Version 4 SHEET 1 1200 680 WIRE 80 -96 -16 -96 WIRE 192 -96 144 -96 WIRE 240 -96 192 -96 WIRE 288 -96 240 -96 WIRE 384 -96 288 -96 WIRE 528 -96 448 -96 WIRE -16 -16 -16 -96 WIRE 80 -16 -16 -16 WIRE 192 -16 192 -96 WIRE 192 -16 144 -16 WIRE 288 -16 288 -96 WIRE -16 32 -16 -16 WIRE -16 32 -96 32 WIRE -96 64 -96 32 WIRE -16 80 -16 32 WIRE 80 80 -16 80 WIRE 192 80 144 80 WIRE 288 80 288 64 WIRE 288 80 240 80 WIRE -16 160 -16 80 WIRE 80 160 -16 160 WIRE 192 160 192 80 WIRE 192 160 144 160 WIRE 240 160 240 80 WIRE 240 160 192 160 WIRE 288 160 288 144 WIRE 288 160 240 160 WIRE 384 160 288 160 WIRE 528 160 528 -96 WIRE 528 160 448 160 WIRE -96 224 -96 144 WIRE 128 224 -96 224 WIRE 224 224 128 224 WIRE 240 224 224 224 WIRE 336 224 304 224 WIRE 528 224 528 160 WIRE 528 224 336 224 WIRE 128 288 128 224 WIRE 224 304 224 224 WIRE 336 304 336 224 WIRE 336 304 224 304 FLAG 128 288 0 FLAG 240 -96 FLhigh FLAG 240 160 FLlow SYMBOL cap 144 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 3.3µ SYMBOL cap 80 96 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 3.3µ SYMBOL diode 144 144 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value 1N4007 SYMBOL diode 80 -80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value 1N4007 SYMBOL diode 448 -112 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D3 SYMATTR Value 1N4007 SYMBOL diode 384 176 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D4 SYMATTR Value 1N4007 SYMBOL res 272 -32 R0 SYMATTR InstName R1 SYMATTR Value {Lamp} SYMBOL voltage -96 48 R0 WINDOW 3 -230 107 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value SINE(0 311 50 0 0 0 15.5) SYMATTR InstName V1 SYMBOL cap 304 208 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 2.2µ SYMBOL diode 272 80 R0 SYMATTR InstName D5 SYMATTR Value 1N4007 TEXT 344 272 Left 2 !.MODEL DI_1N4007 D ( IS=76.9p RS=42.0m BV=1.00k IBV=5.00u\n+ CJO=26.5p M=0.333 N=1.45 TT=4.32u ) TEXT -104 336 Left 2 !.tran 200m TEXT 352 352 Left 2 !.meas TRAN power AVG (V(flhigh)-V(fllow))*I(R1) FROM 180m TO 200m TEXT 360 416 Left 2 !.step dec param Lamp 0.5k 500k 5 TEXT 352 384 Left 2 !.meas TRAN voltage AVG V(flhigh)-V(fllow) FROM 180m TO 200m TEXT 360 448 Left 2 !.meas TRAN current AVG I(R1) FROM 180m TO 200m