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DekTec Multi-Standard UHF/VHF Modulator Card

DTA-115

The DTA - 115 is a PC based UHF/VHF modulator that supports most QAM, OFDM, and VSB based modulation standards. It is fully agile from 47 to 862 MHz.

Sencore is the preferred distributor of DekTec in North America.

  • Multi-standard modulator with support for most QAM, OFDM and VSB-based modulation standards
  • Supports all constellations and modulation modes for each supported standard
  • All-channel upconverter 47 to 862MHz covering full VHF and UHF band
  • Direct 12-bit I/Q sample playout
  • Output amplifier with programmable 0 to 31.5dB attenuator in 0.5dB steps
  • Use DTA-Plus to extend the output-level range from -110 to +10dBm
  • Independent bidirectional DVB-ASI port
  • API is fully compatible with other DekTec digital video output adapters
  • Multi-standard test generator
  • Modulator replacement
  • RF output for your (OEM) application

KEY ATTRIBUTES
Frequency range: 47 to 862MHz ±1ppm
Bandwidth: 5.0 to 8.0MHz
MER (OFDM): ≈40dB
Main Output
Connector: 50Ω BNC
Return loss: ≥15dB (47 to 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
ADTB-T / DTMB: GB 20600-2006
DVB-C: EN 300 429
DVB-T / DVB-H: EN 300 744
DVB-T2: EN 302 755
IQ: Direct I/Q sample playout
ISDB-T: ARIB STD-B31
QAM: J.83 Annex A/B/C

OPTIONS
DTA-Plus: VHF/UHF attenuator
DTC-370-ISDB: ISDB-T modulation
DTC-374-DTMB: DTMB modulation
DTC-376-CM: Channel simulation
DTC-378-T2: DVB-T2 modulation

 

Datasheet