
AT2780PCI
Multi-standard Modulator
DVB-T/H, DVB-C
(QAM A/B/C) All in One Device

Standard Features:
• Combined
COFDM & QAM Modulator with VHF & UHF Upconverter, DVB-T/H/C Modulator.
• PCI 2.2, 32 bit, 33/66MHz 3.3V.
• Bus Master DMA, Scatter /Gather Interface Protocol.
• Windows 2000, XP Drivers and Linux Drivers & API.
• Accompanied by DVSStation2 Alitronika's Application
Software.
• Supports DVB According to Standard A1010 Rev1 and
EN50083.
• Modulation of Transport Stream files from Harddisk.
• Modulation of Transport Stream from the ASI or 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.
• RF & IF Section are in metal enclosure for noise
immunity and high performance
Input
• DVB-ASI input.
• DVB-SPI input.
Output
• RF Output.
• IF Outputs ( one internally, SMB connector,
to be used inside the PC to connect to other
boards ).
• DVB-ASI output for monitoring the modulated TS file.
Block Diagram:
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 Transport Stream
Generation.
•
Stand alone COFDM ( Terrestrial )
QAM ( Cable TV ) signal generator for Test & Validation.
•
Demonstration and Trade Shows.
•
DVB-T/H/C output for OEM product.
Specifications:
General Spec.
• 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: +2dBm to
-35dBm, 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 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.
DVB-ASI/SPI 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 214 Mbit/s.
• DVB-SPI Connector: 25-pin sub-D.
• DVB-SPI Input Level: LVDS.
• DVB-SPI Input Bit Rate: 0 to 108 Mbit/s.
Please click HERE to
download the datasheet.


