Version 4
SHEET 1 1056 680
WIRE -656 -288 -672 -288
WIRE -640 -288 -656 -288
WIRE -560 -288 -576 -288
WIRE -544 -288 -560 -288
WIRE 176 -288 -128 -288
WIRE -672 -256 -672 -288
WIRE -576 -256 -576 -288
WIRE -128 -224 -128 -288
WIRE -96 -224 -128 -224
WIRE 16 -224 0 -224
WIRE -320 -192 -448 -192
WIRE -240 -192 -320 -192
WIRE -96 -192 -176 -192
WIRE 176 -192 176 -288
WIRE 176 -192 0 -192
WIRE -96 -160 -112 -160
WIRE 48 -160 0 -160
WIRE 176 -160 48 -160
WIRE -672 -144 -672 -176
WIRE -576 -144 -576 -176
WIRE -448 -112 -448 -192
WIRE 176 -112 176 -160
WIRE -320 -96 -320 -192
WIRE 48 -96 48 -160
WIRE 48 16 48 -32
WIRE 112 16 48 16
WIRE 176 16 176 -32
WIRE 176 16 112 16
WIRE -448 64 -448 -32
WIRE -320 64 -320 -32
WIRE 112 64 112 16
FLAG -672 -144 0
FLAG -576 -144 0
FLAG -656 -288 Vee
FLAG 112 64 0
FLAG -320 64 0
FLAG -560 -288 Vcc
FLAG -112 -160 Vcc
FLAG 16 -224 Vee
FLAG -448 64 0
FLAG -320 -192 V2
FLAG 48 -160 V1
SYMBOL voltage -576 -272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15V
SYMBOL voltage -672 -160 R180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15V
SYMBOL cap 32 -96 R0
SYMATTR InstName C1
SYMATTR Value 1uF
SYMBOL cap -336 -96 R0
SYMATTR InstName C2
SYMATTR Value 1uF
SYMBOL current -448 -112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I0
SYMATTR Value 0.1mA
SYMBOL diode -176 -208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D
SYMATTR Value 1N4148
SYMBOL ind 160 -128 R0
SYMATTR InstName L
SYMATTR Value 1H
SYMATTR SpiceLine Rser=500
SYMBOL AutoGenerated\\AD844 -48 -192 R0
SYMATTR InstName U
TEXT -712 -72 Left 2 !.tran 0 1 0 0.1m
TEXT -728 -352 Left 2 ;SPICE model for AD844 can be downloaded at https://www.analog.com/en/products/ad844.html
TEXT -712 -40 Left 2 !.ic V(V1)=0.1