Version 4
SHEET 1 1136 680
WIRE 624 -224 624 -256
WIRE 400 -128 400 -192
WIRE 624 -96 624 -144
WIRE 400 -16 400 -64
WIRE 160 16 16 16
WIRE 768 16 768 -16
WIRE 336 32 224 32
WIRE 16 112 16 16
WIRE 400 112 400 80
WIRE 400 112 16 112
WIRE 400 128 400 112
WIRE 640 128 640 96
WIRE 768 128 768 96
WIRE 400 240 400 208
WIRE 640 240 640 208
WIRE 768 240 768 208
FLAG 640 240 0
FLAG 768 -16 V+
FLAG 192 0 V+
FLAG 192 64 0
FLAG 624 -256 VSIG
FLAG 768 240 0
FLAG 160 48 VSIG
FLAG 400 -192 V+
FLAG 400 240 0
FLAG 640 96 V+
FLAG 624 -96 0
SYMBOL Opamps\\opamp2 192 -32 R0
SYMATTR InstName U1
SYMATTR Value AD8616
SYMBOL voltage 640 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL npn 336 -16 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL LED 384 -128 R0
SYMATTR InstName D1
SYMATTR Value LXHL-BW02
SYMBOL res 384 112 R0
SYMATTR InstName R1
SYMATTR Value 100R
SYMBOL res 752 112 R0
SYMATTR InstName R2
SYMATTR Value {RJUMP}
SYMBOL res 752 0 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL voltage 624 -240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -1V
TEXT 16 296 Left 2 !.include AD8616.cir
TEXT 16 264 Left 2 !.tran 0 1s 0ms
TEXT 16 328 Left 2 !.step param RJUMP list 1k, 10k