Dual Channel DVB-T Modulator, Tenor-GAT-2　　　　Download　　　

　　　Main Feature　　　
　　　　　Fully compliant with DVB-T standard
　　　　　Two DVB-T modulators in a single 1RU rack
　　　　　1 TS ASI input and 1 ASI loop output per modulator
　　　　　Support 2k, 8k FFT modes
　　　　　Guard Interval: 1/4，1/8，1/16，1/32
　　　　　FEC：1/2，2/3，3/4，5/6，7/8
　　　　　Modulation: QPSK，16QAM，64QAM
　　　　　Channel Bandwidth:8MHz or 7MHz or 6MHz
　　　　　IF agile from 30-40MHz with step 1Hz
　　　　　RF agile from 48MHz to 900MHz with step of 1kHz
　　　　　1 independent RF output per modulator
　　　　　Front panel control and RS-232 remote control
　　　　　Linear Amplifier with 20-30dBm Output option
　　　　　Extra –90dB Attenuator option

Technical Specification

2 TS Inputs:
Fully complaint with EN 50083 ASI standard
Support 188/204 packet, Packet and Burst mode
1 ASI TS Input, 1 ASI loop output per modulator
Connector type: BNC female, Impedance 75Ohm

Modulation and channel coding:
FFT: 2k, 8k;
FEC: 1/2,2/3,3/4,5/6,7/8
Guard Interval: 1/4,1/8,1/16,1/32
Constellation: QPSK, 16QAM, 64QAM
Cell ID setting
Channel Bandwidth: 6MHz or 7MHz or 8MHz

IF Output Option:
Central frequency: 30-40MHz, Step 1Hz
Signal level(Main): 0dBm to -10dBm by 0.1dB step
Signal stability: +/- 0.5dB，+/-1kHz
Modulation error ratio(MER): >36dB
Shoulder: >50dB @ +/-4.2MHz from central frequency
Spurious: 50dB relative to total power
Return loss: >15dB
Connector type: BNC female, Impedance 50 Ohm

2 RF Outputs:
Central frequency: 48MHz to 900MHz
Signal level(Main): 0dBm +/- 2dB
Attenuation adjustable 0 to –10dBm by 1dB step
Signal stability: +/- 1.0dB，+/-10kHz
Modulation error ratio(MER): >35dB
Shoulder: >48dB @ +/-4.2MHz from central freq
Spurious: 48dB relative to the total power
Return loss: >15dB
Connector type: 2 N female, Impedance 50 Ohm

RF Amplifier Option:
Ultra linear amplifier for VHF, UHF Bands
Gain 15- 30dB, Gain Flatness <1dB
Gain Stability <0.1dB
Return loss: >15dB

Extra –90dB Attenuator Option:
Attenuation bandwidth: 48-900MHz
Attenuation Step 1dB, Flatness <2dB

2 RF Test Signal:
Output Level : -20dB
Connector:2 BNC female,
Impedance 50 Ohm

Alarm and Control:
Local control: 6 buttons, LCD screen, LED
DB-9 with 2 contact relays for alarms: TS Loss, Bit Rate Overflow, RF problem, etc
Remote control: User friendly man machine interface
Though RS-232 port

Physical conditions:
Power supply: AC 230V+/-10%, 80W
Operating temperature: 0-50 degrees
Storage Temperature: -10-70 degrees
Humidity 10%-80% at 50 degrees
Dimension: L=540mm, W=483mm, H=44mm (1RU)
Weight: Net 7 kg, Gross 10 kg