINDOW 0 36 42 Left 0 WINDOW 3 35 69 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName Vclock SYMATTR Value PULSE(0 1 0 0 0 4.9n 10n) SYMBOL voltage 1584 -48 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VDD SYMATTR Value 1.0 SYMBOL Ideal_8_bit_ADC 784 -240 R0 SYMATTR InstName U1 SYMBOL Ideal_12_bit_DAC 2336 -304 R0 SYMATTR InstName X2 SYMBOL 12_bit_integrator 1680 -256 R0 SYMATTR InstName X3 SYMBOL inverter 1056 -496 R0 SYMATTR InstName X4 SYMBOL 8_bit_comb_K_1 1136 -224 R0 SYMATTR InstName X5 SYMBOL DFF 608 160 R0 SYMATTR InstName X1 SYMBOL DFF 912 160 R0 SYMATTR InstName X6 SYMBOL DFF 1200 160 R0 SYMATTR InstName X7 SYMBOL Ideal_8_bit_DAC 2320 128 R0 SYMATTR InstName X8 SYMBOL 16_bit_integrator 2016 -192 R0 SYMATTR InstName X10 SYMBOL 12_bit_comb_K_1 1392 -128 R0 SYMATTR InstName X9 SYMBOL inverter 2240 -688 R0 SYMATTR InstName X11 TEXT 1784 -112 Left 0 !.tran 0 1600n 100n 0.4n uic TEXT 1784 -80 Left 0 !.options plotwinsize=0 TEXT 1304 -544 Left 0 ;9-bits TEXT 968 -536 Left 0 ;8-bits TEXT 1600 -648 Left 0 ;12-bits TEXT 1544 -584 Left 0 ;10-bits TEXT 1920 -712 Left 0 ;14-bits TEXT 1088 -720 Left 0 ;Comb filters increase word size by 1 each TEXT 1616 -832 Left 0 ;Integrators increase word size by log2 (K) - 1 each