Version 4
SHEET 1 1804 680
WIRE -128 -720 -128 -736
WIRE -480 -592 -576 -592
WIRE -128 -592 -128 -640
WIRE -128 -592 -416 -592
WIRE -576 -512 -576 -592
WIRE -480 -512 -576 -512
WIRE -208 -512 -400 -512
WIRE -128 -496 -128 -592
WIRE -320 -432 -320 -464
WIRE -576 -416 -576 -512
WIRE -576 -416 -608 -416
WIRE -512 -416 -576 -416
WIRE -352 -416 -512 -416
WIRE -208 -400 -208 -512
WIRE -208 -400 -288 -400
WIRE -128 -400 -128 -416
WIRE -128 -400 -208 -400
WIRE -48 -400 -128 -400
WIRE -352 -384 -416 -384
WIRE -320 -336 -320 -368
WIRE -832 -320 -832 -336
WIRE -832 -320 -896 -320
WIRE -128 -320 -128 -400
WIRE -832 -288 -832 -320
WIRE -48 -288 -48 -400
WIRE -480 -272 -512 -272
WIRE -416 -272 -416 -384
WIRE -416 -272 -480 -272
WIRE -384 -272 -416 -272
WIRE -208 -272 -208 -400
WIRE -208 -272 -240 -272
WIRE -512 -256 -512 -272
WIRE -464 -192 -512 -192
WIRE -416 -192 -464 -192
WIRE -464 -176 -464 -192
WIRE -48 -176 -48 -208
WIRE -832 -144 -832 -208
WIRE -576 -128 -576 -416
WIRE -416 -128 -576 -128
WIRE -128 -128 -128 -240
WIRE -128 -128 -352 -128
WIRE -128 -96 -128 -128
FLAG -832 -416 VCC
FLAG -832 -144 -VCC
FLAG -464 -176 0
FLAG -48 -176 0
FLAG -688 -416 0
FLAG -128 -736 VCC
FLAG -896 -320 0
FLAG -320 -336 -VCC
FLAG -320 -464 VCC
FLAG -128 -16 -VCC
FLAG -48 -400 iz
FLAG -512 -416 minus
FLAG -480 -272 plus
FLAG -128 -592 iz+
FLAG -128 -128 iz-
SYMBOL voltage -832 -432 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -832 -304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 7.5
SYMBOL res -592 -432 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -400 -176 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res -112 0 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 3k
SYMBOL res -112 -624 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 3k
SYMBOL res -496 -496 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 20.3k
SYMBOL res -64 -304 R0
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL cap -320 -288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 16n
SYMBOL cap -496 -192 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 16n
SYMBOL diode -352 -144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -480 -608 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL Opamps\\LT1001 -320 -464 R0
SYMATTR InstName U1
SYMBOL res -144 -512 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res -144 -336 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res -224 -288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10k
TEXT -904 -608 Left 2 !.op
TEXT -912 -576 Left 2 !;tran 100ms
