Version 4
SHEET 1 880 680
WIRE 480 -16 176 -16
WIRE 512 -16 480 -16
WIRE -192 0 -256 0
WIRE 16 0 -192 0
WIRE 176 0 176 -16
WIRE 176 0 96 0
WIRE 176 16 176 0
WIRE 224 16 208 16
WIRE 336 16 304 16
WIRE 368 16 336 16
WIRE 480 16 480 -16
WIRE 480 16 448 16
WIRE -192 32 -192 0
WIRE 512 32 512 -16
WIRE -128 64 -160 64
WIRE 336 64 336 16
WIRE 336 64 320 64
WIRE 416 64 336 64
WIRE -32 80 -48 80
WIRE -32 112 -32 80
WIRE 0 112 -32 112
WIRE 176 112 176 96
WIRE 176 112 80 112
WIRE 208 112 208 16
WIRE 208 112 176 112
WIRE 256 112 208 112
WIRE -256 128 -256 0
WIRE -192 128 -192 96
WIRE -128 128 -128 64
WIRE -112 128 -128 128
WIRE 336 160 320 160
WIRE 416 160 336 160
WIRE 448 160 416 160
WIRE 480 160 480 112
WIRE 480 160 448 160
WIRE 416 176 416 160
WIRE -128 192 -128 128
WIRE 112 192 -128 192
WIRE 336 192 336 160
WIRE 336 192 192 192
WIRE -48 224 -48 176
WIRE -48 224 -80 224
WIRE -80 240 -80 224
WIRE -256 256 -256 192
WIRE -192 256 -192 208
WIRE -192 256 -256 256
WIRE -48 256 -48 224
WIRE -48 256 -192 256
WIRE 416 256 416 240
WIRE 416 256 -48 256
WIRE 480 256 480 240
WIRE 480 256 416 256
WIRE 512 256 512 112
WIRE 512 256 480 256
FLAG -80 240 0
FLAG 448 160 Out
SYMBOL pnp2 256 160 M180
WINDOW 0 -3 89 Left 0
WINDOW 3 18 49 Left 0
SYMATTR InstName Q2
SYMATTR Value 2N3906
SYMBOL npn2 -112 80 R0
WINDOW 0 -8 -11 Left 0
WINDOW 3 19 48 Left 0
WINDOW 39 48 71 Left 0
SYMATTR InstName Qsens
SYMATTR Value BC548C
SYMATTR SpiceLine temp={T_Sens}
SYMBOL pnp2 416 112 M180
WINDOW 0 -25 62 Left 0
WINDOW 3 -22 -4 Left 0
SYMATTR InstName Q3
SYMATTR Value BD440
SYMBOL res 464 32 M270
WINDOW 0 15 107 VTop 0
WINDOW 3 43 6 VBottom 0
SYMATTR InstName Rb2
SYMATTR Value 230
SYMBOL diode 432 240 R180
WINDOW 0 39 56 Left 0
WINDOW 3 33 31 Left 0
SYMATTR InstName D1
SYMATTR Value 1N4002
SYMBOL res 320 0 R90
WINDOW 0 16 108 VBottom 0
WINDOW 3 -11 13 VTop 0
SYMATTR InstName Rb1
SYMATTR Value 7K
SYMBOL res 160 0 R0
WINDOW 0 -32 32 Left 0
WINDOW 3 -37 63 Left 0
SYMATTR InstName R3
SYMATTR Value 3k3
SYMBOL res 96 96 R90
WINDOW 0 17 104 VBottom 0
WINDOW 3 -11 11 VTop 0
SYMATTR InstName R4
SYMATTR Value 3k3
SYMBOL res 112 -16 R90
WINDOW 0 16 112 VBottom 0
WINDOW 3 -11 -4 VTop 0
SYMATTR InstName R5
SYMATTR Value 3k3
SYMBOL Robertugo\\Pote -176 0 M0
WINDOW 0 -41 20 Left 0
WINDOW 3 -86 46 Left 0
WINDOW 123 -126 46 Center 0
SYMATTR InstName P1
SYMATTR Value Rt=100
SYMBOL res -208 112 R0
WINDOW 0 26 49 Left 0
WINDOW 3 26 83 Left 0
SYMATTR InstName R6
SYMATTR Value 120
SYMBOL res 208 176 R90
WINDOW 0 17 104 VBottom 0
WINDOW 3 -11 12 VTop 0
SYMATTR InstName R7
SYMATTR Value 68k
SYMBOL res 464 144 R0
WINDOW 0 -24 32 Left 0
WINDOW 3 -22 63 Left 0
SYMATTR InstName RL
SYMATTR Value 18
SYMBOL Misc\\battery 512 16 R0
WINDOW 0 5 20 Left 0
WINDOW 3 3 91 Left 0
SYMATTR InstName V+
SYMATTR Value 12
SYMBOL polcap -272 128 R0
WINDOW 3 19 84 Left 0
SYMATTR Value 100µ
SYMATTR InstName Cf
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=265m Rser=0.35 MTBF=2000 Lser=0 mfg="Nichicon" pn="UPL1C101MPH" type="Al electrolytic" ppPkg=1
TEXT -192 -16 Left 0 !.tran 100m
TEXT -24 232 Left 0 !.Step param T_Sens 40 50 2