Version 4 SHEET 1 5064 1424 WIRE 528 -240 528 -256 WIRE 592 -240 528 -240 WIRE 592 -224 592 -240 WIRE 48 -192 48 -256 WIRE 992 -192 992 -256 WIRE -1296 -160 -1296 -192 WIRE 592 -144 592 -160 WIRE 528 -96 528 -240 WIRE 528 -96 304 -96 WIRE 736 -96 528 -96 WIRE 304 -64 304 -96 WIRE 736 -64 736 -96 WIRE -784 -16 -784 -48 WIRE 48 -16 48 -112 WIRE 48 -16 -176 -16 WIRE 112 -16 48 -16 WIRE 240 -16 192 -16 WIRE 848 -16 800 -16 WIRE 992 -16 992 -112 WIRE 992 -16 928 -16 WIRE 1216 -16 992 -16 WIRE -1296 16 -1296 -80 WIRE -176 32 -176 -16 WIRE 1216 32 1216 -16 WIRE 528 64 352 64 WIRE -352 80 -432 80 WIRE -240 80 -272 80 WIRE 1328 80 1280 80 WIRE 1456 80 1408 80 WIRE 528 112 528 64 WIRE 528 112 464 112 WIRE 608 112 528 112 WIRE -784 128 -784 64 WIRE 464 144 464 112 WIRE 608 144 608 112 WIRE 304 176 304 32 WIRE 352 176 352 64 WIRE 352 176 304 176 WIRE 736 176 736 32 WIRE 736 176 688 176 WIRE 464 240 464 208 WIRE 528 240 464 240 WIRE 608 240 608 208 WIRE 608 240 528 240 WIRE 528 288 528 240 WIRE 688 288 688 176 WIRE 688 288 528 288 WIRE 304 304 304 176 WIRE 736 304 736 176 WIRE -784 352 -784 320 WIRE 48 352 -16 352 WIRE 112 352 48 352 WIRE 240 352 192 352 WIRE 848 352 800 352 WIRE 992 352 928 352 WIRE 1056 352 992 352 WIRE -1296 464 -1296 432 WIRE 48 464 48 352 WIRE 304 480 304 400 WIRE 736 480 736 400 WIRE 992 480 992 352 WIRE -784 496 -784 432 WIRE -176 608 -176 128 WIRE 48 608 48 544 WIRE 48 608 -176 608 WIRE 304 608 304 560 WIRE 304 608 48 608 WIRE 528 608 304 608 WIRE 736 608 736 560 WIRE 736 608 528 608 WIRE 992 608 992 560 WIRE 992 608 736 608 WIRE 1216 608 1216 128 WIRE 1216 608 992 608 WIRE -1296 640 -1296 544 WIRE 528 688 528 608 WIRE -208 1056 -416 1056 WIRE 528 1056 320 1056 WIRE -208 1120 -208 1056 WIRE 528 1120 528 1056 WIRE -416 1216 -416 1056 WIRE 320 1216 320 1056 WIRE -208 1264 -208 1184 WIRE 528 1264 528 1184 WIRE -416 1376 -416 1296 WIRE -208 1376 -208 1344 WIRE -208 1376 -416 1376 WIRE 320 1376 320 1296 WIRE 528 1376 528 1344 WIRE 528 1376 320 1376 WIRE -208 1408 -208 1376 WIRE 528 1408 528 1376 FLAG 592 -144 0 FLAG 528 688 0 FLAG 48 -256 VCC_5 FLAG 528 -256 VCC_5 FLAG -784 128 0 FLAG -784 -48 VCC_5 FLAG 1056 352 V_DAC IOPIN 1056 352 In FLAG -1296 -192 VCC_PULSE_IR FLAG 992 -256 VCC_5 FLAG -16 352 V_DAC IOPIN -16 352 In FLAG -784 496 0 FLAG -784 320 V_DAC FLAG 1456 80 VCC_PULSE_RED FLAG -1296 16 0 FLAG -1296 432 VCC_PULSE_RED FLAG -1296 640 0 FLAG -432 80 VCC_PULSE_IR FLAG -208 1408 0 FLAG 528 1408 0 SYMBOL LED 448 144 R0 SYMATTR InstName IR SYMATTR Value Nell_IR SYMBOL LED 624 208 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName RED SYMATTR Value Nell_RED SYMBOL