seppl/led-efficiency-measurement
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This commit is contained in:
Joseph Hopfmüller
2023-01-23 09:20:59 +01:00
parent beeff09dfa
commit 4d4bae42b7
7 changed files with 0 additions and 0 deletions
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electronics/sim/current source.asc Normal file
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Version 4
SHEET 1 2468 1428
WIRE 560 48 272 48
WIRE -144 128 -496 128
WIRE -64 128 -144 128
WIRE 272 128 272 48
WIRE 272 128 256 128
WIRE 624 128 624 96
WIRE 624 128 592 128
WIRE 624 144 624 128
WIRE -64 160 -64 128
WIRE 96 160 -64 160
WIRE 592 160 592 128
WIRE 592 160 256 160
WIRE 96 192 48 192
WIRE 320 192 256 192
WIRE 800 224 624 224
WIRE 976 224 800 224
WIRE 800 288 736 288
WIRE 976 288 800 288
WIRE 736 320 736 288
WIRE 320 400 320 192
WIRE 352 400 320 400
WIRE 368 400 352 400
WIRE 352 432 352 400
WIRE 368 432 352 432
WIRE 624 432 624 224
WIRE 624 432 528 432
WIRE 576 464 528 464
WIRE 672 624 352 624
WIRE 496 768 256 768
WIRE 352 800 352 624
WIRE 352 800 256 800
WIRE 592 816 560 816
WIRE 672 816 672 624
WIRE 96 832 48 832
WIRE 432 832 256 832
WIRE 560 848 560 816
WIRE 432 928 432 832
WIRE 560 928 432 928
WIRE 656 928 560 928
WIRE 688 928 656 928
FLAG 96 224 0
FLAG 144 -96 0
FLAG 144 -176 +15
FLAG 624 0 +15
FLAG 736 320 0
FLAG 800 224 out+
FLAG 800 288 out-
FLAG 96 128 +15
FLAG 48 192 0
FLAG -496 208 0
FLAG 528 496 0
FLAG 528 400 +15
FLAG 576 464 0
FLAG 368 464 0
FLAG 96 864 0
FLAG 96 768 +15
FLAG 48 832 0
FLAG 560 720 +15
FLAG 656 928 out+2
FLAG 688 992 0
FLAG -144 128 vin
FLAG 96 800 vin
FLAG 1824 560 +15
FLAG 1824 640 0
FLAG 2208 560 +15
FLAG 2208 640 0
SYMBOL AutoGenerated\\AD8276 176 176 R0
SYMATTR InstName U1
SYMBOL npn 560 0 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 608 128 R0
SYMATTR InstName R1
SYMATTR Value 330
SYMBOL voltage 144 -192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -496 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 3.3 0 1 1u 1)
SYMBOL diode 960 224 R0
SYMATTR InstName D1
SYMATTR Value LV_CRBP.01_25-min
SYMBOL AutoGenerated\\AD8276 448 448 M0
SYMATTR InstName U3
SYMBOL AutoGenerated\\AD8276 176 816 R0
SYMATTR InstName U4
SYMBOL npn 496 720 R0
SYMATTR InstName Q2
SYMATTR Value 2N2222
SYMBOL res 544 832 R0
SYMATTR InstName R2
SYMATTR Value 330
SYMBOL res 688 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 330
SYMBOL diode 672 928 R0
SYMATTR InstName D2
SYMATTR Value LV_CRBP.01_25-min
SYMBOL bi 1824 560 R0
SYMATTR InstName B1
SYMATTR Value I=V(vin)/330.9712749
SYMBOL bi 2208 560 R0
SYMATTR InstName B2
SYMATTR Value I=V(vin)/327.2919536
TEXT -336 -312 Left 2 ;.step param R1 list 0.1 2500 5000 7500 9999.9
TEXT 856 96 Left 2 ;I_out = 3.03e-3*Vin\n-> 14 bit DAC -> < 1uA resolution\n-> 10 bit DAC -> <10uA resolution
TEXT 824 352 Left 2 !.model LV_CRBP.01_25-min D (BV=7 IS=3.223817631764513e-14 N=3.454960721622244 RS=0.3874073653535945 Tnom=25 mfg=OSRAM_OS)
TEXT 848 32 Left 2 !.meas P_LED AVG I(D1)*V(out+)
TEXT 848 -32 Left 2 ;.step param Vin 0 3.3 0.165
TEXT 846 -58 Left 2 !.tran 1
TEXT 848 0 Left 2 !.meas I_LED AVG I(D1)