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Motorola DSP96002 User Manual

Page 549

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B-30

DSP96002 USER’S MANUAL

MOTOROLA

B.1.18

All Pole IIR Lattice Filter

ALL POLE IIR LATTICE FILTER

A

(in)

A

(out)

k2 k1

-k

-k2

-k1

S3 S2 S1

Coefficient And State Variable Storage

R0 R4

x: k1 k2 k3 y: s3 s2 s1

M0=2 (mod 3) M4=2 (mod 3)

SINGLE SECTION

EQUATIONS:

t t’

k t’=t-k*s

s’=s+k*t’

t’

t

-k

S’ S

Z

-1

Z

-1

Z

-1

Z

-1