Version 4 SHEET 1 1136 764 WIRE -96 -288 -848 -288 WIRE -848 -272 -848 -288 WIRE -288 -272 -688 -272 WIRE -688 -240 -688 -272 WIRE -64 -224 -320 -224 WIRE 272 -224 -64 -224 WIRE -32 -208 -272 -208 WIRE 64 -208 32 -208 WIRE 160 -208 64 -208 WIRE 288 -208 272 -224 WIRE -848 -176 -848 -192 WIRE -352 -176 -352 -240 WIRE -352 -176 -320 -224 WIRE -288 -176 -288 -272 WIRE -288 -176 -272 -208 WIRE -64 -176 -64 -224 WIRE 160 -176 160 -208 WIRE 320 -176 288 -208 WIRE -256 -160 -256 -176 WIRE -688 -144 -688 -160 WIRE -192 -144 -192 -176 WIRE -96 -144 -96 -288 WIRE -32 -144 -64 -144 WIRE 32 -144 -32 -144 WIRE 224 -144 224 -176 WIRE 288 -144 224 -144 WIRE 320 -144 288 -144 WIRE 64 -128 64 -208 WIRE -304 -112 -256 -160 WIRE -32 -112 -64 -112 WIRE 112 -112 160 -144 WIRE 112 -112 -32 -112 WIRE 144 -112 96 -144 WIRE 288 -112 144 -112 WIRE 320 -112 288 -112 WIRE -352 -80 -352 -176 WIRE -192 -80 -224 -80 WIRE -96 -80 -192 -80 WIRE -32 -80 -32 -112 WIRE 96 -80 64 -128 WIRE 160 -80 96 -80 WIRE 320 -80 320 -112 WIRE -304 -48 -304 -112 WIRE -160 -48 -304 -48 WIRE -32 -48 -96 -80 WIRE 320 -48 288 -80 WIRE 544 -48 320 -48 WIRE -256 -32 -288 -32 WIRE -192 -32 -192 -80 WIRE -192 -32 -256 -32 WIRE 544 -32 544 -48 WIRE -288 -16 -288 -32 WIRE -256 -16 -256 -32 WIRE -192 -16 -192 -32 WIRE -96 -16 -128 -16 WIRE -64 -16 -128 -48 WIRE -32 -16 -64 -16 WIRE 96 -16 96 -48 WIRE 128 -16 96 -16 WIRE 256 -16 128 -16 WIRE 352 -16 256 -16 WIRE -304 0 -304 -48 WIRE -288 16 -304 0 WIRE -256 16 -224 -16 WIRE 0 16 -32 -16 WIRE 32 16 0 16 WIRE 128 16 64 16 WIRE 160 16 128 16 WIRE 192 16 160 16 WIRE 256 16 224 16 WIRE 288 16 256 16 WIRE 352 16 320 16 WIRE -256 48 -256 16 WIRE -224 48 -224 16 WIRE -80 48 -64 16 WIRE -80 48 -128 48 WIRE -64 48 -32 -16 WIRE 192 48 160 48 WIRE 256 48 256 16 WIRE 352 48 352 16 WIRE 544 48 544 32 WIRE 544 48 352 48 WIRE -80 64 -112 64 WIRE -192 80 -160 -48 WIRE -160 80 -128 48 WIRE -128 80 -112 64 WIRE -96 80 -96 -16 WIRE -64 80 -80 64 WIRE 32 80 32 48 WIRE 64 80 32 80 WIRE 192 80 192 48 WIRE 224 80 192 80 WIRE 256 80 288 48 WIRE 320 80 288 48 WIRE -256 112 -256 80 WIRE -192 112 -224 48 WIRE -192 112 -160 80 WIRE -128 112 -128 80 WIRE 192 112 160 80 WIRE 256 112 288 80 WIRE 288 112 320 80 WIRE 320 112 288 80 WIRE 320 112 352 80 WIRE -352 144 -352 -80 WIRE -256 144 -256 112 WIRE -256 144 -352 144 WIRE -224 144 -224 80 WIRE -224 144 -256 144 WIRE -96 144 -96 80 WIRE -96 144 -224 144 WIRE -64 144 -64 112 WIRE -64 144 -96 144 WIRE -32 144 -32 112 WIRE -32 144 -64 144 WIRE 0 144 0 80 WIRE 0 