Version 4
SHEET 1 1444 680
WIRE -16 160 -176 160
WIRE 400 160 64 160
WIRE 416 160 400 160
WIRE -176 240 -176 160
WIRE 176 240 96 240
WIRE 96 272 96 240
WIRE 176 272 176 240
WIRE 208 272 176 272
WIRE 400 272 400 160
WIRE 400 272 352 272
WIRE 208 352 176 352
WIRE 400 352 352 352
WIRE -176 384 -176 320
WIRE 96 384 96 352
WIRE 96 384 -176 384
WIRE 176 384 176 352
WIRE 176 384 96 384
WIRE -176 416 -176 384
WIRE 400 416 400 352
FLAG -176 416 0
FLAG 400 416 0
FLAG 416 160 out1
SYMBOL res -32 176 R270
WINDOW 0 16 -8 VTop 0
WINDOW 3 44 115 VBottom 0
SYMATTR InstName Rg1
SYMATTR Value 10k
SYMBOL voltage -176 224 R0
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL current 96 352 R180
WINDOW 0 24 88 Left 0
WINDOW 3 -109 -49 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value PULSE(0 {curr} 1u 1u 1u 0.5 1)
SYMBOL led_ldr 256 288 R0
SYMATTR InstName X1
TEXT -184 -240 Left 0 ;.op
TEXT -168 56 Left 0 !;dc dec I1 1u 20m 10
TEXT -168 -120 Left 0 ;.STEP PARAM CURR LIST 10u 100u 1m 10m
TEXT -168 -88 Left 0 !.tran 0 2 0
TEXT -184 -264 Left 0 !.param curr=1m
TEXT -168 -192 Left 0 ;Enable these lines for transient test.\nplot settings file: led_ldr_test_tran.plt
TEXT -168 -16 Left 0 ;Enable this line for static resistance test.\nplot settings file: led_ldr_test.plt
RECTANGLE Normal 360 -56 -200 -216 2
RECTANGLE Normal 312 120 -200 -40 2