Version 4
SHEET 1 1236 680
WIRE 240 -208 224 -208
WIRE -16 -192 -32 -192
WIRE 112 -192 96 -192
WIRE -32 -176 -32 -192
WIRE 96 -176 96 -192
WIRE 224 -176 224 -208
WIRE 608 0 576 0
WIRE 576 32 576 0
WIRE 640 48 624 48
WIRE 576 160 576 112
WIRE 176 176 112 176
WIRE 288 176 256 176
WIRE 432 176 368 176
WIRE 528 176 432 176
WIRE 432 208 432 176
WIRE 240 288 240 224
WIRE 240 288 224 288
WIRE 432 304 432 272
WIRE 432 304 416 304
WIRE 64 352 48 352
WIRE 480 352 464 352
WIRE 48 384 48 352
WIRE 464 384 464 352
FLAG -32 -96 0
FLAG -32 -192 VCC
FLAG 112 176 in
IOPIN 112 176 In
FLAG 528 224 0
FLAG 576 240 0
FLAG 624 96 0
FLAG 608 0 out
IOPIN 608 0 Out
FLAG 640 48 CH1MUX
IOPIN 640 48 In
FLAG 48 464 0
FLAG 64 352 CH1CTRL
IOPIN 64 352 Out
FLAG 432 304 VCC/2
FLAG 192 224 0
FLAG 224 288 CH1CTRL
IOPIN 224 288 In
FLAG 464 464 0
FLAG 480 352 CH1MUX
IOPIN 480 352 Out
FLAG 96 -96 0
FLAG 96 -192 VCC/2
FLAG 240 -208 in
IOPIN 240 -208 Out
FLAG 224 -96 0
FLAG 432 176 CH1HOLD
SYMBOL voltage -32 -192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vcc
SYMATTR Value 5V
SYMBOL e 576 144 R0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL sw 576 128 R180
SYMATTR InstName S2
SYMATTR Value MUX
SYMBOL voltage 48 368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL sw 160 176 R270
SYMATTR InstName S1
SYMATTR Value SS
SYMBOL res 384 160 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL cap 416 208 R0
SYMATTR InstName C1
SYMATTR Value 14p
SYMBOL voltage 464 368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5V
SYMBOL voltage 96 -192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vcc/2
SYMATTR Value 2.5V
SYMBOL voltage 224 -192 R0
WINDOW 123 24 127 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 2.5V
SYMATTR InstName Vsource
SYMATTR Value SINE(2.5V 2.5V 1kHz)
TEXT 624 216 Left 0 ;Voltage follower
TEXT 648 120 Left 0 ;Analog MUX
TEXT 528 -152 Left 0 !.model SS SW(Vt=2.5V Vh=0V)
TEXT 528 -120 Left 0 !.model MUX SW(Vt=2.5V Vh=0V)
TEXT 528 -88 Left 0 !.ac oct 100 100Hz 1MegHz
RECTANGLE Normal 864 528 -80 -48 2