Modulation Standards
ATSC VSB ATSC A/53E
DTMB GB 20600-2006
DVB-C EN 300 429
DVB-T / DVB-H EN 300 744
ISDB-T / ISDTV ARIB STD-B31
QAM ITU-T J.83 Annex A/B/C
Key Attributes
RF Frequency Range 47 .. 862 MHz  ±1 ppm
Bandwidth 5 / 6 / 7 / 8 MHz
MER ~40 dB
RF Step Size 100 kHz
RF Signal to Noise (S/N) 44 dB typ. @ 474 MHz

Main Output

50-Ω BNC
Return Loss >15 dB (47 .. 862 MHz)
Output Level (QAM) -31.5 .. 0 dBm ±1 dB
Output Level (OFDM) -34.5 .. -3 dBm ±1 dB
Phase Noise < -90 dBc @ 10 kHz
Spectral Purity > 50 dB (47 .. 862 MHz)

Monitor Output

75-Ω BNC
Return Loss >15 dB (47 .. 862 MHz)
Output Level (QAM) -27.5 dBm ± 2 dB
Output Level (OFDM) -30.5 dBm ± 2 dB

DVB-ASI Port

75-Ω BNC
Return Loss >15 dB (5 .. 270 MHz)
Data Sheet
DTA-115 Multi-Standard Modulator LeafletLeaflet  
Software
List Price
DTA-115-SP €    2.445
Multi-standard modulator VHF/UHF upconverter for PCI bus with StreamXpress player software
DTA-115-ISDB-SP €    3.295
ISDB-T modulator VHF/UHF upconverter for PCI bus with StreamXpress player software
DTA-115-DTMB-SP €    3.545
DTMB modulator VHF/UHF upconverter for PCI bus with StreamXpress player software
DTC-370-ISDB €       950
ISDB-T modulation option
DTC-374-DTMB €    1.200
DTMB modulation option
Prices exclude applicable sales tax, shipping charges and customs duties. Quantity discounts are available, please request a quotation.
DTA-115 Multi-Standard Modulator / VHF+UHF Upconverter

DTA-115

Multi-Standard Modulator
with VHF/UHF Upconverter


 

DTA-115 Features

  • Multi-standard modulator with support for all popular QAM-, OFDM- and VSB-based modulation standards
  • All-channel upconverter 47 .. 862MHz covering entire VHF and UHF band
  • Output amplifier with programmable 0 .. 31.5dB attenuator in 0.5dB steps
  • Bi-directional DVB-ASI port

 

  • Supports all constellations and modulation modes for each supported standard
  • Monitor 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 66 MHz bus

DTA-115 Applications

  • Driving set-top or handheld receivers for demos, at shows, in electronics stores, for software development, repair, production testing or performance testing
  • Signal validation: check out whether your receivers can handle a new transport stream
  • Create your custom application with direct RF output

PC Requirements

  • PC requirements are similar to those
    of the DTA-110T
  • P4@2GHz minimum, or equivalent AMD
  • 512 MB RAM minimum
  • SDK for Windows-2000/XP/2003 and Linux

Block Diagram

DTA-115 Multi-Standard Modulator Block Diagram