Digital cable modulator

QUAD, QPSK to QAM Transmodulator

Professional Frequency Agile Digital QAM 64/256 Modulator with DVB-ASI In and QAM Annex B RF Out. Fully Meets or Exceeds All Industry (ITU) Standards. Supports Channels 2–69. Setup via Front Panel LCD. Enables Cable System Operators to Transmit Multiple Streams to their Digital Networks.

System Features:

• Input: ASI transport stream
• Excellent RF output
• Advanced coding as ITU-T (J.83) Annex B or optional Annex C
• Cost effective with simple set-up and operation
• Supports PCR re-stamping function
• User adjustable output level and frequency
• Front panel controls
• QAM Modulation setting (64, 256 QAM)
• PCR Jitter: ≤ ± 200 ns
• Group Delay as ± 20 ns
• MER After Equalizer: 42 dB
• Phase Noise: VHF -105 [email protected] KHz, UHF -103 [email protected] KHz
• Frequency: 54 ~ 870 MHz
• Output Level: 50±5 dBmV
• Spurious output: ≤ -63 dB
• AQM ASI compatible

Applications:

• Cable and CATV over coax
• Schools and hotels over coax