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Product name : DVB-T2 Modulator
Product No. : TMD-T2
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  Details:

DVB-T2 modulator is our new product developed complying with the DVB-T2 standard. With its advanced modulating technology, this modulator can effectively make use of the ground spectrum resources and make it possible to provide reliable signals for fixed, mobile and portable devices. Compared with DVB-T, the channel capacity is increased by 30% under the similar carrier to noise ratio (CNR) threshold. DVB-T2 modulator also supports single-PLP and multi-PLP (option) to receive T2-MI from DVB-T2 gateway through its ASI and IP port. (This function is also option.)

Moreover, this device can be upgraded and controlled through network system, which allows it to be widely used in setting up digital broadcasting network and provide good signals for scientific laboratory and DVB-T2 STB.

 
Features
Ø Fully complying with EN302 755 standard

Ø 4 ASI input ports (for 1 channel TS input with 3 ports for backup)

Ø TS over IP input (UDP); T2-MI over IP input (Option)

Ø 10MHz input/loop out, 1PPS input/loop out
Ø DVB-T2 RF output
Ø Supports single PLP, multi-PLP (Option)
Ø Support MISO and SISO

Ø Support QPSK/16QAM/64QAM/256QAM (normal or rotated)

Ø Support TS format: T2-MI (Option) or TS (Mode A)

Ø High performance output: MER>43dB, shoulder level>56dB

Ø Output signal bandwidth: 5M, 6M, 7M, 8MHz
Ø Support MFN and SFN (Option) net mode

Ø Supports non-linear and linear digital pre-distortion (DPD)

Ø RF output level: -25~+3 dBm, 0.1db stepping

Ø Constant temperature crystal oscillator, as high as 0.1ppm stability

Ø Support online upgrade
Ø Keyboard operation and LCD display
Ø Web Network management system   (GUI)

 
Specifications
Input
T2MI input over ASI and IP (Option)
1000 Mbps Ethernet port
100 Mbps Ethernet port
1 channel TS input over ASI, TS over IP port (UDP)

10MHz reference clock input and loop out, BNC interface

1PPS input and loop out, BNC interface
Modulation
Standard
EN302 755
Mode
Mode A: single-PLP;
Mode B: multiple-PLP (Option)
PLP Constellation
QPSK, 16QAM, 64QAM, 256QAM (Normal or Rotated)
L1 Post Constellations
BPSK, QPSK, 16QAM, 64QAM
FEC Length
Short(16K), Normal (64K)
FEC Rate
1/2, 3/5, 2/3, 3/4, 4/5, 5/6
Pilot Pattern
PP1 - PP8
Guard Interval
1/128, 1/32, 1/16, 19/256, 1/8, 19/128, 1/4
FFT Mode
1k, 2k, 4k
8k, 16k, 32k (normal or extended)
Bandwidth
5MHz, 6MHz, 7MHz, 8MHz
Net Mode
MFN, SFN (Option)
RF Out
Connector
N Type, 50ΩImpedance
RF range
30~999Mhz, 1hz stepping
Output level ATT
-25~+3 dBm, 0.1db stepping
MER
> 43db
Shoulder Level
>56dB
System
LCD display, keyboard and web Network management
Supporting software upgrading through network
General
Demission (W*L*H)
482mm×410mm×44mm
Weight
4.8kg
Temperature
0~45℃(operation),-20~80℃(storage)
Power supply
AC 220V±10%,50/60Hz
Power Consumption
34W
 
 
 
Principle chart:






















 

Shoulder Level with DPD enabled:


 
 
 

 

























MER:


 
 


























*Please contact Transworld for more details.

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