Blonder Tongue QTM-HD-4 QAM Transcoder Module

QTM-HD-4 - Overview

• Features:

  • Supports QPSK/8PSK inputs (DVB-S, DVB-S2, Turbo FEC)
  • Equipped with an integrated satellite switch that allows operator to select inputs from 4 different satellites
  • Supports ITU-T J.83 Annex A and Annex B QAM output (QAM 16, 32, 64, 128, 256)
  • Can be deployed with QTM-HD-Plus (stock 6242) for applications requiring QAM 512/1024 modulation
  • Compact design allows for deployment of 4 units (16 transcoders), including the power & control module, in 3RU
  • GUI-based menu, including SNMP-based management, provides remote monitoring/control capabilities
  • 4x 8 MHz-wide QAM channel optional software is available
   

• Specifications:

  • Input
  • Connector: 4x "F" Female
  • Standards: QPSK & 8PSK (DVB-S, DVB-S2, DCII, LDPC/BCH, & Turbo FEC)
    
    Symbol Rate
  • DVB-S: Variable; 1 to 45 MSymbols/sec (Mbaud)
  • DVB-S2: Variable; 5 to 33 MSymbols/sec (Mbaud)
  • 8PSK Turbo: Variable; 2 to 30 MSymbols/sec (Mbaud)
  • Frequency Range: 950 to 2150 MHz
  • Frequency Granularity: 1 MHz
  • Bandwidth: Variable, up to 36 MHz
  • Capture Range: ±5 MHz
    
    Code Rate
  • DVB-S: Auto Detect; 1/2, 2/3, 3/4, 5/6, 7/8, DC II
  • DVB-S2 (QPSK): Auto Detect; 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
  • DVB-S2 (8PSK): Auto Detect; 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
  • Turbo FEC (QPSK): Auto Detect; 1/2, 2/3, 3/4, 5/6, 7/8
  • Turbo FEC (8PSK): Auto Detect; 2/3, 3/4, 5/6, 8/9
  • Forward Error Correction (FEC): DVB / DigiCiper II
  • Input Level: -65 to -20 dBm
  • Impedance: 75Ω
  • Return Loss: Greater than 9 dB
    
    Output
  • Connector: 1x "F" Female (4x RF QAM channels combined)
  • Modulation: QAM 16, 32, 64, 128, and 256
  • Standard: ITU-T J.83; Annex A and B
  • DVB Symbol Rate: Variable; up to 7 MSymbol/sec (MBaud)
  • Frequency Range: 54 to 864 MHz
  • Tuning:CATV Channel Selectable (CH. 2 to 135)
  • Channels' Bandwidth: 4x 6 MHz in any 42 MHz-wide spectrum
  • RF Level: +40 dBmV ±1 dB (100 dBæV ±1 dB)
  • RF Level Adjustment Range: +30 to +42 dBmV, 1 dB increment
  • Frequency Tolerance: ± 0.5 kHz @ 77°F (25° C)
  • Frequency Stability: ± 5 kHz over 32° to 122° F (0 to 50° C)
  • Amplitude Flatness: ± 0.25 dB (over 6 MHz channel)
  • Phase Noise: -95 dBc (@ 10 kHz)
  • Spurious: -60 dBc
  • Broadband Noise: -70 dBc (@ +40 dBmV output level, 5.5 MHz bandwidth)
  • Impedance: 75Ω
  • Carrier Suppression: 45 dB
  • Return Loss: 14 dB typical
  • Signal-to-Noise Ratio (SNR): Greater than 40 dB typical
  • MER: Greater than 39 dB typical
  • I/Q Phase Error: Less than 1 degree
  • I/Q Amplitude Imbalance: Less than 1%
    
    Weight/Dimensions
  • Dimensions:(W x D x H)3.0 x 10.6 x 5.25 inches
  • weight: 1.7lbs