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| GHM-T1 | HC-T1 | HS-T1 | HV-T1 |
DVB-T Modulator

GHM-T1

 


Features

• DVBT only
• Single channel
• No hierarchical transmission
• Configurable convolution Rates
• QPSK/ 16 QAM/ 64 QAM symbol Mapping
• 2K/ 8K FFT
• Configurable Guard Interval : 1/4, 1/8, 1/16, 1/32
• Support Channel Bandwidth 6/7/8 MHz
• MER 35 dB, typically
• Carrier Suppression > 42 dB

Specification


Source input   RF Output
Input Channel 1   Type 1 Multiplex DVBT with adigital TV service
Video System

480i/p, 576i/p, 720p,1080i/p

  Frequency 177 – 858 MHz
      MER 35 dB, typically
Connections   Output level 100 dBuV
RF Output 1 DVBT RF output with type F female, 75 ohm   Digital Gain/
Attenuation
+5 ~ -10dB
Video HDMI IN   Attenuation step 1dB per step
Audio, L/R HDMI PASS THROUGH      
      Modulation
Compression   Standard DVBT (ETSI EN 300 744)
Video H.264 High profilelevel3.2   Constellation QPSK, 16QAM, 64QAM
Video Resolution 720P   Guard Interval 1/4, 1/8, 1/16, 1/32
Video Bit rate 12Mbps Max.   Code Rate 1/2, 2/3, 3/4, 5/6, 7/8
Audio MPEG 1 layer II(MP2)AAC   FFT Carrier Mode 2K, 8K
Audio Bit rate 192- 384 Kbit/S   Bandwidth 6MHz, 7 MHz, 8MHz
DVB insertion tables SDT, NIT   Power Supply 6W @ 5V
Editable field Service Name, / Transport-Stream_id,
/network_id, original_newtork_id,
/ LCN/ NIT/Private Data specifier
  Display LCD panel @ 2 x 16 characters (on front panel).
      Configuration 6 Local keys on front panel :
‧OK Key : Select parameter, or menu
‧L / R Keys : Move menu, or characters
‧Up / down : Select value of the figure, or field
‧menu keys : Select menu
      Environmental foroperating Temperature 5°C- 40°C
Relative Humidity 80% @ 30°C
         


Genral Spec.



Performance