Version 4
SHEET 1 1424 1064
WIRE 256 -96 192 -96
WIRE 368 -96 320 -96
WIRE -96 0 -96 -16
WIRE 80 0 80 -16
WIRE 192 16 192 -96
WIRE 240 16 192 16
WIRE 368 16 368 -96
WIRE 368 16 320 16
WIRE -96 96 -96 80
WIRE 80 96 80 80
WIRE 256 144 256 128
WIRE 192 160 192 16
WIRE 192 160 -192 160
WIRE 240 160 192 160
WIRE -192 176 -192 160
WIRE 368 176 368 16
WIRE 368 176 304 176
WIRE 480 176 368 176
WIRE 240 192 208 192
WIRE 480 192 480 176
WIRE 256 224 256 208
WIRE 288 240 288 208
WIRE -192 272 -192 256
WIRE 480 288 480 272
FLAG -96 96 0
FLAG 80 96 0
FLAG -96 -16 +V
FLAG 80 -16 -V
FLAG 256 128 +V
FLAG 256 224 -V
FLAG 480 288 0
FLAG -192 272 0
FLAG 480 176 OUT
FLAG -192 160 IN
FLAG 208 192 0
SYMBOL voltage -96 -16 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 80 96 M180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL current -192 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PULSE(0 10n 1m 1u 1u 1 2)
SYMBOL res 336 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100Meg
SYMBOL cap 320 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 5p
SYMBOL res 464 176 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL ADA4530-1 272 176 R0
SYMATTR InstName U2
TEXT -48 384 Left 2 !.tran 10\n;.options gmin=1e-15 ; Uncomment to see actual  ADA4530 input impedance