Version 4
SHEET 1 1632 680
WIRE 1088 -144 1040 -144
WIRE 1200 -144 1152 -144
WIRE 576 -128 416 -128
WIRE 768 -112 688 -112
WIRE 912 -112 848 -112
WIRE 576 -96 480 -96
WIRE 1040 -48 1040 -144
WIRE 1088 -48 1040 -48
WIRE 1200 -48 1200 -144
WIRE 1200 -48 1168 -48
WIRE -288 -32 -384 -32
WIRE 416 -32 416 -128
WIRE 416 -32 240 -32
WIRE -384 0 -384 -32
WIRE 576 0 240 0
WIRE 768 16 688 16
WIRE 912 16 912 -112
WIRE 912 16 848 16
WIRE 416 32 240 32
WIRE 480 32 480 -96
WIRE 576 32 480 32
WIRE 912 48 912 16
WIRE 1040 48 1040 -48
WIRE 1040 48 912 48
WIRE 1088 48 1040 48
WIRE 352 64 240 64
WIRE 1200 64 1200 -48
WIRE 1200 64 1152 64
WIRE 1216 64 1200 64
WIRE 1088 80 1040 80
WIRE -384 96 -384 80
WIRE 480 96 480 32
WIRE 480 96 240 96
WIRE 416 128 416 32
WIRE 576 128 416 128
WIRE 1040 128 1040 80
WIRE 768 144 688 144
WIRE 912 144 912 48
WIRE 912 144 848 144
WIRE 480 160 480 96
WIRE 576 160 480 160
WIRE -288 192 -384 192
WIRE -384 224 -384 192
WIRE 1040 224 1040 208
WIRE 352 256 352 64
WIRE 576 256 352 256
WIRE 768 272 688 272
WIRE 912 272 912 144
WIRE 912 272 848 272
WIRE 480 288 480 160
WIRE 576 288 480 288
WIRE -384 320 -384 304
FLAG -384 96 0
FLAG -288 -32 CLOCK
IOPIN -288 -32 Out
FLAG 16 -96 CLOCK
FLAG 16 -160 0
FLAG 1040 224 0
FLAG 1216 64 OUT
IOPIN 1216 64 Out
FLAG -384 320 0
FLAG -288 192 REAL_SIN
IOPIN -288 192 Out
SYMBOL Dig_Add\\CD4xxx\\cd4040b 128 -224 R0
SYMATTR InstName U1
SYMBOL voltage -384 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0 {VDD} 0 0 0 50ms 100ms)
SYMBOL Dig_Add\\CD4xxx\\cd4030b 624 -176 R0
SYMATTR InstName U2
SYMATTR SpiceLine VDD={Vdd}  SPEED=1.0  TRIPDT=5e-9
SYMBOL res 864 256 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 864 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 27k
SYMBOL res 864 0 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 68k
SYMBOL res 864 -128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 150k
SYMBOL Opamps\\opamp 1120 0 R0
SYMATTR InstName U6
SYMBOL res 1184 -64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 2k2
SYMBOL voltage 1040 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 7.5V
SYMBOL Dig_Add\\CD4xxx\\cd4030b 624 -48 R0
SYMATTR InstName U3
SYMATTR SpiceLine VDD={Vdd}  SPEED=1.0  TRIPDT=5e-9
SYMBOL Dig_Add\\CD4xxx\\cd4030b 624 80 R0
SYMATTR InstName U4
SYMATTR SpiceLine VDD={Vdd}  SPEED=1.0  TRIPDT=5e-9
SYMBOL Dig_Add\\CD4xxx\\cd4030b 624 208 R0
SYMATTR InstName U5
SYMATTR SpiceLine VDD={Vdd}  SPEED=1.0  TRIPDT=5e-9
SYMBOL cap 1152 -160 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL voltage -384 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(7.5 2.5 0.3125 0 0 84.375)
TEXT -272 -152 Left 0 !.tran 0 5s 0
TEXT -272 -192 Left 0 !.param VDD=15
TEXT -272 -112 Left 0 !.lib opamp.sub