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ADN2848ACP-32-RL7 Arkusz danych(PDF) 8 Page - Analog Devices |
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ADN2848ACP-32-RL7 Arkusz danych(HTML) 8 Page - Analog Devices |
8 / 12 page REV. 0 –8– ADN2848 Figure 8. A 1.244 Mbps Optical Eye. Temperature at 25 C. Average Power = 0 dBm, Extinction Ratio = 10 dB, PRBS 31 Pattern, 1 Gb Ethernet Mask. Eye Obtained Using a DFB Laser. Figure 9. A 1.244 Mbps Optical Eye. Temperature at 85 C. Average Power = 0 dBm, Extinction Ratio = 10 dBm, PRBS 31 Pattern, 1 Gb Ethernet Mask. Eye Obtained Using a DFB Laser. ADN2848 CLKN CLKP GND1 DATAP DATAN VCC1 PAVCAP ERCAP VCC2 IMODN GND2 IMODP GND2 GND2 IBIAS CCBIAS ALS FAIL DEGRADE CLKN CLKP DATAP DATAN 1.5k 18 24 17 25 32 16 9 MPD LD VCC VCC 10nF 10nF 10nF 10nF 10 F GND VCCs SHOULD HAVE BYPASS CAPACITORS AS CLOSE AS POSSIBLE TO THE ACTUAL SUPPLY PINS ON THE ADN2848 AND THE LASER DIODE USED. CONSERVATIVE DECOUPLING WOULD INCLUDE 100pF CAPACITORS IN PARALLEL WITH 10nF CAPACITORS. LD = LASER DIODE MPD = MONITOR PHOTODIODE VCC * 1k 1.5k 1.5k 10nF 10nF 10nF 10nF 1 F 1 F NOTES * DESIGNATES COMPONENTS THAT NEED TO BE OPTIMIZED FOR THE TYPE OF LASER USED. ** FOR DIGITAL PROGRAMMING,THE ADN2850 OR THE ADN2860 OPTICAL SUPERVISOR CAN BE USED. 10 H * * * * * * * * ** ** * Figure 7. AC-Coupled 50 Mbps to 1.25 Gbps Test Circuit, Data Not Clocked |
Podobny numer części - ADN2848ACP-32-RL7 |
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Podobny opis - ADN2848ACP-32-RL7 |
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