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AD9548/PCBZ датащи(PDF) 86 Page - Analog Devices |
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AD9548/PCBZ датащи(HTML) 86 Page - Analog Devices |
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86 / 112 page ![]() AD9548 Rev. 0 | Page 86 of 112 Table 90. Tolerance—Profile 1 Address Bits Bit Name Description 063A [7:0] Inner tolerance Inner tolerance, Bits[7:0] 063B [7:0] Inner tolerance, Bits[15:8] 063C [7:4] Unused [3:0] Inner tolerance Inner tolerance, Bits[19:16] 063D [7:0] Outer tolerance Outer tolerance, Bits[7:0] 063E [7:0] Outer tolerance, Bits[15:8] 063F [7:4] Unused [3:0] Outer tolerance Outer tolerance, Bits[19:16] Table 91. Validation Timer—Profile 1 Address Bits Bit Name Description 0640 [7:0] Validation timer (in milliseconds) Validation timer, Bits[7:0] 0641 [7:0] Validation timer, Bits[15:8] Table 92. Redetect Timer—Profile 1 Address Bits Bit Name Description 0642 [7:0] Redetect timer (in milliseconds) Redetect timer, Bits[7:0] 0643 [7:0] Redetect timer, Bits[15:8] Table 93. Digital Loop Filter Coefficients—Profile 11 Address Bits Bit Name Description 0644 [7:0] Alpha-0 linear Alpha-0 coefficient linear, Bits[7:0] 0645 [7:0] Alpha-0 coefficient linear, Bits[15:8] 0646 [7:6] Alpha-2 exponent Alpha-2 coefficient exponent, Bits[1:0] [5:0] Alpha-1 exponent Alpha-1 coefficient exponent, Bits[5:0] 0647 [7:1] Beta -0 linear Beta-0 coefficient linear, Bits[6:0] [0] Alpha-2 exponent Alpha-2 coefficient exponent, Bit 2 0648 [7:0] Beta-0 linear Beta-0 coefficient linear, Bits[14:7] 0649 [7] Unused [6:2] Beta-1 exponent Beta-1 coefficient exponent, Bits[4:0] [1:0] Beta-0 linear Beta-0 coefficient linear, Bits[16:15] 064A [7:0] Gamma-0 linear Gamma-0 coefficient linear, Bits[7:0] 064B [7:0] Gamma-0 coefficient linear, Bits[15:8] 064C [7:6] Unused [5:1] Gamma-1 exponent Gamma-1 coefficient exponent, Bits[4:0] [0] Gamma-0 linear Gamma-0 coefficient linear, Bit 16 064D [7:0] Delta-0 linear Delta-0 coefficient linear, Bits[7:0] 064E [7] Delta-1 exponent Delta-1 coefficient exponent, Bit 0 [6:0] Delta-0 linear Delta-0 coefficient linear, Bits[14:8] 064F [7:4] Alpha-3 exponent Alpha-3 coefficient exponent, Bits[3:0] [3:0] Delta-1 exponent Delta-1 coefficient exponent, Bits[4:1] 1 The digital loop filter coefficients (α, β, γ, and δ) have the general form: x(2y), where x is the linear component and y is the exponential component of the coefficient. The value of the linear component (x) constitutes a fraction, where 0 ≤ x < 1. The exponential component (y) is an integer. See the Calculating Digital Filter Coefficients section for details. |
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