Version 4 SHEET 1 1200 680 WIRE 48 -96 -16 -96 WIRE 192 -96 112 -96 WIRE 240 -96 192 -96 WIRE 320 -96 240 -96 WIRE 192 -64 192 -96 WIRE 320 -16 320 -96 WIRE -16 32 -16 -96 WIRE -16 32 -96 32 WIRE 192 32 192 0 WIRE 240 32 192 32 WIRE 192 48 192 32 WIRE -96 64 -96 32 WIRE -16 160 -16 32 WIRE 48 160 -16 160 WIRE 192 160 192 112 WIRE 192 160 112 160 WIRE 320 160 320 64 WIRE 320 160 192 160 WIRE -96 224 -96 144 WIRE 128 224 -96 224 WIRE 240 224 240 32 WIRE 240 224 128 224 WIRE 128 288 128 224 FLAG 128 288 0 FLAG 240 -96 FLhigh FLAG 192 160 FLlow SYMBOL cap 176 -64 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL cap 176 48 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL diode 112 144 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value 1N4007 SYMBOL diode 48 -80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value 1N4007 SYMBOL res 304 -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) SYMATTR InstName V1 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