Version 4
SHEET 1 896 680
WIRE 32 96 -80 96
WIRE 128 96 112 96
WIRE 224 96 128 96
WIRE 384 96 304 96
WIRE -80 112 -80 96
WIRE 528 128 432 128
WIRE -192 160 -192 144
WIRE 480 192 480 176
WIRE -80 208 -80 192
WIRE 192 208 192 192
WIRE 432 208 432 128
WIRE 448 208 432 208
WIRE 128 224 128 96
WIRE 160 224 128 224
WIRE 528 224 528 128
WIRE 528 224 512 224
WIRE 576 224 528 224
WIRE 304 240 224 240
WIRE 384 240 384 96
WIRE 384 240 368 240
WIRE 448 240 384 240
WIRE 160 256 128 256
WIRE -192 272 -192 240
WIRE 480 272 480 256
WIRE 192 288 192 272
FLAG -192 272 0
FLAG 192 192 +V
FLAG -192 144 +V
FLAG -80 208 0
FLAG 192 288 0
FLAG 480 176 +V
FLAG 480 272 0
FLAG -80 96 IN
FLAG 576 224 OUT
FLAG 128 256 0
SYMBOL voltage -192 144 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 320 80 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 200K
SYMBOL res 128 80 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 200K
SYMBOL voltage -80 96 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 1 100)
SYMBOL opamps\\LT1078 192 176 R0
SYMATTR InstName U1
SYMBOL diode 304 256 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL opamps\\LT1078 480 160 R0
SYMATTR InstName U2
TEXT 400 344 Left 0 !.tran 30m
TEXT 272 40 Bottom 0 ;Absolute Value Circuit(Full-Wave Rectifier)