DTU-315

All-Standard 0-2GHz Modulator for USB-3

Modulation has never been so easy and so beautiful. The DTU-315 is a portable modulator for satellite, terrestrial and cable, all in a single device.
A good fit for laptop or tablet, but convenient with desktops and server PCs too.

  • Pocket-size modulator for all popular satellite, cable and terrestrial standards
  • Fully agile from 36 to 2150MHz, covering VHF, UHF and L-band
  • Modulation bandwidth up to 70MHz
  • Excellent signal quality
  • Single USB cable to the DTU-315 supplies power, data and control
  • Supports all constellations and modulation modes for each supported DTV standard
  • Digital channel simulator option including multipath echo and AWGN insertion
  • F and BNC cable assemblies included
  • Use with DekTec’s StreamXpress for easy generation of RF test signals
  • Free Windows SDK (DTAPI) for writing your own custom application

FEATURES

KEY ATTRIBUTES

Parameter Value
RF connector
75-Ω micro-BNC female
RF Level
-45 ~ -25dBm
Frequency range
36 ~ 2150MHz
I/Q sample rate
0.08 ~ 70Msps
Bandwidth (max)
70MHz
MER (typical)
>40dB
Phase noise
<-105dBc @ 10kHz
Spectral purity
>50dB
USB port
USB 3.2 Gen 1 required
*Also called USB 3.0 or 3.1 Gen 1
**Must be a real USB-3 port; the DTU-315 will not operate with USB-2.
USB connector
Micro-B female
OS
Windows 7 minimum
Windows 10 recommended
Linux ≥2.6.31, 3.x, 4.x, 5.x
Processor
Core i5 minimum
Core i7 recommended
Or equivalent AMD CPUs

BLOCK DIAGRAM

The DTU-315 reads data from USB and forwards it to a baseband modulator, a channel filter, an optional channel simulator and an upconverter. The digital RF signal is converted to analog with a high-speed D-to-A converter and output on a micro-BNC connector.

MODULATION STANDARDS

Modulation Standards
Standards included with base product
ATSC 8VSB, DVB-C ,DVB-CID, DVB-S, DVB-S2, DVB-T, DVB-T2 single PLP, QAM-B, QAM-C
Options
ATSC-M/H, ATSC 3.0, CMMB, DAB(+), DRM(+), T-DMB, DTMB (ADTB-T, DMB-T/H), DVB-C2,
DVB-S2X, DVB-T2 multi PLP ,ISDB-S, ISDB-S3, ISDB-T, ISDB-Tmm
More options
I/Q sample playout
AWGN insertion
Multipath echo simulation
Remotely controlled playout

ORDER

Type Description
DTU-315-SP
DTU-315 with StreamXpress player software.
DTU-315-GOLD 
DTU-315 with all current and future modulation options, channel simulation and StreamXpress including remote control.

SOFTWARE

Software Description
Play TS files and control modulation parameters
Atsc3.0 signal generator
*need ATSC3.0 modulation option license
DVB-T2 signal generator with full control of all modulation parameters and with integrated channel simulator
*need DVB-T2 (multiple PLP) option license
C2Xpress
DVB-C2 signal generator
*need DVB-C2 option license
TmmXpress
ISDB-Tmm signal generator
*need ISDB-Tmm option license
XpressSim
XpressSim fading and AWGN simulator; StreamXpress required (CM)

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