144 -32 144 WIRE 32 144 32 112 WIRE 32 144 0 144 WIRE 96 144 96 112 WIRE 96 144 32 144 WIRE 160 144 160 80 WIRE 160 144 96 144 WIRE 224 144 256 112 WIRE 224 144 160 144 FLAG -848 -176 0 FLAG -352 -240 0 FLAG -688 -144 0 FLAG -256 -176 Rx FLAG -288 -176 Tx SYMBOL IRD 352 64 R0 WINDOW 0 30 0 Center 0 SYMATTR InstName D8 SYMATTR Value BPV23NFL SYMBOL TO92 288 48 R0 WINDOW 0 -11 -15 Center 0 SYMATTR InstName Q4 SYMBOL RN55upright 288 112 M90 WINDOW 0 -16 -16 Invisible 0 SYMATTR InstName R21 SYMATTR Value 121K SYMBOL RN55upright 256 -16 R180 WINDOW 0 -31 7 Invisible 0 SYMATTR InstName R19 SYMATTR Value 10K SYMBOL SMcap 224 48 R0 SYMATTR InstName C10 SYMATTR Value 300p SYMBOL TO92 160 48 R0 WINDOW 0 -12 -14 Center 0 SYMATTR InstName Q3 SYMBOL RN55upright 192 112 M0 WINDOW 0 -1 -60 Invisible 0 SYMATTR InstName R18 SYMATTR Value 221K SYMBOL RN55upright 192 16 R180 WINDOW 0 -3 -61 Invisible 0 SYMATTR InstName R17 SYMATTR Value 499K SYMBOL SMcap 64 48 R0 WINDOW 0 1 -1 VCenter 0 SYMATTR InstName C8 SYMATTR Value 300p SYMBOL RN55upright 128 -16 R180 WINDOW 0 -31 7 Invisible 0 SYMATTR InstName R16 SYMATTR Value 10K SYMBOL SMcap 0 48 R0 SYMATTR InstName C7 SYMATTR Value 330p SYMBOL RN55 -32 48 R0 WINDOW 0 2 0 VCenter 0 SYMATTR InstName R14 SYMATTR Value 24.9K SYMBOL SMcap -224 112 R90 WINDOW 0 -1 1 VCenter 0 SYMATTR InstName C5 SYMATTR Value 100p SYMBOL SMcap -96 112 R90 WINDOW 0 0 -1 VCenter 0 SYMATTR InstName C6 SYMATTR Value 30p SYMBOL RN55 32 -48 R90 WINDOW 0 0 -2 VCenter 0 SYMATTR InstName R15 SYMATTR Value 249 SYMBOL RN55upright -224 -16 M180 WINDOW 0 3 -70 Invisible 0 SYMATTR InstName R8 SYMATTR Value 1.1Meg SYMBOL RN55upright -64 16 R0 WINDOW 0 -3 42 Invisible 0 SYMATTR InstName R12 SYMATTR Value 249K SYMBOL LT1018dip -144 32 R270 SYMATTR InstName U1 SYMBOL RN55upright -64 80 R0 WINDOW 0 -18 -30 Invisible 0 SYMATTR InstName R13 SYMATTR Value 162K SYMBOL RN55upright -256 48 M180 WINDOW 0 3 -70 Invisible 0 SYMATTR InstName R9 SYMATTR Value 24.9K SYMBOL RN55upright -256 16 R0 WINDOW 0 -18 -30 Invisible 0 SYMATTR InstName R7 SYMATTR Value 249K SYMBOL RN55upright 256 80 R0 WINDOW 0 -18 -30 Invisible 0 SYMATTR InstName R20 SYMATTR Value 249K SYMBOL RN55upright -224 48 R180 WINDOW 0 0 40 Invisible 0 SYMATTR InstName R10 SYMATTR Value 1.1Meg SYMBOL coaxCap 96 48 R0 WINDOW 0 1 3 VCenter 0 SYMATTR InstName C9 SYMATTR Value 1µ SYMBOL voltage -688 -256 R0 WINDOW 39 37 44 Left 0 WINDOW 0 23 18 Left 0 WINDOW 3 38 69 Left 0 SYMATTR SpiceLine Rser=50 SYMATTR InstName V1 SYMATTR Value