iMod

AT280USB

Stand alone  Modulator
DVB-T/H  Modulator
VHF & UHF Up-converter
IF & RF outputs
DVB-ASI input 

Standard Features:

Combined COFDM, QAM & ATSC Modulator with VHF & UHF Upconverter.
High Speed USB 2.0
Windows 2000, XP Drivers and SDK.
Accompanied by DVSStation3 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 input.
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.
Input
DVB-ASI input. 
Output
RF Output.
IF Output.

Block Diagram:

Application:

Targeted for Digital Video Professionals, Sophisticated End Users and OEMs
the AT280USB is an ideal solution for a number of applications such as:
Development Tools for DVB-T/H Receiver R&D.
IP to DVB Gateway.
DVB-T/H Transport Stream Generation.
Stand alone COFDM ( Terrestrial ) signal generator for Test & Validation.
Demonstration and Trade Shows.
DVB-T/H/C & ATSC output for OEM product.

Specification:

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: -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 Inversion: Both inverted and non-inverted.
DVB-ASI Spec.
DVB-ASI Input Connector: 75 Ohms BNC.
DVB-ASI Input return loss: 15dB.

Application Software:

Play Screen-Modulation TS files from PC

Record Screen- Modulationg TS from an external (ASI/SPI) source

Modulation Settings

RF Settings