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DekTec Multi-Standard Modulator

DTA-111

The DTA-111 is an economical solution that offers you a multi-standard modulator with VHF/UHF up-converter that provides support for most QAM, OFDM, and VSB modulation standards

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
  • Fixed output level of -15.0dBm for QAM and -18.0dBm for OFDM
  • RF output for direct connection to the antenna input of a digital receiver
  • Programming interface (DTAPI) is fully compatible with other DekTec digital-video output adapters
  • PCI rev 2.2, 32 bit, 33 or 66MHz bus
  • General purpose test modulator
  • SMATV, hotel server, shows and exhibitions
  • OEM applications

KEY ATTRIBUTES
Frequency range: 47 to 862MHz ±1ppm
Bandwidth: 5.0 to 8.0MHz
MER (OFDM):≈38dB (QAM) / ≈40dB (OFDM)
Connector: 75Ω F
Return loss: ≥ 15dB (47 .. 862MHz)
Level (QAM):-15dBm (+34dBmV)
Level (OFDM): -18dBm (+31dBmV)
Phase noise:<-90dBc @ 10kHz
Spectral purity:>50dB (47to 862MHz) / >90dB (muted)
PCI compliancy: r2.2, 32-bit, 33/66MHz
OS: XP/2k3/Vista/2k8/7 Linux 2.6

MODULATION STANDARDS
ATSC VSB: ATSC A/53E
CMMB*: GY/T 220.1/2-2006
DTMB*: GB 20600-2006
DVB-C: EN 300 429
DVB-C2*: EN 302 769
DVB-T / DVB-H: EN 300 744
DVB-T2*: EN 302 755
ISDB-T*: ARIB STD-B31
QAM: J.83 Annex A/B/C

*OPTIONAL

ORDERING INFORMATION
DTA-111-SP: VHF/UHF modulator with StreamXpress

5.0 to 8.0MHz
Datasheet