Version 4
SHEET 1 1724 680
WIRE 0 -32 -32 -32
WIRE 160 -32 80 -32
WIRE 256 -32 160 -32
WIRE 384 -32 320 -32
WIRE 160 0 160 -32
WIRE 256 0 256 -32
WIRE 384 0 384 -32
WIRE 160 112 160 64
WIRE 256 112 256 80
WIRE 256 112 160 112
WIRE 320 112 320 -32
WIRE 320 112 256 112
WIRE 384 112 384 80
WIRE 464 112 384 112
WIRE 592 112 528 112
WIRE 640 112 592 112
WIRE 768 112 720 112
WIRE 816 112 768 112
WIRE 944 112 896 112
WIRE 1040 112 944 112
WIRE 1072 112 1040 112
WIRE 256 128 256 112
WIRE -336 160 -672 160
WIRE -336 176 -368 176
WIRE -368 192 -368 176
WIRE -336 192 -368 192
WIRE 1072 192 1072 112
WIRE -368 208 -368 192
WIRE -368 208 -416 208
WIRE -336 208 -368 208
WIRE -176 208 -272 208
WIRE -64 208 -112 208
WIRE 64 208 0 208
WIRE 208 208 64 208
WIRE 592 208 592 112
WIRE 768 208 768 112
WIRE 944 208 944 112
WIRE -368 224 -368 208
WIRE -336 224 -368 224
WIRE 64 224 64 208
WIRE -672 240 -672 160
WIRE -416 240 -416 208
WIRE -672 352 -672 320
WIRE -416 352 -416 320
WIRE -416 352 -672 352
WIRE -320 352 -320 224
WIRE -320 352 -416 352
WIRE -176 352 -176 224
WIRE -176 352 -320 352
WIRE 256 352 256 224
WIRE 256 352 -176 352
WIRE 384 352 384 304
WIRE 384 352 256 352
WIRE 592 352 592 272
WIRE 592 352 384 352
WIRE 768 352 768 272
WIRE 768 352 592 352
WIRE 944 352 944 272
WIRE 944 352 768 352
WIRE 1072 352 1072 272
WIRE 1072 352 944 352
WIRE -672 368 -672 352
WIRE 64 416 64 304
WIRE 128 416 64 416
WIRE 256 416 256 352
WIRE 256 416 208 416
FLAG -32 -32 0
FLAG -672 368 0
FLAG 1040 112 out
SYMBOL nmos 208 128 R0
WINDOW 0 -42 62 Left 2
WINDOW 3 -40 104 Left 2
SYMATTR InstName M1
SYMATTR Value IRF510
SYMBOL ind2 272 -16 M0
SYMATTR InstName L1
SYMATTR Value 2.16µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=40m Cpar=1p
SYMBOL cap 528 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL res 1056 176 R0
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL voltage 96 -32 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V_Batt
SYMATTR Value 13.5V
SYMBOL cap 0 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL voltage 112 416 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 3.6V
SYMBOL res 48 208 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL voltage -672 224 M0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -113 69 Left 2
WINDOW 3 -113 105 Left 2
SYMATTR InstName V_DDS
SYMATTR Value SINE(2.5V 0.5V 14Meg)
SYMBOL Digital\\buf1 -176 144 R0
WINDOW 0 -1 27 Left 2
WINDOW 3 -3 -6 Left 2
SYMATTR InstName A1
SYMATTR Value vhigh=6 vlow=0 rout=1
SYMBOL ind2 400 -16 M0
WINDOW 0 -30 37 Left 2
WINDOW 3 -69 79 Left 2
SYMATTR InstName L2
SYMATTR Value 2.16µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=40m Cpar=1p
SYMBOL voltage 384 208 M0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 47 71 Left 2
WINDOW 3 -174 99 Left 2
SYMATTR Value2 AC 2
SYMATTR InstName V4
SYMATTR Value SINE(3V 0.5V 14Meg)
SYMBOL res 368 128 R0
SYMATTR InstName R3
SYMATTR Value 40
SYMBOL cap 176 0 M0
SYMATTR InstName C8
SYMATTR Value 39p
SYMBOL Digital\\and -304 128 R0
WINDOW 0 -30 -18 Left 2
WINDOW 3 -117 10 Left 2
SYMATTR InstName A3
SYMATTR Value vhigh=5 vlow=0
SYMBOL voltage -416 224 M0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 43 65 Left 2
WINDOW 3 -355 103 Left 2
SYMATTR InstName V_Tx
SYMATTR Value PULSE(0 5 1u 10u 10u 100u 140u)
SYMBOL cap 576 208 R0
SYMATTR InstName C3
SYMATTR Value 470p
SYMBOL cap 752 208 R0
SYMATTR InstName C4
SYMATTR Value 620p
SYMBOL cap 928 208 R0
SYMATTR InstName C5
SYMATTR Value 390p
SYMBOL ind2 624 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 590n
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m Rpar=20k Cpar=0.5p
SYMBOL ind2 800 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 590n
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m Rpar=20k Cpar=0.5p
TEXT -512 -56 Left 2 !.tran 0 140u 0 300p
TEXT -512 -24 Left 2 !;ac dec 1k 5Meg 50Meg
TEXT -208 104 Left 2 ;8 x 74HC240
TEXT -408 56 Left 2 ;Nand, z.B.\n1 x 74HC00
TEXT 240 -56 Left 2 !K1 L1 L2 0.97
TEXT 440 -48 Left 2 ;T50-2\nbifilar 2 x 21 Wdg.
TEXT 632 48 Left 2 ;2 x T50-2, je 11 Wdg.