Version 4 SHEET 1 880 916 WIRE -176 592 -176 528 WIRE -176 688 -176 624 WIRE -160 592 -176 592 WIRE -160 624 -176 624 WIRE -144 208 -176 208 WIRE -144 240 -144 208 WIRE -144 320 -176 320 WIRE -144 368 -144 320 WIRE -144 432 -192 432 WIRE -144 496 -144 432 WIRE -128 144 -144 144 WIRE -128 176 -128 144 WIRE -128 560 -128 544 WIRE -128 672 -128 656 WIRE -112 176 -128 176 WIRE -112 208 -144 208 WIRE -112 288 -176 288 WIRE -112 320 -144 320 WIRE -112 432 -144 432 WIRE -80 160 -80 144 WIRE -80 272 -80 256 WIRE -80 352 -80 336 WIRE -80 400 -80 384 WIRE -80 480 -80 464 WIRE -32 304 -48 304 WIRE -32 368 -144 368 WIRE -32 368 -32 304 WIRE -32 416 -48 416 WIRE -32 416 -32 368 WIRE -32 448 -48 448 WIRE -32 496 -144 496 WIRE -32 496 -32 448 WIRE -16 192 -48 192 WIRE -16 240 -144 240 WIRE -16 240 -16 192 WIRE -16 480 -80 480 WIRE -16 544 -128 544 WIRE -16 544 -16 480 WIRE -16 656 -16 544 WIRE 16 224 -80 224 WIRE 16 352 -80 352 WIRE 16 352 16 224 WIRE 16 480 -16 480 WIRE 16 480 16 352 WIRE 16 608 -64 608 WIRE 16 608 16 512 WIRE 32 144 -80 144 WIRE 32 256 -80 256 WIRE 32 256 32 144 WIRE 32 384 -80 384 WIRE 32 384 32 256 WIRE 32 608 16 608 WIRE 48 192 -16 192 WIRE 48 224 48 192 WIRE 48 304 -32 304 WIRE 48 304 48 256 WIRE 48 544 -16 544 WIRE 48 592 48 544 WIRE 48 672 -128 672 WIRE 48 672 48 624 WIRE 48 720 48 672 WIRE 64 224 48 224 WIRE 64 256 48 256 WIRE 64 688 -176 688 WIRE 80 512 16 512 WIRE 80 512 80 336 WIRE 96 528 -176 528 WIRE 96 528 96 320 WIRE 112 608 96 608 WIRE 112 608 112 400 WIRE 112 624 112 608 WIRE 112 656 -16 656 WIRE 112 672 112 656 WIRE 112 720 48 720 WIRE 112 720 112 704 WIRE 128 400 112 400 WIRE 128 624 112 624 WIRE 176 240 160 240 WIRE 176 352 176 240 WIRE 176 384 176 352 WIRE 176 512 176 480 WIRE 176 544 176 512 WIRE 176 672 176 640 WIRE 192 720 112 720 WIRE 192 720 192 608 WIRE 208 192 160 192 WIRE 208 208 208 192 WIRE 208 304 208 288 WIRE 208 608 192 608 WIRE 224 576 224 560 WIRE 240 688 128 688 WIRE 240 688 240 640 WIRE 256 192 208 192 WIRE 256 272 256 192 WIRE 256 512 176 512 WIRE 256 512 256 480 WIRE 256 576 256 512 WIRE 288 192 256 192 WIRE 304 256 304 240 WIRE 304 304 208 304 WIRE 304 304 304 256 WIRE 304 560 224 560 WIRE 304 560 304 544 WIRE 304 608 272 608 WIRE 304 656 112 656 WIRE 304 656 304 608 WIRE 320 608 304 608 WIRE 336 512 336 480 WIRE 336 576 336 512 WIRE 352 272 256 272 WIRE 352 272 352 240 WIRE 352 688 352 640 WIRE 368 560 304 560 WIRE 368 576 368 560 WIRE 400 608 384 608 WIRE 400 720 192 720 WIRE 400 720 400 608 WIRE 416 352 176 352 WIRE 416 384 416 352 WIRE 416 512 336 512 WIRE 416 512 416 480 WIRE 416 544 416 512 WIRE 416 672 176 672 WIRE 416 672 416 640 WIRE 432 256 304 256 WIRE 448 688 352 688 WIRE 464 656 304 656 WIRE 464 672 464 656 WIRE 464 720 400 720 WIRE 464 720 464 704 WIRE 480 192 368 192 WIRE 480 272 480 192 WIRE 480 400 464 400 WIRE 480 608 480 400 WIRE 480 624 464 624 WIRE 480 624 480 608 