DTA-115 – Multi-Standard VHF/UHF Modulator for PCI bus

Model: DTA-115 Manufacturer: DekTec

$2,194.00 USD$4,563.00 USD


Additional Options


All USA orders will be shipped from our USA warehouse.
All other orders will be shipped from Canada.


DTA-115 – Multi-Standard VHF/UHF modulator, ASI port for PCI.
Includes modulation options: ATSC VSB, DVB-C, DVB-T / DVB-H, QAM (Annex A/B/C).

DTA-115-SP – Multi-Standard VHF/UHF modulator, ASI port for PCI with StreamXpress player software.
Includes modulation options: ATSC VSB, DVB-C, DVB-T / DVB-H, QAM (Annex A/B/C).

DTA-115-GOLD –  DTA-115 with all current and future options


DTC-305-CM   –   XpressSim channel-modelling option

DTC-370-ISDB – ISDB-T modulation option

DTC-371-IQ – IQ samples playout option

DTC-374-DTMB   – DTMB modulation option

DTC-375-CMMB – CMMB modulation option

DTC-378-T2 – DVB-T2 modulation option

DTC-379-C2 – DVB-C2 modulation option

DTC-376-DAB   –   DAB(+), T-DMB modulations option

DTC-377-MH  –  ATSC-M/H modullation option

DTA-Plus – VHF/UHF Booster/Attenuator for DTA-115


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
  • Use DTA-Plus to extend output-level range
  • Independent bi-directional DVB-ASI port
  • Monitor output for direct connection to the antenna input of a digital receiver
  • API is fully compatible with other DekTec
    digital-video output adapters
  • PCI rev 2.2, 32 bit, 33 or 66 MHz bus

Modulation Standards (included)

  • DVB-C EN 300 429
  • DVB-T / DVB-H EN 300 744
  • QAM ITU-T J.83 Annex A/B/C

Modulation Standards (optional)

  • ADTB-T / DTMB   GB 20600-2006
  • CMMB   GY/T 220.1/2-2006
  • DVB-T2   EN 302 755
  • IQ   I/Q sample playout
  • DVB-C2 EN 302 769
  • ATSC-M/H
  • DAB(+), T-DMB

DTA-115 Applications

  • True multi-standard test generator
  • Signal validation: check out whether your receivers can handle a new transport stream
  • Modulator replacement

PC Requirements

  • P4@2GHz minimum, or equivalent AMD
  • Core 2@2GHz minimum for ISDB-T, CMMB, DTMB, DVB-C2, DVB-T2 and channel simulation
  • 512 MB RAM minimum


Frequency range  47 .. 1000MHz ±1ppm

Bandwidth   5.0 .. 8.0MHz

MER (OFDM)   ~ 40dB

Main output: 

RF Connector  50-Ω BNC

Return loss  >15dB (47 .. 862MHz)

Level (QAM)   -31.5 .. 0dBm ±2dB

Level (OFDM)   -34.5 .. -3dBm ±2dB

Phase noise   <-90dBc @ 10kHz

Spectral purity    >50dB (47 .. 1000MHz)

Monitor output:

RF Connector  75-Ω F

Return loss  >15dB (47 .. 862MHz)

Level (QAM)   -27.5dBm ±3dB

Level (OFDM)   -30.5dBm ±3dB

ASI port:

Connector    75-Ω BNC

Return loss  >15dB (5 .. 270MHz)

PCI compliancy PCI rev 2.2, 32 bit, 33 or 66 MHz bus

DTC-300 – StreamXpress Playout and Control Software

  • Low-cost, high-performance playout software
  • Endless play with optional automatic correction of continuity-counter, PCR/PTS/DTS and TDT/TOT fields
  • SOAP-based remote control to automate StreamXpress operations (DTC-302-RC option)
  • Saving and restoring playout parameters using XML-based settings file
  • Reproducible injection of errors in the transport stream with adjustable error rate
  • Easy-to-use control of modulation and channel simulation parameters


DTA-Plus – optional VHF/UHF Booster/Attenuator for DTA-115.


DTA-Plus Features

  • Connect the DTA-Plus to your DTA-115 for boosting the output level range to -110dBm to +10dBm
  • Temperature compensation using an integrated temperature sensor, heater and fan control (fan included in the package)
  • Support in DTAPI for writing custom application that require controlling the RF level over a wide range
  • AGC for constant-level output signal
  • Support in StreamXpress for controlling the output level from the GUI and through remote control


Key Attributes

Input Range    -30…-10 dBm

Output Control Range     -110…+10 dBm

Output Control Step     0.1 dB

RF Output Connector    50-Ω SMA

RF Level Accuracy    ±1dB

Frequency Range   50…870 MHz

Temperature    25…60 °C

Power Supply Current @ 12V  Typ: 640 mA; Max: 1000mA


PC Requirements

  • Three PCI slots required for DTA-115, DTA-Plus and regulation fan


Additional information

Weight 2 lbs