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XRT75R12 Datasheet(PDF) 27 Page - Exar Corporation |
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XRT75R12 Datasheet(HTML) 27 Page - Exar Corporation |
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27 / 89 page  PRELIMINARY XRT75R12 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR REV. P1.0.2 24 3.5.4 Interference Tolerance For E3 mode, ITU-T G.703 Recommendation specifies that the receiver be able to recover error free clock and data in the presence of a sinusoidal interfering tone signal. For DS3 and STS-1 modes, the same recommendation is being used. Figure 10 shows the configuration to test the interference margin for DS3/ STS1. Figure 11 shows the set up for E3. FIGURE 10. INTERFERENCE MARGIN TEST SET UP FOR DS3/STS-1 FIGURE 11. INTERFERENCE MARGIN TEST SET UP FOR E3. Sine Wave Generator Pattern Generator 2 23 -1 PRBS N S Attenuator ∑ Test Equipment DUT XRT75R12 DS3 = 22.368 MHz STS-1 = 25.92 MHz Cable Simulator Attenuator 1 N S Sine Wave Generator 17.184mHz Signal Source 223-1 PRBS Attenuator 2 ∑ Test Equipment DUT XRT75R12 Cable Simulator |
Similar Part No. - XRT75R12 |
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Similar Description - XRT75R12 |
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