WIRE 496 608 480 608 WIRE 512 144 32 144 WIRE 512 176 512 144 WIRE 512 208 512 176 WIRE 544 272 480 272 WIRE 544 544 544 272 WIRE 544 592 544 544 WIRE 544 672 544 624 WIRE 544 720 464 720 WIRE 544 720 544 672 WIRE 560 176 512 176 WIRE 592 544 544 544 WIRE 592 656 464 656 WIRE 592 656 592 544 WIRE 624 144 512 144 WIRE 624 256 624 144 WIRE 624 672 544 672 WIRE 624 672 624 256 WIRE 640 256 624 256 WIRE 656 208 656 192 WIRE 656 320 96 320 WIRE 656 320 656 272 WIRE 656 608 560 608 WIRE 656 608 656 320 WIRE 720 256 672 256 WIRE 720 544 592 544 WIRE 720 544 720 256 WIRE 720 560 720 544 WIRE 720 672 624 672 WIRE 720 672 720 656 WIRE 752 192 656 192 WIRE 768 336 80 336 WIRE 768 592 752 592 WIRE 768 592 768 336 WIRE 768 624 752 624 WIRE 768 688 512 688 WIRE 768 688 768 624 FLAG -176 208 12 FLAG -176 288 9 FLAG -176 320 11 FLAG -192 432 10 FLAG -144 144 Vref FLAG 752 192 4 FLAG 304 544 Vref FLAG 256 480 6 FLAG 336 480 7 FLAG 512 208 0 FLAG 560 176 8 FLAG 160 192 16 FLAG 432 256 5 SYMBOL I1I2I3Mirror 112 240 R0 SYMATTR InstName X1 SYMBOL comp3 -80 256 M180 WINDOW 3 61 86 Invisible 0 SYMATTR InstName X2 SYMBOL comp3 -80 368 M180 WINDOW 3 61 86 Invisible 0 SYMATTR InstName X3 SYMBOL comp3 -80 496 R180 WINDOW 3 46 108 Invisible 0 SYMATTR InstName X4 SYMBOL pmos 128 480 M180 WINDOW 0 7 111 Left 0 WINDOW 3 56 72 Invisible 0 SYMATTR InstName M1 SYMBOL nmos 128 544 R0 WINDOW 0 6 -11 Left 0 WINDOW 3 56 72 Invisible 0 SYMATTR InstName M2 SYMBOL NorH -112 544 R0 WINDOW 3 1 30 Invisible 0 SYMATTR InstName X5 SYMBOL NotH 32 544 R0 WINDOW 0 1 64 Left 0 WINDOW 3 -42 30 Invisible 0 SYMATTR InstName X6 SYMBOL pmos 464 480 R180 WINDOW 0 2 111 Left 0 WINDOW 3 56 72 Invisible 0 SYMATTR InstName M3 SYMBOL nmos 464 544 M0 WINDOW 0 1 -10 Left 0 WINDOW 3 56 72 Invisible 0 SYMATTR InstName M4 SYMBOL NorH 704 544 M0 WINDOW 3 1 30 Invisible 0 SYMATTR InstName X7 SYMBOL NotH 560 544 M0 WINDOW 0 1 64 Left 0 WINDOW 3 -42 30 Invisible 0 SYMATTR InstName X8 SYMBOL comp3 304 608 R90 WINDOW 3 61 86 Invisible 0 SYMATTR InstName X9 SYMBOL comp3 288 608 M90 WINDOW 3 61 86 Invisible 0 SYMATTR InstName XA SYMBOL NotH 448 624 R0 WINDOW 0 1 64 Left 0 WINDOW 3 -42 30 Invisible 0 SYMATTR InstName XB SYMBOL NotH 128 624 M0 WINDOW 0 1 64 Left 0 WINDOW 3 -42 30 Invisible 0 SYMATTR InstName XC SYMBOL NotH 720 272 M270 WINDOW 0 1 64 Left 0 WINDOW 3 -42 30 Invisible 0 SYMATTR InstName XD SYMBOL sw 272 192 R270 WINDOW 0 -11 41 VRight 0 WINDOW 3 26 91 VRight 0 SYMATTR InstName S1 SYMATTR Value SwInh SYMBOL res 192 192 R0 WINDOW 0 31 48 Left 0 WINDOW 3 30 94 Left 0 SYMATTR InstName R1 SYMATTR Value 1g TEXT -184 272 Left 0 ;VcoIn TEXT -160 304 Left 0 ;R1 TEXT -168 192 Left 0 ;R2 TEXT -192 408 Left 0 ;DemOut TEXT 664 176 Left 0 ;OutVco TEXT 264 472 Left 0 ; TEXT 536 216 Left 0 ;Gnd TEXT 176 176 Left 0 ;Vcc TEXT 24 72 Left 0 !.MODEL SwInh Sw (VT=.5 VH=0 RON=10 ROFF=1e7) TEXT 376 240 Left 0 ;Inh