71 lines
1.6 KiB
Plaintext
71 lines
1.6 KiB
Plaintext
Version 4
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SHEET 1 1060 680
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WIRE -960 -128 -1024 -128
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WIRE -864 -128 -896 -128
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WIRE -768 -128 -864 -128
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WIRE -448 -128 -720 -128
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WIRE -368 -128 -448 -128
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WIRE -720 -96 -720 -128
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WIRE -368 -96 -368 -128
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WIRE -768 -80 -768 -128
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WIRE -368 0 -368 -16
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WIRE -768 16 -768 -32
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WIRE -720 16 -720 -16
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WIRE -448 32 -448 -128
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WIRE 48 48 -128 48
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WIRE 80 48 48 48
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WIRE 112 48 80 48
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WIRE 240 48 176 48
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WIRE 48 112 48 48
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WIRE -448 144 -448 112
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WIRE -176 144 -448 144
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WIRE -128 176 -128 48
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WIRE -448 192 -448 144
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WIRE -176 192 -176 144
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WIRE 48 224 48 192
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WIRE -176 272 -176 240
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WIRE -448 304 -448 256
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WIRE -128 304 -128 256
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FLAG -720 16 0
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FLAG -768 16 0
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FLAG -368 0 0
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FLAG -448 304 0
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FLAG 48 224 0
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FLAG -128 304 0
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FLAG -176 272 0
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FLAG -864 -128 1
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FLAG 80 48 2
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SYMBOL g -720 -112 R0
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SYMATTR InstName G1
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SYMATTR Value {2/R1}
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SYMBOL res -384 -112 R0
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SYMATTR InstName R2
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SYMATTR Value {R1/2}
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SYMBOL res 32 96 R0
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SYMATTR InstName R4
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SYMATTR Value .1
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SYMBOL ind -464 16 R0
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WINDOW 0 49 27 Left 2
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WINDOW 3 44 58 Left 2
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WINDOW 123 44 86 Left 2
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SYMATTR InstName L1
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SYMATTR Value {L1}
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SYMATTR Value2 Rser={R1/2}
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SYMBOL cap -464 192 R0
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SYMATTR InstName C2
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SYMATTR Value {C1}
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SYMBOL g -128 160 R0
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SYMATTR InstName G4
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SYMATTR Value {10*H}
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SYMBOL Misc\\jumper -928 -192 M0
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SYMATTR InstName X1
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SYMBOL Misc\\jumper 144 -16 R0
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SYMATTR InstName X2
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TEXT 64 -376 Left 2 ;.param f0=1e3 Q=.5
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TEXT -896 -384 Left 2 ;2nd Order Low Pass LTSPICE implementation for f0, Q, fn, and Qn set by parameters >>>
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TEXT -800 -328 Left 2 !.param R1=1k
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TEXT -448 -328 Left 2 !.param L1 = R1*Q/(2*pi*f0)
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TEXT -448 -288 Left 2 !.param C1 = 1/(L1*(2*pi*f0)**2)
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TEXT -976 -144 Right 2 ;Vin
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TEXT 192 32 Left 2 ;Vout
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