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GS2974ACTE3 데이터시트(PDF) 7 Page - Gennum Corporation |
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GS2974ACTE3 데이터시트(HTML) 7 Page - Gennum Corporation |
7 / 16 page GS2974A HD-LINX™ III Adaptive Cable Equalizer Data Sheet 42216 - 3 January 2009 7 of 16 2.3 AC Electrical Characteristics Table 2-2: AC Electrical Characteristics VCC = 3.3V ±5%, TA = 0°C to 70°C, unless otherwise shown Parameter Symbol Conditions Min Typ Max Units Notes Serial input data rate DRSDO – 143 – 2970 Mb/s – Input Voltage Swing ΔV SDI TA =25°C, differential, 270Mb/s and 1.485Gb/s 720 800 950 mVp-p 1 TA =25°C, differential, 2.97Gb/s 720 800 880 mVp-p 1 Output Voltage Swing ΔV SDO 100Ω load, TA =25°C, differential 600 750 1050 mVp-p – Output Jitter of Various Cable Lengths and Data Rates – 270Mb/s Belden 1694A: 0-300m –– 0.2 UI 2,5 – 270Mb/s Belden 1694A: 300-350m – 0.2 – UI 4,5 – 1.485Gb/s Belden 1694A: 0-140m – 0.25 UI 2,5 – 1.485Gb/s Belden 1694A: 140-200m – 0.3 – UI 4,5 –2.97Gb/s Belden 1694A: 0-70m –– 0.3 UI 2,5 –2.97Gb/s Belden 1694A: 70-120m – 0.3 – UI 4,5 Output Rise/Fall time – 20% - 80% 40 80 220 ps – Mismatch in rise/fall time – – – – 30 ps – Duty cycle distortion – – – – 30 ps – Overshoot – – – – 10 % – Input Return Loss – – 15 21 – dB 3 Input Resistance – single ended – 1.52 – kΩ – Input Capacitance – single ended – 1 – pF – Output Resistance – single ended – 50 – Ω – NOTES: 1. 0m cable length. 2. All parts were production tested. In order to guarantee jitter over the full range of specification (VCC = 3.3V ±5%, TA = 0°C to 70°C, and 720-880mV launch swing from the SDI cable driver) the recommended applications circuit must be used. 3. Tested on CB2974A board from 5MHz to 3GHz. 4. Based on characterization data using the recommended applications circuit, at VCC = 3.3V, TA = 25°C and 800mV launch swing from the SDI cable driver 5. Equalizer Pathological test signal was used. |
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