JDS Uniphase Wavetek DSAM-3500B, Быстрый старт

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Appendix A Specifications
DSAM Product Family Specifications
DSAM Product Family Quick-Start Guide Rev. 001 59
EVM (Error Vector
Magnitude)
Range 64 QAM: 0.4% to 5.8%
magnitude
Accuracy: ± 0.5% (0.9% to 2.0%)
± 1.0% (2.1% to 4.0%)
± 1.4% (4.1% to 5.8%)
Range 128/256 QAM: 0.4% to 2.4%
Accuracy: ± 0.6%
Symbol Rate Annex A, 5.057 to 6.952 MSPS for 64,
128, and 256 QAM
Annex B, 5.057 MSPS for 64 QAM and
5.361 MSPS for 256 QAM
Annex C, 5.274 MSPS for 64 QAM, and
5.361 MSPS for 256 QAM
Upstream Spectrum (Ingress Scan)
Spans 4 to 42 MHz, 4 to 65 MHz, 4 to 85 MHz
Sweep Rate Less than 2 seconds
Display Scaling and Range 1, 2, 5 and 10 dB/division;
6 vertical divisions
Resolution Bandwidth 280 kHz
Sensitivity
a
-45 to +60 dBmV (typical)
Table 8 Product Specifications (Continued)
Item Description