Click image to view larger

DekTec Twelve-Channel QAM Receiver for PCI Express

DTA-2139
  • Twelve independent QAM receivers
  • Full TS available from each receiver
  • RF loop-through port for easy cascading

Sencore is the preferred distributor of DekTec in North America.

  • High-density QAM-A/B/C receiver card with twelve independent receivers
  • Application have access to the complete Transport Stream for each channel
  • RF signal is available on a loop-through output that can be connected to another DTA-2139. By cascading multiple DTA-2139s, a complete QAM network can be monitored
  • Each channel provides reception status, RF level, demodulation status, constellation, SNR and post-FEC BER
  • Free Windows and Linux SDK (DTAPI) is fully compatible with other DekTec digital-television adapters
  • PCI Express x4, full height, short length
  • Testing, validation of edge-QAM systems
  • Monitoring of cable networks with DekTec’s Xpect software

KEY ATTRIBUTES
RF input: 75-Ω “F” female
Return loss: >10dB
Loop-through connector: 75-Ω “F” female
Loop-through attenuation: <2dB
Tuning range: 54 .. 1002MHz
Input sensitivity: -55 .. -30dBm
Symbol rate: 5.0 .. 7.1MBd
Descrambling: Not supported
Metrology: RF level, MER, BER Constellation points
PCI-Express label: V1.1; PCIe x4

MODULATION STANDARDS
QAM-A (DVB-C)*: EN 300 429
QAM-B: ITU J.83 Annex B
QAM-C: ITU J.83 Annex C

* QAM-128 is not supported.

ORDERING INFORMATION
DTA-2139-DP: Twelve-channel QAM receiver for PCI Express bus with DtTV and DtGrabber+
DTA-2139-SX: DTA-2139-DP bundled with StreamXpert TS analyzer

 

Datasheet