PWL(0 -5.6 1u 5.6) SYMBOL voltage -848 -288 R0 WINDOW 123 0 0 Left 0 WINDOW 39 37 63 Left 0 SYMATTR SpiceLine Rser=50 SYMATTR InstName V2 SYMATTR Value 5.6 SYMBOL RN55upright -128 -48 R270 WINDOW 0 16 -16 Invisible 0 SYMATTR InstName R11 SYMATTR Value 1.1Meg SYMBOL RN55upright -288 16 R0 WINDOW 0 -18 -30 Invisible 0 SYMATTR InstName R6 SYMATTR Value 4.99K SYMBOL RN55upright 352 16 R0 WINDOW 0 -18 -30 Invisible 0 SYMATTR InstName R22 SYMATTR Value 4.99K SYMBOL SMcap 320 48 R0 WINDOW 0 0 -1 VCenter 0 SYMATTR InstName C11 SYMATTR Value 500p SYMBOL smDiodeUpright 32 112 R0 SYMATTR InstName D6 SYMBOL smDiodeUpright 32 48 R0 SYMATTR InstName D5 SYMBOL SMdiode 0 -208 R270 WINDOW 0 0 -2 VCenter 0 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL SMcap 64 -144 R270 WINDOW 0 0 -1 VCenter 0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL RN55upright -32 -112 R0 WINDOW 0 -18 -30 Invisible 0 SYMATTR InstName R1 SYMATTR Value 90.9K SYMBOL RN55upright 288 -112 M0 WINDOW 0 -18 -30 Invisible 0 SYMATTR InstName R5 SYMATTR Value 162K SYMBOL SMcap 192 -144 R270 WINDOW 0 1 -1 VCenter 0 SYMATTR InstName C4 SYMATTR Value 100p SYMBOL RN55 32 -80 R270 SYMATTR InstName R2 SYMATTR Value 24.9K SYMBOL RN55 224 -80 R270 WINDOW 0 0 1 VCenter 0 SYMATTR InstName R4 SYMATTR Value 2K SYMBOL SMdiode -96 -112 M0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL SMdiode -192 -112 M0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL header9 -224 -176 R180 WINDOW 0 88 17 Center 0 SYMATTR InstName J1 SYMBOL RN55 224 -208 R270 WINDOW 0 0 -1 VCenter 0 SYMATTR InstName R3 SYMATTR Value 10K SYMBOL SMcap 192 -176 R270 WINDOW 0 -3 -1 VCenter 0 SYMATTR InstName C3 SYMATTR Value 10p SYMBOL coaxCap -288 -80 R90 WINDOW 0 -1 3 VCenter 0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL TO92 -64 -144 R180 WINDOW 0 -14 15 Center 0 SYMATTR InstName Q1 SYMBOL TO92 320 -144 R180 WINDOW 0 -8 12 Center 0 SYMATTR InstName Q2 SYMBOL IRxmitter 320 -64 M180 WINDOW 0 95 0 Center 0 SYMATTR InstName D4 SYMATTR Value TX SYMBOL cap 528 -32 R0 SYMATTR InstName Cstray SYMATTR Value 200f TEXT 112 192 Left 0 !.tran 0 .6m .5m TEXT 328 -224 Bottom 0 ;1.2"×2.3" TEXT -600 -248 Left 0 !.param baud=9600 TEXT 48 -272 Bottom 0 ;Serial MARES IRIS to AirLab Cable, Version 2\nMike Engelhardt 01/17/07 TEXT -392 176 Left 0 !.model TX D(Cjo=18p)\n.model BPV23NFL D(Is=1n Rs=900 Cjo=48p) TEXT 576 -64 Bottom 0 ;Actual cable loop-\nback is due to stray\ncapacitance RECTANGLE Normal 400 160 -384 -224 2 CIRCLE Normal 704 112 448 -208 2