Version 4
SHEET 1 1200 1172
WIRE 336 -64 336 -96
WIRE 448 -64 448 -96
WIRE -96 -16 -144 -16
WIRE 32 -16 -16 -16
WIRE 96 -16 32 -16
WIRE 224 -16 176 -16
WIRE 336 48 336 16
WIRE 448 48 448 16
WIRE 128 176 128 144
WIRE 32 192 32 -16
WIRE 96 192 32 192
WIRE 224 208 224 -16
WIRE 224 208 160 208
WIRE 288 208 224 208
WIRE -96 224 -160 224
WIRE 96 224 -16 224
WIRE -160 256 -160 224
WIRE 128 272 128 240
WIRE -160 368 -160 336
FLAG 448 48 0
FLAG -160 368 0
FLAG 288 208 out
IOPIN 288 208 Out
FLAG 336 48 0
FLAG -160 224 in
FLAG 128 144 +V
FLAG 128 272 -V
FLAG 336 -96 -V
FLAG 448 -96 +V
FLAG -144 -16 0
SYMBOL voltage 448 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 336 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -5
SYMBOL res 0 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage -160 240 R0
WINDOW 3 29 100 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(-1 1 0 1n 1n 0.5u 1u)
SYMATTR InstName V3
SYMBOL res 192 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res -112 240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 50
SYMBOL Opamps\\opamp2 128 144 R0
SYMATTR InstName U1
SYMATTR Value OPA4820
TEXT -168 -192 Left 2 !.tran 0 2u 0 1n
TEXT -168 -160 Left 2 !.options plotwinsize=0
TEXT -168 -232 Left 2 !.inc OPA4820.LIB
TEXT 152 -232 Left 2 ;Symbol: opamp2