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AD9689-2000EBZ Datasheet(PDF) 43 Page - Analog Devices |
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AD9689-2000EBZ Datasheet(HTML) 43 Page - Analog Devices |
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43 / 134 page  Data Sheet AD9689 Rev. A | Page 43 of 134 Table 14. I Coefficient Table (Device Selection = 0x1)1 Addr. Single 24-Tap Filter (I Mode [2:0] = 0x1) Single 48-Tap Filter (I Mode [2:0] = 0x2) Two Cascaded 24-Tap Filters (I Mode [2:0] = 0x4) Full Complex 24-Tap Filters (I Mode [2:0] = 0x5 and Q Mode [2:0] = 0x5) Half Complex 48-Tap Filters (I Mode [2:0] = 0x6 and Q Mode [2:0] = 0x2)2 I Path 96-Tap Filter (I Mode[2:0] = 0x7 and Q Mode [2:0] = 0x0)3 Q Path 96-Tap Filter (I Mode [2:0] = 0x0 and Q Mode [2:0] = 0x7)3 0x0E00 XI C0 [7:0] XI C0 [7:0] XI C0 [7:0] XI C0 [7:0] XI C0 [7:0] XI C0 [7:0] XQ C48 [7:0] 0x0E01 XI C0 [15:8] XI C0 [15:8] XI C0 [15:8] XI C0 [15:8] XI C0 [15:8] XI C0 [15:8] XQ C48 [15:8] 0x0E02 XI C1 [7:0] XI C1 [7:0] XI C1 [7:0] XI C1 [7:0] XI C1 [7:0] XI C1 [7:0] XQ C49 [7:0] 0x0E03 XI C1 [15:8] XI C1 [15:8] XI C1 [15:8] XI C1 [15:8] XI C1 [15:8] XI C1 [15:8] XQ C49 [15:8] … … … … … … … … 0x0E2E XI C23 [7:0] XI C23 [7:0] XI C23 [7:0] XI C23 [7:0] XI C23 [7:0] XI C23 [7:0] XQ C71 [7:0] 0x0E2F XI C23 [15:0] XI C23 [15:0] XI C23 [15:0] XI C23 [15:0] XI C23 [15:0] XI C23 [15:0] XQ C71 [15:0] 0x0F00 Unused YI C24 [7:0] YI C0 [7:0] YI C0 [7:0] YI C24 [7:0] YI C24 [7:0] YQ C72 [7:0] 0x0F01 Unused YI C24 [15:8] YI C0 [15:8] YI C0 [15:8] YI C24 [15:8] YI C24 [15:8] YQ C72 [15:8] 0x0F02 Unused YI C25 [7:0] YI C1 [7:0] YI C1 [7:0] YI C25 [7:0] YI C25 [7:0] YQ C73 [7:0] 0x0F03 Unused YI C25 [15:8] YI C1 [15:8] YI C1 [15:8] YI C25 [15:8] YI C25 [15:8] YQ C73 [15:8] … … … … … … … … 0x0F2E Unused YI C47 [7:0] YI C23 [7:0] YI C23 [7:0] YI C47 [7:0] YI C47 [7:0] YQ C95 [7:0] 0x0F2F Unused YI C47 [15:0] YI C23 [15:0] YI C23 [15:0] YI C47 [15:0] YI C47 [15:0] YQ C95 [15:0] 0x0F30 Unused Unused Unused Unused I path tapped delay Unused Unused 0: 0 tapped delay (matches C0 in the filter) 1: 1 tapped delays … 47: 47 tapped delays 1 XI Cn means I Path X Coefficient n. YI Cn means I Path Y Coefficient n. 2 When using the I path in half-complex 48-tap filter mode, the Q path must be in single 48-tap filter mode. 3 When using the I path in 96-tap filter mode, the Q path must be in bypass mode. Table 15. Q Coefficient Table (Device Selection = 0x2)1 Addr. Single 24-Tap Filter (Q Mode [2:0] = 0x1) Single 48-Tap Filter (Q Mode [2:0] = 0x2) Two Cascaded 24-Tap Filters (Q Mode [2:0] = 0x4) Full Complex 24-Tap Filters (Q Mode [2:0] = 0x5 and I Mode [2:0] = 0x5) Half Complex 48-Tap Filters (Q Mode [2:0] = 0x6 and I Mode [2:0] = 0x2)2 I Path 96-Tap Filter (Q Mode [2:0] = 0x0 and I Mode [2:0] = 0x7)3 Q Path 96-Tap Filter (Q Mode [2:0] = 0x7 and I Mode [2:0] = 0x0)3 0x0E00 XQ C0 [7:0] XQ C0 [7:0] XQ C0 [7:0] XQ C0 [7:0] XQ C0 [7:0] XI C48 [7:0] XQ C0 [7:0] 0x0E01 XQ C0 [15:8] XQ C0 [15:8] XQ C0 [15:8] XQ C0 [15:8] XQ C0 [15:8] XI C48 [15:8] XQ C0 [15:8] 0x0E02 XQ C1 [7:0] XQ C1 [7:0] XQ C1 [7:0] XQ C1 [7:0] XQ C1 [7:0] XI C49 [7:0] XQ C1 [7:0] 0x0E03 XQ C1 [15:8] XQ C1 [15:8] XQ C1 [15:8] XQ C1 [15:8] XQ C1 [15:8] XI C49 [15:8] XQ C1 [15:8] … … … … … … … … 0x0E2E XQ C23 [7:0] XQ C23 [7:0] XQ C23 [7:0] XQ C23 [7:0] XQ C23 [7:0] XI C71 [7:0] XQ C23 [7:0] 0x0E2F XQ C23 [15:0] XQ C23 [15:0] XQ C23 [15:0] XQ C23 [15:0] XQ C23 [15:0] XI C71 [15:0] XQ C23 [15:0] 0x0F00 Unused YQ C24 [7:0] YQ C0 [7:0] YQ C0 [7:0] YQ C24 [7:0] YI C72 [7:0] YQ C24 [7:0] 0x0F01 Unused YQ C24 [15:8] YQ C0 [15:8] YQ C0 [15:8] YQ C24 [15:8] YI C72 [15:8] YQ C24 [15:8] 0x0F02 Unused YQ C25 [7:0] YQ C1 [7:0] YQ C1 [7:0] YQ C25 [7:0] YI C73 [7:0] YQ C25 [7:0] 0x0F03 Unused YQ C25 [15:8] YQ C1 [15:8] YQ C1 [15:8] YQ C25 [15:8] YI C73 [15:8] YQ C25 [15:8] … … … … … … … … 0x0F2E Unused YQ C47 [7:0] YQ C23 [7:0] YQ C23 [7:0] YQ C47 [7:0] YI C95 [7:0] YQ C47 [7:0] 0x0F2F Unused YQ C47 [15:0] YQ C23 [15:0] YQ C23 [15:0] YQ C47 [15:0] YI C95 [15:0] YQ C47 [15:0] 0x0F30 Unused Unused Unused Unused Q path tapped delay Unused Unused 0: 0 tapped delay (matches C0 in the filter) 1: 1 tapped delays … 47: 47 tapped delays 1 XQ Cn means Q Path X Coefficient n. YQ Cn means Q Path Y Coefficient n. 2 When using the I path in half complex, 48-tap filter mode, the Q path must be in single 48-tap filter mode. 3 When using the I path in 96-tap filter mode, the Q path must be in bypass mode. |
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