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Digital TV Stream

   Compact series DVB-T/T2 Transmitters 

  

  unit 25     

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                         Technical parameters DVB-T-T2 Transmitter

     RF Frequency range:    UHF Band IV/V: 470-862 MHz
     Transmission standart:   DVB-T/DVB-T2
     RF Channel Bandwidth:   6, 7 or 8 MHz
     Rated Output Power:   Up to 250W
     Output Power Reduction Range:   0 .. -10dB
     Shoulder level:   < -42 dB (typical < -50dB)
     MER:   > 37dB 
     Input Bitrate:   DVB-T: 4.976..31.668 Mbit/sec

  DVB-T2: up to 50.28 Mbit/sec
     Power Supply:   110..230V AC, auto-ranging 47..63 Hz
 Description  Parameters Software

  

                           

Specifications

 

General

RF Output Frequency Range

UHF Band IV/V, 470 to 862 MHz

Transmission Standards

DVB-T; DVB-T2;

RF Channel Bandwidth

6, 7, or 8 MHz 

Rated Output Power

Up to 250 Watts (before mask filter)

Output Power Reduction Range

0 to -10 dB

Inputs/Outputs

 

RF Output Connector

1 x Type N Female, 50 ohms, rear access

Transport Stream Inputs

2 x BNC, 75ohms terminated (50 ohms connector per ASI rec.), configurable as SPMTE 310M, DVB-ASI, or DVB-T2MI
1x TSoIP Gigabit inputs (1 out of the 4 Ethernet ports will be enable for TSoIP 1Gb)

10 MHz Reference Input

1 x BNC, 50 ohms, rear access, -7 to +20 dBm, <20 dB return loss

10 MHz Reference Output

1 x BNC, 50 ohms, front access

Ethernet

1 front, RJ-45, customer access
1 rear, RJ-45, DHCP enabled network interface (SNMP)

Parallel Remote Control

1 rear user remote

GPS Antenna Input

1 x SMA, 50 ohms, rear access (optional)

RF Monitor Output

1 x SMA, 50 ohms, front access

AC Power

 

AC Power Input

110 to 230 V AC, auto-ranging, ±15%, 47 to 63 Hz

Power Factor

>0.96 (typical 0.98)

Environmental

 

Operational Temperature Range

0° to 45° C (32° to 113° F)

Storage Temperature Range

-40 to +70° C

Relative Humidity

0 to 95%

Altitude

Up to 4,000 m (13,100 ft) above sea level, derate 2° C (3.6° F) per 300 m (984 ft) of elevation

Cooling Method

Forced air-cooled, airflow front to rear

Acoustic Noise

≤65 dBa (front 1 m)

Compliance


DVB-T: ETSI EN 300 744
DVB-T2: ETSI EN 302 755

 

 

COFDM Transmitter Performance

 

RF Power Stability

±0.5 dB

RF Load Impedance

50 ohms

Operating Load VSWR

Up to 1.4:1 at full power

Maximum VSWR

Protected against open or short circuit, all phase angles.
Automatic VSWR foldback with user adjustable threshold.
Factory pre-set to 1.4:1

Shoulder Level

<-42 dB (typical <-50 dB)

MER

>37 dB (typical >40 dB)

Frequency Stability

±150 Hz/month without PFC/GPS (2.3 x 10-7)

Frequency Offsets

1 Hz increments

Input Bit Rate

DVB-T: 4.976 to 31.668 Mbit/s
DVB-T2: up to 50.28 Mbit/s

Phase Noise

10 Hz <-55 dBc/Hz
100 Hz <-85 dBc/Hz
1 kHz <-90 dBc/Hz

10 kHz <-95 dBc/Hz
100 kHz <-112 dBc/Hz
1 MHz <-130 dBc/Hz

Spurious Output

<-60 dBc (after mask filter)

Harmonics

<-60 dBc after mask filter, <-35 dB before mask filter

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:: Info ::

exhibitors2 2013

20.08.17 » DTV Stream participated in the IBC-2017 in Amsterdam.


15.08.17 » DTV Stream developed and manufactured OMNI Directional Antenna


12.10.14 » Company DTV Stream presents compact transmitter.


Mail to: info@dtv-stream.com     © 2013 "Digital TV Stream"