AT2780PCI
Multi Standard Modulator

DVB-T/H/C(QAM-A/B/C)

ATSC 8-VSB & ISDB-T

VHF & UHF Up-converter

IF & RF outputs

DVB-ASI/SPI inputs

  • Combined COFDM, QAM & ATSC Modulator with VHF & UHF Upconverter.
  • PCI 2.2, 32 bit, 33/66MHz 3.3V.
  • Bus Master DMA, Scatter /Gather Interface Protocol.
  • Windows Drivers & SDK.
  • Linux Drivers.
  • Accompanied by DVSStation3 Alitronika’s Application Software.
  • Supports DVB According to Standard A1010 Rev1 and EN50083.
  • Modulation of Transport Stream files from Harddisk & DVB-ASI/SPI inputs.
  • All modulation processes are carried out by the hardware so that there is no load on the PC processor,
  • So there is no need for an expensive high performance PC.
  • Supports Burst or continuous modes, 188 and 204 packet sizes.
  • Bitrates:
    – DVB-T/H : 4.98 MB/s to 31.67 MB/S.
    – DVB-C : 14 MB/s to 65 MB/S.
    – ATSC : 10.76 MBaud to 19.30 MBaud.

Input

  • DVB-ASI input.

Output

  • RF Output.
  • IF Output.
  • DVB-ASI output for monitoring the modulated TS file.

BLOCK DIAGRAM

CONNECTIONS

APPLICATIONS

Targeted for Digital Video Professionals, Sophisticated End Users and OEMs the AT2780PCI is an ideal solution for a number of applications such as:

  • Development Tools for DVB-T/H/C Receiver R&D.
  • IP to DVB Gateway.
  • DVB-T/H/C & ATCS Transport Stream Generation.
  • Stand alone COFDM ( Terrestrial ), QAM ( Cable TV ) & ATSC signal generator for Test & Validation.
  • Demonstration and Trade Shows.
  • DVB-T/H/C & ATSC output for OEM product.

SPECIFICATIONS

  • On Board Buffer:16 Mbytes.
  • IF Connector:75 Ohms BNC.
  • IF Output Frequency: 35-37 MHz or 69-71MHz adjustable in 1Hz steps.
  • RF Connector:75 Ohms BNC.
  • RF Output Frequency Range:50MHz to 1000MHz.
  • RF Output Power over bandwidth: -15dBm to -50dBm, adjustable in 0.5dB steps.

DVB-T/H Spec.

  • Channel Bandwidth: 5MHz, 6MHz, 7MHz, 8MHz.
  • COFDM Spectrum:2k,4k and 8k carriers non-hierarchical.
  • Standards: COFDM according EN 300 744.
  • Modulation Modes:QPSK, 16QAM and 64QAM.
  • Guard Interval Modes:1/32, 1/16, 1/8 and 1/4.
  • FEC Code Rates:1/2, 2/3, 3/4,5/6, 7/8.Spectral Inver
  • Spectral Inversion: Both inverted and non-inverted.

DVB-C Spec.

  • Channel Bandwidth: 6MHz, 8MHz.
  • Standards:QAM according EN 300 744.
  • Modulation Modes:16QAM, 32QAM, 64QAM, 128QAM and 256QAM.

ATSC 8-VSB Spec.

  • Channel Bandwidth: 6MHz.
  • Standards: A/53 8-VSB.

DVB Spec.

  • DVB-ASI Input/Output Connectors:75 Ohms BNC.
  • DVB-ASI Output Signal level:1.0Vp-p nominal.
  • DVB-ASI Output Clock: 270 MHz.
  • DVB-ASI Input return loss: 15dB.
  • DVB-ASI Output Bit Rate: 0 to 214Mbit/s ( up to Max. allowable bitrate for DVB-T/H/C, ATSC modulation).
  • DVB-SPI Connector: 25-pin sub-D.
  • DVB-SPI Input Level: LVDS.
  • DVB-SPI Input Bit Rate:0 to 108 Mbit/s ( up to Max. allowable bitrate for DVB-T/H/C, ATSC modulation).

APPLICATION SOFTWARE

DVSStation3/4/IP: Alitronika devices are supported by DVSStation3, DVSStation4 or DVSStationIP, Alitronika’s FREE Transport Stream Player, Recorder, Analyser and converter application software. Please refer to the specification and User Manual of these applications for more information. Even better please download them from our website and try them out. They works in DEMO mode without any Alitronika devices.

Play Screen=> In normal operating conditions
Record Screen => In normal operating conditions
ATSC Settings
DVB-C Settings
DVB-T Settings
DVB-T Guard Interval Settings
DVB-T Modulation Mode Settings
DVB-T FEC Settings
DVB-T Bandwidth Settings
RF Settings
IF output frequency is selectable between 35MHz & 70MHz
The application software provides the user with many functions & features such as :
PID Filtering
Bit, Byte & Packet error insertion
TOT & TDT selection
PlayBack in loops, sub-loops…….
Hardware Working Regiters are accessable for monitoring
Among the “Goodies” are a Video Viewer
Hex Editor
A DVB to IP Player/Converter
As well as the Integrated Quick TS Analyzer, TSReader support these devices.

DOWNLOADS