Version 4
SHEET 1 1220 680
WIRE 176 -160 144 -160
WIRE 304 -160 256 -160
WIRE 544 -160 304 -160
WIRE 304 -144 304 -160
WIRE 544 -144 544 -160
WIRE 304 -32 304 -64
WIRE 352 -32 304 -32
WIRE 448 -32 416 -32
WIRE 544 -32 544 -64
WIRE 640 -32 544 -32
WIRE 768 -32 704 -32
WIRE 800 -32 768 -32
WIRE 896 -32 864 -32
WIRE 944 -32 896 -32
WIRE 992 -32 944 -32
WIRE 304 -16 304 -32
WIRE 544 -16 544 -32
WIRE -160 48 -480 48
WIRE -128 48 -160 48
WIRE -48 48 -80 48
WIRE 32 48 -48 48
WIRE 144 48 96 48
WIRE 192 48 144 48
WIRE 256 48 192 48
WIRE 448 48 448 -32
WIRE 496 48 448 48
WIRE -80 64 -80 48
WIRE 192 64 192 48
WIRE 768 80 768 -32
WIRE 896 80 896 -32
WIRE 992 80 992 -32
WIRE -480 96 -480 48
WIRE 32 112 32 48
WIRE 96 112 96 48
WIRE 448 112 448 48
WIRE 544 112 544 80
WIRE 624 112 544 112
WIRE -160 128 -400 128
WIRE -128 128 -160 128
WIRE -400 144 -400 128
WIRE 544 144 544 112
WIRE 624 144 624 112
WIRE 192 160 192 128
WIRE 304 160 304 80
WIRE 304 160 192 160
WIRE 304 176 304 160
WIRE 192 192 192 160
WIRE -480 272 -480 176
WIRE -400 272 -400 224
WIRE -400 272 -480 272
WIRE -80 272 -80 144
WIRE -80 272 -400 272
WIRE 32 272 32 192
WIRE 32 272 -80 272
WIRE 96 272 96 192
WIRE 96 272 32 272
WIRE 192 272 192 256
WIRE 192 272 96 272
WIRE 304 272 304 256
WIRE 304 272 192 272
WIRE 448 272 448 192
WIRE 448 272 304 272
WIRE 544 272 544 224
WIRE 544 272 448 272
WIRE 624 272 624 208
WIRE 624 272 544 272
WIRE 768 272 768 144
WIRE 768 272 624 272
WIRE 896 272 896 144
WIRE 896 272 768 272
WIRE 992 272 992 160
WIRE 992 272 896 272
WIRE -480 288 -480 272
FLAG 144 -160 0
FLAG 144 48 in
FLAG 944 -32 out
FLAG -480 288 0
FLAG -160 48 takt
FLAG -160 128 carr
FLAG -48 48 src
SYMBOL ind2 112 208 R180
WINDOW 0 -27 71 Left 2
WINDOW 3 -47 116 Left 2
SYMATTR InstName L1
SYMATTR Value 0.6334m
SYMATTR Type ind
SYMATTR SpiceLine Rser=1 Rpar=50k Cpar=30p
SYMBOL cap 176 64 R0
SYMATTR InstName C1
SYMATTR Value 6.8n
SYMBOL voltage 272 -160 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL res 288 160 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL cap 176 192 R0
SYMATTR InstName C2
SYMATTR Value {c_var}
SYMBOL res 288 -160 R0
SYMATTR InstName R1
SYMATTR Value 24k
SYMBOL njf 256 -16 R0
WINDOW 3 27 55 Left 2
SYMATTR Value BF245B
SYMATTR InstName J1
SYMBOL voltage -400 128 R0
WINDOW 0 -67 76 Left 2
WINDOW 3 -68 109 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 1 77.5k)
SYMATTR Value2 AC 1
SYMBOL voltage -480 80 R0
WINDOW 0 -66 37 Left 2
WINDOW 3 -66 9 Left 2
WINDOW 39 0 0 Left 2
WINDOW 123 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(1 0.25 20m 1m 1m 40m 100m)
SYMBOL bi -80 64 R0
WINDOW 0 13 88 Left 2
WINDOW 3 -255 93 Invisible 2
SYMATTR InstName B1
SYMATTR Value I = V(takt) * V(carr) * 0.76e-6
SYMBOL ind2 16 96 R0
WINDOW 0 -23 114 Left 2
WINDOW 3 -21 78 Left 2
SYMATTR InstName L2
SYMATTR Value 1
SYMATTR Type ind
SYMBOL cap 416 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 470n
SYMBOL res 464 96 M0
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res 528 -160 R0
SYMATTR InstName R2
SYMATTR Value 24k
SYMBOL njf 496 -16 R0
WINDOW 3 27 55 Left 2
SYMATTR Value BF245B
SYMATTR InstName J2
SYMBOL cap 608 144 R0
SYMATTR InstName C3
SYMATTR Value 220n
SYMBOL res 528 128 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL cap 704 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 47n
SYMBOL cap 912 80 M0
SYMATTR InstName C5
SYMATTR Value 47n
SYMBOL schottky 784 144 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 800 -16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1008 64 M0
SYMATTR InstName R6
SYMATTR Value 100k
TEXT -544 -152 Left 2 !.tran 0 1 0 10n
TEXT -8 296 Left 2 !K1 L1 L2 2e-3
TEXT -544 -64 Left 2 !;ac dec 50000 75k 81k
TEXT -544 -32 Left 2 !;.step param c_var list 10u 390n 270n 220n 191n
TEXT -544 -120 Left 2 !.param c_var 270n