Wavetek 147 Specifikace stáhnout pdf (Strana 374)

Specifications

350

B

EVM (Error Vector Magnitude):

64 QAM / Option 4A: 1.2% - 5.2%

Accuracy: ± 0.5% (1.2% - 2.0%)

± 1.0% (2.1% - 4.0%)

± 1.4% (4.1% - 5.2%)

64 QAM / Option 4B: 1.2% - 5.8%

Accuracy: ± 0.5% (1.2% - 2.5%)

± 1.1% (2.6% - 5.8%)

256 QAM / Option 4A: 1.1% - 2.5%

Accuracy: ± 0.6%

256 QAM / Option 4B: 1.1% - 2.5%

Accuracy: ± 0.5%

BER (Bit Error Rate):

64 QAM Pre-FEC

Options 4A and 4B: 10

-4

- 10

-9

64 QAM Post-FEC

Options 4A and 4B: 10

-4

- 10

-9

256 QAM Pre-FEC

Option 4A: 10

-4

- 10

-6

256 QAM Post-FEC

Option 4A: 10

-4

- 10

-9

256 QAM Pre-FEC

Option 4B: 10

-4

- 10

-8

256 QAM Post-FEC

Option 4B: 10

-4

- 10

-9

Measurable QAM Ingress:

64 QAM -25 to -40 dBc

256 QAM -30 to -40 dBc

Accuracy: ±3.0 dB

Channel Bandwidth:

Option 4A 8 MHz

Option 4B 6 MHz

1 2 ... 369 370 371 372 373 374 375 376 377 378 379 ... 409 410

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