Version 4
SHEET 1 1180 836
WIRE -448 -240 -624 -240
WIRE -352 -240 -448 -240
WIRE -240 -240 -352 -240
WIRE -80 -240 -240 -240
WIRE 160 -240 -80 -240
WIRE 288 -240 160 -240
WIRE 416 -240 288 -240
WIRE 560 -240 416 -240
WIRE 736 -240 560 -240
WIRE 976 -240 736 -240
WIRE -448 -208 -448 -240
WIRE -352 -208 -352 -240
WIRE 416 -192 416 -240
WIRE 560 -192 560 -240
WIRE 736 -192 736 -240
WIRE 976 -192 976 -240
WIRE -768 -128 -784 -128
WIRE -688 -128 -704 -128
WIRE -496 -128 -688 -128
WIRE -448 -112 -448 -144
WIRE -352 -112 -352 -128
WIRE 736 -112 736 -128
WIRE 864 -112 736 -112
WIRE 976 -112 976 -128
WIRE 1104 -112 976 -112
WIRE -624 -64 -624 -240
WIRE 288 -64 288 -240
WIRE 416 -64 416 -128
WIRE 560 -64 560 -128
WIRE -688 -48 -688 -128
WIRE -656 -48 -688 -48
WIRE -496 -32 -496 -128
WIRE -496 -32 -592 -32
WIRE -384 -32 -400 -32
WIRE -304 -32 -320 -32
WIRE -112 -32 -304 -32
WIRE -1072 -16 -1184 -16
WIRE -976 -16 -992 -16
WIRE -864 -16 -976 -16
WIRE -784 -16 -784 -128
WIRE -768 -16 -784 -16
WIRE -672 -16 -688 -16
WIRE -656 -16 -672 -16
WIRE 736 -16 736 -32
WIRE 976 -16 976 -32
WIRE 976 -16 736 -16
WIRE 736 0 736 -16
WIRE -672 16 -672 -16
WIRE -1184 32 -1184 -16
WIRE -240 32 -240 -240
WIRE -16 32 -16 -80
WIRE 96 32 64 32
WIRE 128 32 96 32
WIRE 240 32 208 32
WIRE -304 48 -304 -32
WIRE -272 48 -304 48
WIRE -112 64 -112 -32
WIRE -112 64 -208 64
WIRE -496 80 -496 -32
WIRE -480 80 -496 80
WIRE -400 80 -400 -32
WIRE -384 80 -400 80
WIRE -288 80 -304 80
WIRE -272 80 -288 80
WIRE 416 80 416 16
WIRE 560 80 560 16
WIRE 560 80 416 80
WIRE 736 80 736 64
WIRE 736 80 560 80
WIRE 160 96 160 -240
WIRE 864 96 864 -32
WIRE 1104 96 1104 -32
WIRE -288 112 -288 80
WIRE 96 112 96 32
WIRE 128 112 96 112
WIRE 240 128 240 32
WIRE 240 128 192 128
WIRE -112 144 -112 64
WIRE 128 144 -112 144
WIRE 736 144 736 80
WIRE -1184 208 -1184 112
WIRE -976 208 -976 64
WIRE -672 208 -672 80
WIRE -624 208 -624 0
WIRE -288 224 -288 176
WIRE -240 224 -240 96
WIRE 288 224 288 16
WIRE 400 224 288 224
WIRE 688 224 400 224
WIRE 160 240 160 160
WIRE 400 240 400 224
WIRE -80 304 -80 -240
WIRE -80 304 -336 304
WIRE -16 304 -80 304
WIRE 128 304 -16 304
WIRE 240 320 240 128
WIRE 352 320 240 320
WIRE -16 336 -16 304
WIRE 128 336 128 304
WIRE -16 448 -16 400
WIRE 128 448 128 400
WIRE 400 448 400 336
WIRE -512 464 -512 352
WIRE -400 464 -432 464
WIRE -368 464 -400 464
WIRE -208 464 -288 464
WIRE 736 464 736 240
WIRE -336 528 -336 304
WIRE -400 544 -400 464
WIRE -368 544 -400 544
WIRE -208 560 -208 464
WIRE -208 560 -304 560
WIRE -16 560 -16 528
WIRE 128 560 128 528
WIRE 128 560 -16 560
WIRE -880 576 -992 576
WIRE -784 576 -800 576
WIRE -688 576 -784 576
WIRE -544 576 -608 576
WIRE -368 576 -544 576
WIRE -16 592 -16 560
WIRE -992 624 -992 576
WIRE -208 672 -208 560
WIRE -64 672 -208 672
WIRE -992 752 -992 704
WIRE -784 752 -784 656
WIRE -544 752 -544 640
WIRE -336 752 -336 592
WIRE -16 752 -16 688
FLAG 160 240 0
FLAG -1184 208 0
FLAG -352 -112 0
FLAG -16 -80 0
FLAG 736 464 0
FLAG -976 208 0
FLAG -240 224 0
FLAG -288 224 0
FLAG -624 208 0
FLAG -672 208 0
FLAG -16 752 0
FLAG -992 752 0
FLAG -784 752 0
FLAG -336 752 0
FLAG -512 352 0
FLAG -544 752 0
FLAG -448 -112 0
FLAG 864 96 0
FLAG 1104 96 0
FLAG 400 448 0
SYMBOL Opamps\\LT1014A 160 64 R0
WINDOW 3 -951 306 Left 0
SYMATTR InstName U1_3
SYMBOL voltage -1184 16 R0
WINDOW 3 24 104 Invisible 0
SYMATTR Value PULSE(0 5 0 1p 1p 1800u 20000u)
SYMATTR InstName ThrCh
SYMBOL res 80 16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL LED 720 -192 R0
WINDOW 3 -30 -37 Left 0
SYMATTR Value QTLP690C
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 752 -16 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R13
SYMATTR Value 220
SYMBOL voltage -352 -224 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL res 224 16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R11
