ISD94100 Series Technical Reference Manual
Sep 9, 2019
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Rev1.09
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b0 = norm
b1 = -2 *b0
b2 = b0
a1 = 2*(TK^2-1)*norm
a2 = (1-TK/Q +TK^2) * norm
C. Second order bandpass filter coefficient
b0 = TK/Q *norm
b1 = 0
b2 = -b0
a1 = 2*(TK^2-1)*norm
a2 = (1-TK/Q +TK^2) * norm
D. Second order notch filter coefficient
b0 = (1+TK^2) *norm
b1 = 2 *(TK^2-1) *norm
b2 = b0
a1 = b1
a2 = (1-TK/Q +TK^2) * norm
E. Second order peaking boost EQ coefficient
b0 = (1+G/Q*TK+K^2) *norm
b1 = 2 *(TK^2-1) *norm
b2 = (1-G/Q*TK +TK2)*norm
a1 = b1
a2 = (1-TK/Q +TK^2) * norm
F. Second order peaking cut EQ coefficient
b0 = (1+1/Q*TK+TK^2) *norm
b1 = 2 *(TK^2-1) *norm
b2 = (1-1/Q*TK +TK2)*norm
a1 = b1
a2 = (1-G/Q*TK +TK^2) * norm
G. Fourth order splitter coefficient
Q = 0.707
b0_1 = TK^2 *norm