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IIR2TD2.asc
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Version 4
SHEET 1 1632 700
WIRE 368 144 352 144
WIRE 352 176 352 144
WIRE 80 272 64 272
WIRE 208 352 16 352
WIRE 320 352 304 352
WIRE 640 352 528 352
WIRE 752 352 736 352
WIRE 16 384 16 352
WIRE 176 384 144 384
WIRE 208 384 176 384
WIRE 528 384 528 352
WIRE 640 384 608 384
WIRE 176 544 176 384
WIRE 608 544 608 384
WIRE 608 544 176 544
FLAG 16 464 0
FLAG 64 272 xn
IOPIN 64 272 In
FLAG 320 352 wn-1
FLAG 752 352 wn-2
FLAG 144 384 Clk
IOPIN 144 384 In
FLAG 528 464 0
FLAG 352 256 0
FLAG 368 144 yn
IOPIN 368 144 Out
SYMBOL Z-1 256 368 R0
SYMATTR InstName X1
SYMBOL Z-1 688 368 R0
SYMATTR InstName X2
SYMBOL bv 16 368 R0
WINDOW 3 -147 129 Left 2
SYMATTR Value V=v(xn)*a2 + v(yn)*-b2
SYMATTR InstName B1
SYMBOL bv 528 368 R0
WINDOW 3 -313 134 Left 2
SYMATTR Value V=v(xn)*a1 + v(wn-1) + v(yn)*-b1
SYMATTR InstName B2
SYMBOL bv 352 160 R0
WINDOW 3 24 89 Left 2
SYMATTR Value V=v(xn)*a0 + v(wn-2)
SYMATTR InstName B3
TEXT -96 536 Left 2 !.param a0=0 a1=0 a2=0
TEXT -96 560 Left 2 !.param b1=0 b2=0
TEXT 184 96 Left 2 ;Biquad Transposed Direct form 2