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An93 – Silicon Laboratories SI2493/57/34/15/04 User Manual

Page 99

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AN93

Rev. 1.3

99

Table 50. BPF Biquad Values

BPF Biquad

Values

Stage 1

Stage 2

Stage 3

Stage 4

Output Scalar

310/510 (Default Busy and Dial Tone)

A0

0x0800

0x00A0

0x00A0

0x0400

B1

0x0000

0x6EF1

0x78B0

0x70D2

B2

0x0000

0xC4F4

0xC305

0xC830

A2

0x0000

0xC000

0x4000

0x4000

A1

0x0000

0x0000

0xB50A

0x80E2

K

0x0009

300/480

A0

0x0800

0x01A0

0x01A0

0x03A0

B1

0x0000

0x6E79

0x7905

0x7061

B2

0x0000

0xC548

0xC311

0xC8EF

A2

0x0000

0xC000

0x4000

0x4000

A1

0x0000

0x0000

0xA7BE

0x8128

K

0x0009

320/630

A0

0x0078

0x0210

0x0330

0x0330

B1

0x67EF

0x79E0

0x68C0

0x7235

B2

0xC4FA

0xC252

0xCB6C

0xC821

A2

0x4000

0x4000

0x4000

0x4000

A1

0x0214

0x8052

0xB1DC

0x815C

K

0x0008

325/550

A0

0x0100

0x0600

0x0600

0x0600

B1

0x71CC

0x78EF

0x69B9

0x68F7

B2

0xC777

0xC245

0xC9E4

0xC451

A2

0x4000

0x4000

0x4000

0x4000

A1

0x81C2

0x806E

0xAFE9

0xFCA6

K

0x0009

100/550

A0

0x0800

0x01C0

0x01C0

0x01C0

B1

0x7DAF

0x5629

0x7E3F

0x6151

B2

0xC1D5

0xCF51

0xC18A

0xDC9B

A2

0x4000

0xC000

0x4000

0x4000

A1

0x8000

0x0000

0xB96A

0x8019

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