AT2780USB

Standard Features:

•     Combined COFDM & QAM Modulator with VHF & UHF Upconverter, DVB-T/H/C Modulator.
•     High Speed USB 2.0
•     Windows 2000, XP 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 to provide noise immunity and high performance
Input
•     DVB-ASI input.
•     DVB-SPI input.
Output
•     RF Output.
•     IF Output.
•     DVB-ASI output for monitoring the modulated TS file.

Block Diagram:

Applications:

Targeted for Digital Video Professionals, Sophisticated End Users and OEMs
The AT2780USB 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.