SYMATTR Value 100k
SYMBOL Misc\\2N7002 352 240 R0
SYMATTR InstName Q2
SYMBOL res 272 -80 R0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res -976 -32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName POT1
SYMATTR Value 400k
SYMBOL res -992 -32 R0
SYMATTR InstName POT1_
SYMATTR Value 600k
SYMBOL res 880 -16 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R14
SYMATTR Value 1k
SYMBOL Opamps\\LT1014A -240 0 R0
WINDOW 3 -564 361 Left 0
SYMATTR InstName U1_2
SYMBOL res -288 64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R09
SYMATTR Value 100k
SYMBOL cap -320 -48 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C04
SYMATTR Value 100n
SYMBOL cap -304 112 R0
SYMATTR InstName C05
SYMATTR Value 100n
SYMBOL res -384 64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R08
SYMATTR Value 100k
SYMBOL Opamps\\LT1014A -624 -96 R0
WINDOW 3 -180 456 Left 0
SYMATTR InstName U1_1
SYMBOL res -672 -32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R07
SYMATTR Value 100k
SYMBOL cap -704 -144 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C02
SYMATTR Value 100n
SYMBOL cap -688 16 R0
SYMATTR InstName C03
SYMATTR Value 100n
SYMBOL res -768 -32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R06
SYMATTR Value 100k
SYMBOL nmos 688 144 R0
SYMATTR InstName Q3
SYMATTR Value IRL530NS_L
SYMBOL LED -32 336 R0
SYMATTR InstName D3
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 0 544 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R04
SYMATTR Value 220
SYMBOL nmos -64 592 R0
SYMATTR InstName Q1
SYMATTR Value IRL530NS_L
SYMBOL voltage -992 608 R0
WINDOW 3 24 104 Invisible 0
SYMATTR Value PULSE(0 5 0 1p 1p 1800u 20000u)
SYMATTR InstName HeadCh
SYMBOL res -784 560 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName POT2
SYMATTR Value 400k
SYMBOL res -800 560 R0
SYMATTR InstName POT2_
SYMATTR Value 600k
SYMBOL Opamps\\LT1014A -336 496 R0
WINDOW 3 -458 -131 Left 0
SYMATTR InstName U1_4
SYMBOL res -416 448 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R02
SYMATTR Value 10k
SYMBOL res -272 448 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R03
SYMATTR Value 100k
SYMBOL cap -560 576 R0
SYMATTR InstName C01
SYMATTR Value 100n
SYMBOL res -592 560 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R01
SYMATTR Value 220k
SYMBOL LED 112 336 R0
SYMATTR InstName D4
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 144 544 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R05
SYMATTR Value 220
SYMBOL LED 960 -192 R0
WINDOW 3 -32 -34 Left 0
SYMATTR Value QTLP690C
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 992 -16 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R15
SYMATTR Value 220
SYMBOL res 1120 -16 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R16
SYMATTR Value 1k
SYMBOL LED 544 -192 R0
WINDOW 3 -24 -33 Left 0
SYMATTR Value QTLP690C
SYMATTR InstName D5
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 576 32 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R17
SYMATTR Value 220
SYMBOL LED 400 -192 R0
WINDOW 3 -39 -29 Left 0
SYMATTR Value QTLP690C
SYMATTR InstName D6
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 432 32 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R18
SYMATTR Value 220
SYMBOL cap -464 -208 R0
SYMATTR InstName C06
SYMATTR Value 100n
SYMBOL diode 720 0 R0
SYMATTR InstName D7
SYMATTR Value 1N4148
TEXT -824 328 Left 0 !.tran 0 1 0 10u
TEXT -600 0 Left 0 ;LM324
TEXT -224 96 Left 0 ;LM324
TEXT 72 184 Left 0 ;LM324
TEXT -312 592 Left 0 ;LM324
TEXT 368 696 Left 0 ;Copyright 2011 Arvid Mortensen
TEXT 408 656 Left 0 ;RC Tail Brake Head LED
TEXT 432 736 Left 0 ;WWW.LAMJA.COM
TEXT 40 336 Left 0 ;Head
TEXT 840 -160 Left 0 ;Tail
TEXT 456 -104 Left 0 ;Brake
TEXT -1096 400 Left 0 ;POT1, POT2 = 1 MOhm