AT278USB
iMod – Smallest Multi Standard Modulator

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

VHF & UHF Up-converter

IF & RF outputs, DVB-ASI input

Combined COFDM, QAM & ATSC Modulator with VHF & UHF Upconverter.
High Speed USB 2.0
Windows Drivers & SDK.
Linux Drivers.
Accompanied by DVSStation4 Alitronika’s Application Software.
Supports DVB According to Standard A1010 Rev1 and EN50083.
Modulation of Transport Stream files from USB or DVB-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.
– 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.

BLOCK DIAGRAM

CONNECTIONS

APPLICATIONS

Targeted for Digital Video Professionals, Sophisticated End Users and OEMs the AT728USB 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 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.

ChannelBandwidth: 6MHz.
Standards: A/53 8-VSB.

DVB-ASI Spec.

DVB-ASI Input Connector:75 Ohms BNC.
DVB-ASIInput return loss: 15dB.

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.