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Rohde & Schwarz USA, Inc. - CLGD
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Multichannel Signal DOCSIS Cable Load Generator

Model: CLGD
  • Frequency range in downstream: 47 to 1218MHz (extendable to 1794MHz)
  • Frequency range in upstream: 5 to 204MHz
  • DOCSIS 3.1, DOCSIS 3.0, J.83/A/B/C and analog TV
  • Up to six times 192 MHz signal bandwidth for DOCSIS 3.1
  • ARB generator bandwidth up to 200 MHz
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The R&S®CLGD is a multichannel signal generator for simulating a cable TV network with full channel loading. It generates broadband data signals for DOCSIS 3.1 as well as digital and analog TV channels. In the downstream or upstream, signals can be freely combined, allowing users to simulate any conceivable channel loading scenario in the lab.

The R&S®CLGD is the first generator that simultaneously produces signals for DOCSIS 3.1, DOCSIS 3.0, digital cable TV in line with J.83/A/B/C and analog cable TV. Its downstream frequency range is 47 MHz to 1002 MHz for TV and 47 MHz to 1794 MHz for DOCSIS 3.1. Within this range, the R&S®CLGD generates multiple DOCSIS 3.1 channels with up to 192 MHz bandwidth each. The level, frequency, forward error correction (FEC) and constellation of these channels can be set independently. At the same time, the R&S®CLGD produces a large number of digital and analog TV signals that can be placed anywhere below or between the DOCSIS 3.1 signals. The DOCSIS 3.1 channels and digital TV channels are implemented in real-time. The data to be transmitted can be fed in via IP or internally generated by the R&S®CLGD. The upstream frequency range is from 5 to 204MHz. Within this range, DOCSIS 3.1 orthogonal frequency division multiple access (OFDMA) signals can be freely combined with DOCSIS 3.0 TDMA or CDMA signals.

  • Frequency range in downstream: 47 to 1218MHz (extendable to 1794MHz)
  • Frequency range in upstream: 5 to 204MHz
  • DOCSIS 3.1, DOCSIS 3.0, J.83/A/B/C and analog TV
  • Up to six times 192 MHz signal bandwidth for DOCSIS 3.1
  • ARB generator bandwidth up to 200 MHz
 
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