Version 4
SHEET 1 880 680
WIRE -224 -16 -272 -16
WIRE -64 -16 -224 -16
WIRE 48 -16 -64 -16
WIRE 256 -16 48 -16
WIRE 304 -16 256 -16
WIRE 352 -16 304 -16
WIRE 400 -16 352 -16
WIRE 256 0 256 -16
WIRE 256 16 256 0
WIRE 400 16 400 -16
WIRE 112 64 112 48
WIRE 112 64 48 64
WIRE 304 80 304 -16
WIRE 352 80 352 -16
WIRE 96 112 -128 112
WIRE -272 128 -272 -16
WIRE -64 128 -64 -16
WIRE -224 144 -224 64
WIRE -96 144 -224 144
WIRE -128 176 -128 112
WIRE -96 176 -128 176
WIRE 96 176 96 112
WIRE 256 176 256 144
WIRE 256 176 96 176
WIRE 304 176 304 144
WIRE 304 176 256 176
WIRE 352 176 352 144
WIRE 352 176 304 176
WIRE 400 176 400 96
WIRE 400 176 352 176
WIRE 432 176 400 176
WIRE 256 192 256 176
WIRE -32 208 -32 160
WIRE 304 208 304 176
WIRE 352 208 352 176
WIRE 432 208 432 176
WIRE 48 240 48 64
WIRE 112 240 48 240
WIRE 48 256 48 240
WIRE 48 256 32 256
WIRE 400 256 400 176
WIRE -224 288 -224 144
WIRE 112 288 112 240
WIRE -32 304 -32 288
WIRE -272 368 -272 208
WIRE -224 368 -272 368
WIRE -64 368 -64 192
WIRE -64 368 -224 368
WIRE 32 368 32 352
WIRE 32 368 -64 368
WIRE 256 368 256 336
WIRE 256 368 32 368
WIRE 304 368 304 272
WIRE 304 368 256 368
WIRE 352 368 352 272
WIRE 352 368 304 368
WIRE 400 368 400 336
WIRE 400 368 352 368
FLAG 432 208 0
FLAG -272 -16 In+
FLAG -272 368 In-
SYMBOL cap 336 80 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap 336 208 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res 32 -32 R0
SYMATTR InstName R1
SYMATTR Value 1.5K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -48 192 R0
SYMATTR InstName R2
SYMATTR Value 150K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -240 -32 R0
SYMATTR InstName R3
SYMATTR Value 22.1K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -240 272 R0
SYMATTR InstName R4
SYMATTR Value 22.1K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL polcap 288 80 R0
SYMATTR InstName C3
SYMATTR Value 10µ
SYMATTR SpiceLine V=35 Irms=44m Rser=2.8 Lser=0 mfg="Nichicon" pn="UPR1V100MAH" type="Al electrolytic"
SYMBOL polcap 288 208 R0
SYMATTR InstName C4
SYMATTR Value 10µ
SYMATTR SpiceLine V=35 Irms=0 Rser=0.3 Lser=0 mfg="AVX" pn="TPSD106M035R0300" type="Tantalum"
SYMBOL voltage -272 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 24 34 Left 2
SYMATTR Value 30
SYMATTR InstName V1
SYMBOL npn -32 256 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMATTR SpiceModel 2n3904
SYMBOL res 384 0 R0
SYMATTR InstName R5
SYMATTR Value 549
SYMATTR SpiceLine tol=1 pwr=2
SYMBOL res 384 240 R0
SYMATTR InstName R6
SYMATTR Value 649
SYMATTR SpiceLine tol=1 pwr=2
SYMBOL discrete\\npn_darlington 128 0 R0
SYMATTR InstName U4
SYMBOL discrete\\PnpDarlington 112 336 M180
SYMATTR InstName U5
SYMATTR SpiceModel TIP127
SYMBOL Opamps\\UniversalOpamp2 -64 160 R0
SYMATTR InstName U6
SYMATTR Value2 Avol=1Meg GBW=1Meg Slew=1Meg
TEXT -288 408 Left 2 !;dc V1 2 10 1
TEXT -304 424 Left 2 !.tran 0 100m 1m 1u