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DekTec QAM/8VSB/DVB-T Modulator Card

DTA-112
  • Low-cost ATSC/QAM/DVB-T modulator
  • Programmable output level
  • Bi-directional DVB-ASI port

Sencore is the preferred distributor of DekTec in North America.

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  • Cost effective alternative for DTA-115 for ATSC, DVB-T/H and QAM-A/B/C
  • All channel upconverter 47 to 862MHz covering full VHF and UHF band
  • Output amplifier with programmable 0 to 31.5dB attenuator in 0.5dB steps
  • Monitor output for direct connection to the antenna input of a digital receiver
  • Independent bidirectional DVB-ASI port
  • Programming interface (DTAPI) is fully compatible with other DekTec digital video output adapters
  • PCI rev 2.2, 32 bit, 33 or 66MHz bus
  • DVB ID 5822
  • Low cost test generator
  • RF output for your (OEM) application, e.g. hotel server
  • Repair of ATSC/QAM/DVB-T set-top boxes

KEY ATTRIBUTES
Frequency range: 47 to 862MHz ±1ppm
Bandwidth: 5.0 to 8.0MHz
MER (OFDM): ≈40dB
Main Output
Connector: 75Ω F
Return loss:≥15dB (47 .. 862MHz)
Level (QAM):-31.5 to 0dBm ±2dB
Level (OFDM):-34.5 to -3dBm ±2dB
Phase noise:<-90dBc @ 10kHz
Spectral purity:>50dB (47 to 862MHz)
Monitor Output
Connector: 75Ω F
Return loss: ≥15dB (47 to 862MHz)
Level (QAM): -27.5dBm ±3dB
Level (OFDM): -30.5dBm ±3dB
ASI
Connector:75Ω BNC
Return loss:≥15dB (5 to 270MHz)

PCI Compliancy: r2.2, 32-bit, 33/66MHz

MODULATION STANDARDS
ATSC VSB: ATSC A/53E
DVB-C:EN 300 429
DVB-T / DVB-H:EN 300 744
QAM:J.83 Annex A/B/C

RELATED PRODUCTS
DTA-110: QAM-A/B/C UHF modulator
DTA-110T: Multi-standard UHF modulator
DTA-115: Multi-standard modulator with VHF/UHF upconverter

ORDERING IFORMATION
DTA-112-SP: VHF/UHF modulator with StreamXpress