res 288 464 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL res 720 464 R0 SYMATTR InstName R2 SYMATTR Value 10 SYMBOL res 976 464 R0 SYMATTR InstName R3 SYMATTR Value 5k SYMBOL res 32 448 R0 SYMATTR InstName R4 SYMATTR Value 5k SYMBOL res 96 368 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 8k2 SYMBOL res 832 368 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 8k2 SYMBOL res 96 0 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R7 SYMATTR Value 1k SYMBOL res 832 0 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R8 SYMATTR Value 1k SYMBOL res 32 -208 R0 SYMATTR InstName R9 SYMATTR Value 10k SYMBOL res 976 -208 R0 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL cap 576 -224 R0 SYMATTR InstName C1 SYMATTR Value 0.1µF SYMBOL npn 240 304 R0 SYMATTR InstName Q5 SYMATTR Value BC547C SYMBOL npn 800 304 M0 SYMATTR InstName Q1 SYMATTR Value BC547C SYMBOL pnp 800 32 R180 SYMATTR InstName Q2 SYMATTR Value BC557B SYMBOL pnp 240 32 M180 SYMATTR InstName Q3 SYMATTR Value BC557B SYMBOL voltage -784 -32 R0 WINDOW 123 24 126 Left 2 WINDOW 39 24 111 Left 2 SYMATTR InstName V2 SYMATTR Value 5V SYMBOL voltage -1296 -176 R0 WINDOW 123 24 126 Left 2 WINDOW 39 24 111 Left 2 SYMATTR InstName V3 SYMATTR Value PULSE(0 3 0 0 0 450us 2000us 100) SYMBOL voltage -784 336 R0 WINDOW 123 24 126 Left 2 WINDOW 39 24 111 Left 2 SYMATTR InstName V1 SYMATTR Value 3.3V SYMBOL voltage -1296 448 R0 WINDOW 123 24 126 Left 2 WINDOW 39 24 111 Left 2 SYMATTR InstName V6 SYMATTR Value PULSE(0 3 1000us 0 0 450us 2000us 100) SYMBOL npn 1280 32 M0 SYMATTR InstName Q9 SYMATTR Value BC547C SYMBOL res 1424 64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R21 SYMATTR Value 1k SYMBOL res -368 96 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R22 SYMATTR Value 1k SYMBOL npn -240 32 R0 SYMATTR InstName Q4 SYMATTR Value BC547C SYMBOL LED -224 1120 R0 SYMATTR InstName IR1 SYMATTR Value Nell_IR SYMBOL res -224 1248 R0 SYMATTR InstName R11 SYMATTR Value 10 SYMBOL voltage -416 1200 R0 WINDOW 123 24 126 Left 2 WINDOW 39 24 111 Left 2 SYMATTR InstName V5 SYMATTR Value V4 SYMBOL res 512 1248 R0 SYMATTR InstName R12 SYMATTR Value 10 SYMBOL voltage 320 1200 R0 WINDOW 123 24 126 Left 2 WINDOW 39 24 111 Left 2 SYMATTR InstName V4 SYMATTR Value V4 SYMBOL LED 512 1120 R0 SYMATTR InstName RED1 SYMATTR Value Nell_RED TEXT -960 680 Left 2 ;.tran 10ms TEXT -960 720 Left 2 !;tran 5 TEXT -960 640 Left 2 !.dc V4 0 3.3 TEXT -40 792 Left 2 !.model Nell_IR d(\n+ IS=2.17E-14 N=1.779 RS=3.564834 \n+ EG=1.11 XTI=3) TEXT 560 784 Left 2 !.model Nell_RED d(\n+ IS=1.00E-20 N=1.737 RS=10.293681 \n+ EG=1.11 XTI=3)