Version 4
SHEET 1 880 680
WIRE 320 0 224 0
WIRE 320 16 320 0
WIRE 144 96 -160 96
WIRE 224 112 224 0
WIRE 320 112 320 96
WIRE -320 128 -320 112
WIRE 128 128 32 128
WIRE 144 128 144 96
WIRE 160 128 144 128
WIRE -160 144 -160 96
WIRE 32 144 32 128
WIRE 128 160 128 128
WIRE 160 160 128 160
WIRE 384 176 288 176
WIRE 160 192 128 192
WIRE 384 192 384 176
WIRE -320 224 -320 208
WIRE 160 224 144 224
WIRE 32 240 32 224
WIRE 128 240 128 192
WIRE 128 240 32 240
WIRE 256 240 256 224
WIRE 192 256 192 240
WIRE -160 272 -160 224
WIRE 144 272 144 224
WIRE 144 272 -160 272
WIRE -160 288 -160 272
WIRE 384 288 384 272
WIRE 256 320 256 304
WIRE -160 384 -160 368
FLAG -160 384 0
FLAG 320 112 0
FLAG -320 224 0
FLAG 384 288 0
FLAG -320 112 +V
FLAG 192 96 +V
FLAG 384 176 OUT
FLAG 192 256 0
FLAG 256 320 0
SYMBOL Opamps\\AD8235 224 176 R0
WINDOW 3 41 23 Left 2
SYMATTR InstName U1
SYMBOL res 16 128 R0
SYMATTR InstName Rgain
SYMATTR Value 84.5K
SYMBOL voltage -160 128 R0
WINDOW 123 24 132 Left 2
WINDOW 39 24 114 Left 2
SYMATTR Value SINE(0 .1 1K)
SYMATTR InstName Vdiff
SYMBOL voltage -160 272 R0
SYMATTR InstName Vcm
SYMATTR Value 2.5
SYMBOL voltage 256 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vref
SYMATTR Value 2.5
SYMBOL voltage 320 0 R0
WINDOW 123 24 132 Left 2
WINDOW 39 24 114 Left 2
SYMATTR Value PULSE(0 5 1m 1u 1u 10m 20m 10)
SYMATTR InstName Vsdn
SYMBOL voltage -320 112 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 368 176 R0
SYMATTR InstName Rload
SYMATTR Value 10K
TEXT 352 368 Left 2 !.tran 100m