Version 4
SHEET 1 1480 680
WIRE 544 -16 128 -16
WIRE 720 -16 544 -16
WIRE 1104 -16 720 -16
WIRE 1216 -16 1104 -16
WIRE 1344 -16 1216 -16
WIRE 384 0 32 0
WIRE 832 0 384 0
WIRE 720 16 720 -16
WIRE 1216 16 1216 -16
WIRE 32 32 32 0
WIRE 384 32 384 0
WIRE 1104 32 1104 -16
WIRE 656 64 640 64
WIRE 544 96 544 -16
WIRE 1344 96 1344 -16
WIRE 128 112 128 -16
WIRE 512 112 496 112
WIRE -96 128 -112 128
WIRE 32 128 32 112
WIRE 32 128 -16 128
WIRE 96 128 32 128
WIRE 640 128 640 64
WIRE 640 128 576 128
WIRE 720 128 720 112
WIRE 832 128 832 0
WIRE 832 128 720 128
WIRE 848 128 832 128
WIRE 976 128 928 128
WIRE 1008 128 976 128
WIRE 1104 128 1104 96
WIRE 1104 128 1072 128
WIRE 1216 128 1216 96
WIRE 1216 128 1104 128
WIRE 1264 128 1216 128
WIRE 224 144 160 144
WIRE 240 144 224 144
WIRE 384 144 384 112
WIRE 384 144 320 144
WIRE 512 144 384 144
WIRE 720 144 720 128
WIRE 96 160 80 160
WIRE 1104 160 1104 128
WIRE 1216 160 1216 128
WIRE -112 176 -112 128
WIRE 976 176 976 128
WIRE 384 192 384 144
WIRE 384 192 352 192
WIRE 416 192 384 192
WIRE 640 192 640 128
WIRE 656 192 640 192
WIRE 352 208 352 192
WIRE 416 208 416 192
WIRE 32 256 32 128
WIRE 144 256 32 256
WIRE 224 256 224 144
WIRE 224 256 208 256
WIRE -112 288 -112 256
WIRE 352 288 352 272
WIRE 416 288 416 272
WIRE 976 288 976 256
WIRE 128 320 128 176
WIRE 544 320 544 160
WIRE 544 320 128 320
WIRE 720 320 720 240
WIRE 720 320 544 320
WIRE 1104 320 1104 224
WIRE 1104 320 720 320
WIRE 1216 320 1216 240
WIRE 1216 320 1104 320
WIRE 1344 320 1344 176
WIRE 1344 320 1216 320
FLAG 80 160 0
FLAG 352 288 0
FLAG 416 288 0
FLAG 496 112 0
FLAG 976 288 0
FLAG 1264 128 0
FLAG -112 288 0
SYMBOL Opamps\\LT1361 128 80 R0
SYMATTR InstName U1A
SYMBOL Opamps\\LT1361 544 64 R0
SYMATTR InstName U1B
SYMBOL cap 208 240 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 680p
SYMBOL res 336 128 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 48 16 M0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -112 112 M90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL diode 400 208 R0
WINDOW 0 30 -2 Left 0
WINDOW 3 26 62 Left 0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 368 272 R180
WINDOW 0 28 65 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res 400 16 M0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL npn 656 16 R0
SYMATTR InstName Q1
SYMATTR Value BD139
SYMBOL pnp 656 240 M180
WINDOW 0 57 32 Left 0
WINDOW 3 58 68 Left 0
SYMATTR InstName Q2
SYMATTR Value BD140
SYMBOL ind 944 112 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName L1
SYMATTR Value 20µ
SYMATTR SpiceLine Rser=0.1
SYMBOL res 960 160 R0
SYMATTR InstName Rload
SYMATTR Value 4
SYMBOL cap 1072 112 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 470n
SYMBOL polcap 1088 32 R0
WINDOW 3 24 64 Left 0
SYMATTR InstName C3
SYMATTR Value 4700µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=2.8 Rser=0.023 Lser=0 mfg="Panasonic" pn="ECA1CFQ472" type="Al electrolytic"
SYMBOL polcap 1088 160 R0
WINDOW 3 24 64 Left 0
SYMATTR InstName C4
SYMATTR Value 4700µ
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=2.8 Rser=0.023 Lser=0 mfg="Panasonic" pn="ECA1CFQ472" type="Al electrolytic"
SYMBOL res 1200 0 R0
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 1200 144 R0
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL voltage 1344 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR InstName V1
SYMATTR Value 14
SYMATTR SpiceLine Rser=0.5
SYMBOL voltage -112 160 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(0 0.3 1k 1m)
TEXT 536 368 Left 0 !.tran 0 1 0 3u