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ADCA3270ACEZ-R7 数据表(PDF) 8 Page - Analog Devices |
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ADCA3270ACEZ-R7 数据表(HTML) 8 Page - Analog Devices |
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8 / 14 page ![]() ADCA3270 Data Sheet Rev. 0 | Page 8 of 14 9 dB TILT PERFORMANCE 9 dB extrapolated tilt and 190 digital channels (QAM256, ITU-T J.83, Annex B). 70 30 40 35 45 55 65 50 60 69 70 71 73 72 75 74 76 TOTAL COMPOSITE OUTPUT POWER (dBmV) 57MHz 111MHz 501MHz 999MHz 1215MHz Figure 7. MER RMS vs. Total Composite Output Power at Various Frequencies, 35°C, 9 dB Tilt 70 30 40 35 45 55 65 50 60 69 70 71 73 72 75 74 76 TOTAL COMPOSITE OUTPUT POWER (dBmV) +85°C +35°C –30°C Figure 8. MER RMS vs. Total Composite Output Power at Various Temperatures, 57 MHz, 9 dB Tilt 1×10–2 1×10–10 1×10–8 1×10–9 1×10–7 1×10–5 1×10–3 1×10–6 1×10–4 69 70 71 73 72 75 74 78 77 76 TOTAL COMPOSITE OUTPUT POWER (dBmV) 57MHz 111MHz 501MHz 999MHz 1215MHz Figure 9. PreViterbi BER vs. Total Composite Output Power at Various Frequencies, 35°C, 9 dB Tilt 69 70 71 73 72 75 74 78 77 76 TOTAL COMPOSITE OUTPUT POWER (dBmV) –30°C +35°C +85°C 1×10–2 1×10–10 1×10–8 1×10–9 1×10–7 1×10–5 1×10–3 1×10–6 1×10–4 Figure 10. PreViterbi BER vs. Total Composite Output Power at Various Temperatures, 57 MHz, 9 dB Tilt |
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