Version 4 SHEET 1 3144 696 WIRE 592 -704 592 -768 WIRE 704 -704 704 -768 WIRE 880 -704 880 -768 WIRE 1072 -704 1072 -768 WIRE 2048 -560 1968 -560 WIRE 2272 -560 2112 -560 WIRE 1184 -512 1104 -512 WIRE 1408 -512 1248 -512 WIRE 2832 -496 2784 -496 WIRE 2960 -496 2912 -496 WIRE 2992 -496 2960 -496 WIRE 1616 -480 1616 -544 WIRE 1744 -480 1744 -544 WIRE 2992 -464 2992 -496 WIRE 2784 -448 2784 -496 WIRE 832 -432 832 -496 WIRE 960 -432 960 -496 WIRE 1552 -432 1536 -432 WIRE 1856 -432 1808 -432 WIRE 1968 -432 1968 -560 WIRE 1968 -432 1856 -432 WIRE 2656 -432 2624 -432 WIRE 2704 -432 2656 -432 WIRE 2736 -432 2704 -432 WIRE 1680 -416 1680 -432 WIRE 768 -384 704 -384 WIRE 1104 -384 1104 -512 WIRE 1104 -384 1024 -384 WIRE 1616 -384 1616 -480 WIRE 1744 -384 1744 -480 WIRE 2272 -384 2272 -560 WIRE 2272 -384 2256 -384 WIRE 2288 -384 2272 -384 WIRE 2320 -384 2288 -384 WIRE 2336 -384 2320 -384 WIRE 896 -368 896 -384 WIRE 2992 -352 2992 -400 WIRE 832 -336 832 -432 WIRE 960 -336 960 -432 WIRE 1408 -336 1408 -512 WIRE 1408 -336 1392 -336 WIRE 1456 -336 1408 -336 WIRE 1552 -336 1456 -336 WIRE 1680 -336 1680 -352 WIRE 1920 -336 1808 -336 WIRE 1968 -336 1920 -336 WIRE 1984 -336 1968 -336 WIRE 1616 -320 1616 -384 WIRE 1744 -320 1744 -384 WIRE 672 -288 608 -288 WIRE 768 -288 672 -288 WIRE 896 -288 896 -304 WIRE 1040 -288 1024 -288 WIRE 1536 -272 1536 -432 WIRE 1552 -272 1536 -272 WIRE 1856 -272 1856 -432 WIRE 1856 -272 1808 -272 WIRE 1680 -256 1680 -272 WIRE 608 -224 608 -288 WIRE 1616 -224 1616 -320 WIRE 1744 -224 1744 -320 WIRE 1536 -208 1536 -272 WIRE 1536 -176 1536 -208 WIRE 1552 -176 1536 -176 WIRE 1680 -176 1680 -192 WIRE 1824 -176 1808 -176 WIRE 1040 -144 1040 -288 WIRE 1824 -144 1824 -176 WIRE 1824 -144 1040 -144 WIRE 2656 -144 2656 -432 WIRE 2656 -144 1824 -144 WIRE 608 -80 608 -144 WIRE 2496 -32 2448 -32 WIRE 2624 -32 2576 -32 WIRE 2656 -32 2624 -32 WIRE 2656 0 2656 -32 WIRE 2448 16 2448 -32 WIRE 2288 32 2288 -384 WIRE 2400 32 2288 32 WIRE 2656 112 2656 64 FLAG 608 -80 0 FLAG 672 -288 Vin FLAG 880 -704 0 FLAG 880 -848 phi1 FLAG 592 -704 0 FLAG 592 -848 VDD FLAG 1008 -400 VDD FLAG 1008 -304 VDD FLAG 832 -496 phi2 FLAG 960 -496 phi1 FLAG 1104 -288 VCM FLAG 704 -384 VCM FLAG 1072 -704 0 FLAG 1072 -848 phi2 FLAG 704 -704 0 FLAG 704 -848 VCM FLAG 2336 -480 VCM FLAG 2464 -512 VDD FLAG 2464 -352 phi1 FLAG 2704 -432 Vout FLAG 2656 112 0 FLAG 1456 -336 Vop1 FLAG 2624 -32 Voutf1 FLAG 1792 -448 VDD FLAG 1792 -352 VDD FLAG 1616 -544 phi1 FLAG 1744 -544 phi2 FLAG 1920 -336 VCM FLAG 2320 -384 Vop2 FLAG 1792 -288 VDD FLAG 1792 -192 VDD FLAG 1536 -208 VCM FLAG 2448 96 0 FLAG 2400 80 0 FLAG 2992 -352 0 FLAG 2960 -496 Voutf2 FLAG 2784 -368 0 FLAG 2736 -384 0 SYMBOL voltage 608 -240 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName Vin SYMATTR Value 0.1 SYMBOL voltage 880 -864 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 Vphi1 SYMATTR Value Pulse 0 1 0 200p 200p 4n 10n SYMBOL voltage 592 -864 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VDD SYMATTR Value 1 SYMBOL Ideal_op_amp 1152 -336 R0 SYMATTR InstName X1 SYMBOL switches_2 768 -368 R0 SYMATTR InstName X2 SYMBOL switches_2 768 -272 R0 SYMATTR InstName X3 SYMBOL cap 1184 -496 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName CF1 SYMATTR Value 1p SYMBOL cap 880 -368 R0 WINDOW 0 -37 6 Left 0 WINDOW 3 27 8 Left 0 SYMATTR InstName CI1 SYMATTR Value 0.2p SYMBOL voltage 1072 -864 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 Vphi2 SYMATTR Value Pulse 0 1 5n 200p 200p 4n 10n SYMBOL voltage 704 -864 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VCM SYMATTR Value 0.5 SYMBOL Ideal_clocked_comparator 2384 -432 R0 SYMATTR InstName X4 SYMBOL res 2480 -16 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL cap 2640 0 R0 SYMATTR InstName C1 SYMATTR Value 100p SYMBOL Ideal_op_amp 2016 -384 R0 SYMATTR InstName X5 SYMBOL switches_2 1552 -416 R0 SYMATTR InstName X6 SYMBOL cap 2048 -544 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName CF2 SYMATTR Value 1p SYMBOL cap 1664 -416 R0 WINDOW 0 -36 13 Left 0 WINDOW 3 27 8 Left 0 SYMATTR InstName CI2 SYMATTR Value 0.4p SYMBOL switches_2 1552 -256 R0 SYMATTR InstName X8 SYMBOL switches_2 1552 -160 R0 SYMATTR InstName X9 SYMBOL cap 1664 -256 R0 WINDOW 0 -36 13 Left 0 WINDOW 3 27 8 Left 0 SYMATTR InstName CI3 SYMATTR Value 0.16p SYMBOL switches_2 1552 -320 R0 SYMATTR InstName X7 SYMBOL res 2816 -480 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL cap 2976 -464 R0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL e 2784 -464 R0 SYMATTR InstName E1 SYMATTR Value 1 SYMBOL e 2448 0 R0 SYMATTR InstName E2 SYMATTR Value 1 TEXT 576 -632 Left 0 !.tran 0 10u 0 2n TEXT 856 -632 Left 0 ;Nonoverlapping clocks TEXT 576 -600 Left 0 !.options plotwinsize=0