exjobb/ltspice/dämpare/attenuator 60db.asc

Version 4
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SYMBOL res 4464 -352 R270
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SYMATTR InstName R47
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SYMATTR InstName R48
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SYMBOL res 3920 -400 R270
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SYMATTR InstName R49
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SYMATTR InstName R50
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SYMATTR InstName R56
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SYMATTR InstName R58
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SYMATTR InstName R59
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SYMATTR InstName R68
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SYMBOL res 3616 1072 R0
SYMATTR InstName R80
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SYMBOL res 3712 1072 R0
SYMATTR InstName R81
SYMATTR Value 1500
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SYMATTR InstName R82
SYMATTR Value 820
SYMBOL res 3712 1184 R0
SYMATTR InstName R83
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SYMATTR InstName R84
SYMATTR Value 820
SYMBOL res 3712 1296 R0
SYMATTR InstName R85
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SYMATTR InstName R86
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SYMATTR InstName R87
SYMATTR Value 1200
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WINDOW 3 0 56 VBottom 2
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SYMBOL res 3808 976 R270
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WINDOW 3 0 56 VBottom 2
SYMATTR InstName R89
SYMATTR Value 1500
SYMBOL res 3920 1072 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R90
SYMATTR Value 820
SYMBOL res 3920 976 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R91
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SYMBOL res 4032 1072 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R92
SYMATTR Value 820
SYMBOL res 4032 976 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R93
SYMATTR Value 1200
SYMBOL res 4144 1072 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R94
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SYMBOL res 4144 976 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R95
SYMATTR Value 1200
SYMBOL current 3440 432 R180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I5
SYMATTR Value 1
SYMBOL current 4816 1136 R180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I6
SYMATTR Value 1
SYMBOL bv 5008 -336 R0
SYMATTR InstName B3
SYMATTR Value V=20*log10(V(Vut3)/V(Vin3))
TEXT -200 -88 Left 2 ;In-Impedans
TEXT 528 176 Left 2 ;Ut-Impedans
TEXT 32 -592 Left 2 !* Första länken\n.param R1_val = 1992\n.param R2_val = 1992\n.param R3_val = 820
TEXT -80 -1032 Left 2 !.op
TEXT -80 -1056 Left 2 !;.tran 1
TEXT 1408 -96 Left 2 ;In-Impedans
TEXT 2144 208 Left 2 ;Ut-Impedans
TEXT 1680 -584 Left 2 !* Andra länken\n.param R4_val = 47\n.param R5_val = 560\n.param R6_val = 56
TEXT 3752 -560 Left 5 ;Färdig dämpare för 1000 Ohm -60dB
TEXT 3776 -64 Left 2 ;Typ 1992 Ohm
TEXT 3936 -240 Left 2 ;Typ 1992 Ohm
TEXT 3432 680 Left 2 ;Typ 1992 Ohm
TEXT 3936 448 Left 2 ;Typ 1992 Ohm
TEXT 3432 1368 Left 2 ;Typ 1992 Ohm
TEXT 3936 1136 Left 2 ;Typ 1992 Ohm
TEXT 2984 -280 Left 2 !* Pulse config\n.param Ri=50\n.param Us=1500\n.param Ua=0
TEXT -88 -1120 Left 5 ;Simulation command
TEXT 5008 -448 Left 4 ;Förstärkning i dB
TEXT 3464 280 Left 2 ;In-Impedans
TEXT 4744 968 Left 2 ;Ut-Impedans
TEXT 3600 -496 Left 2 ;Dämparens komponenter
RECTANGLE Normal 512 -944 -112 -1152 2
RECTANGLE Normal 4704 208 3584 -512 2