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TDA8263HN Datasheet(PDF) 10 Page - NXP Semiconductors |
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TDA8263HN Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 28 page 9397 750 13193 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 01 — 14 December 2004 10 of 28 Philips Semiconductors TDA8263HN Fully integrated satellite tuner 00100 4 0.36 00101 5 0.36 00110 6 0.38 00111 7 0.40 01000 8 0.42 01001 9 0.43 01010 10 0.44 01011 11 0.45 01100 12 0.46 01101 13 0.47 01110 14 0.50 01111 15 0.54 10000 16 0.55 10001 17 0.56 10010 18 0.58 10011 19 0.60 10100 20 0.63 10101 21 0.64 10110 22 0.67 10111 23 0.70 11000 24 0.75 11001 25 0.78 11010 26 0.88 11011 27 0.88 11100 28 0.88 11101 29 0.88 11110 30 0.88 11111 31 0.88 Table 12: Main divider range; bits N[14:0] These bits control the ratio between the LO frequency and the comparison frequency. N[14:0] Ratio Binary value The ratio N is equal to N14 × 214 + N13 × 213 + ...N1 × 21 +N0 Table 13: Selects manual or automatic LC oscillator calibration; bit CALMANUAL This bit controls the LC VCO frequency programming mode. CALMANUAL Action 0 automatic process control; the LC VCO searches the better ratio of the Dword to have the optimum tuning frequency 1 manual process control; the LC VCO is tuned by selecting the programmed Dword Table 11: VCO preprogramming range; bits D[4:0] …continued These bits are also called Dword: It determines the ratio between LO frequency and VCO frequency. The bits are used for the calibration protocol of the internal VCO. D4 D3 D2 D1 D0 Decimal Ratio fLO to fVCO |
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