initial commit

examples/jigs/2ndOrderBandpass.asc

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+Version 4
+SHEET 1 1060 680
+WIRE -384 -128 -448 -128
+WIRE -288 -128 -320 -128
+WIRE -112 -128 -240 -128
+WIRE -64 -128 -112 -128
+WIRE 64 -128 16 -128
+WIRE 240 -128 64 -128
+WIRE 400 -128 288 -128
+WIRE 464 -128 400 -128
+WIRE 496 -128 464 -128
+WIRE 624 -128 560 -128
+WIRE -240 -96 -240 -128
+WIRE -288 -80 -288 -128
+WIRE -112 -64 -112 -128
+WIRE 64 -64 64 -128
+WIRE 288 -64 288 -128
+WIRE 400 -64 400 -128
+WIRE 240 -48 240 -128
+WIRE -288 0 -288 -32
+WIRE -240 16 -240 -16
+WIRE 240 32 240 0
+WIRE 288 32 288 16
+WIRE 400 32 400 16
+WIRE -112 48 -112 16
+WIRE 64 48 64 16
+FLAG 64 48 0
+FLAG -112 48 0
+FLAG -240 16 0
+FLAG -288 0 0
+FLAG 240 32 0
+FLAG 288 32 0
+FLAG 400 32 0
+FLAG 464 -128 2
+FLAG -288 -128 1
+SYMBOL ind 48 -80 R0
+WINDOW 0 59 45 Bottom 2
+WINDOW 3 61 50 Top 2
+WINDOW 123 102 107 Bottom 2
+SYMATTR InstName L1
+SYMATTR Value {L1}
+SYMATTR Value2 Cpar={C1}
+SYMBOL g -240 -112 R0
+SYMATTR InstName G1
+SYMATTR Value {2/R1}
+SYMBOL res -128 -80 R0
+SYMATTR InstName R1
+SYMATTR Value {R1/2}
+SYMBOL res 32 -144 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R2
+SYMATTR Value {R1/2}
+SYMBOL g 288 -80 R0
+SYMATTR InstName G2
+SYMATTR Value {10*H}
+SYMBOL res 384 -80 R0
+SYMATTR InstName R3
+SYMATTR Value .1
+SYMBOL Misc\\jumper 528 -192 R0
+SYMATTR InstName X1
+SYMBOL Misc\\jumper -352 -192 M0
+SYMATTR InstName X2
+TEXT 408 -256 Left 2 ;.param f0= 1k Q=.5
+TEXT 320 112 Left 2 !.param R1=1k
+TEXT 152 200 Left 2 !.param L1=1/(C1*(2*pi*f0)**2)
+TEXT -448 -256 Left 2 ;Most efficient LTSPICE implementation for f0 and Q set by parameters >>>
+TEXT 120 112 Left 2 ;R1 is arbitary >>>
+TEXT -328 -200 Left 2 ;This version puts 1/2 the R1 resistance in the capacitor
+TEXT 152 160 Left 2 !.param C1=Q/(R1*2*pi*f0)
+TEXT 576 -144 Left 2 ;Vout
+TEXT -400 -144 Right 2 ;Vin