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Additional information

Part Number

EM7994

Features

The EM7994 takes four signals from HDMI or CVBS sources and encodes the data in to MPEG transport streams
and outputs them using COFDM modulation
as a DVB-T multiplex.

The new signals can be combined with off-air signals using the loop-through RF connections and then fed into your TV system for distribution to every TV set.

  • Inputs: 4x HDMI, 4x CVBS (phono) and 4x stereo audio (2x phono)
  • Ideal for a wide range of HD signal sources Blu-ray, CCTV, Satellite receiver etc. with HDMI or phono output
  • High quality stable image ideal for displays, security or distribution •RF Output compatible with HD and non HD TV tuners
  • Easy to install into existing TV distribution systems
  • Broadcast quality construction
  • Clear colour display and simple step-by-step configuration

Applications

  • Installation in communal TV systems to provide security or information channels
  • In business locations to show information or advertising
  • In retail, hotel or public spaces for high impact displays

Modulator Section
DVB-T
Standard DVB-T COFDM
Bandwidth MHz 6, 7, 8
Constellation QPSK, 16QAM, 64QAM
Code rate 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval 1/4,1/32, 1/16, 1/8,
MER 35dB
Frequency range 470-860MHz select by Channel No.
Output Level 70-100dBµV step 1dBµV
Output Impedance 75Ω
Encoding Section
HDMI Encoder                                            HDCP1.3 Compliant
 

 

 

 

 

 

Video

Compression H.264 – bitrate 5-15Mb/s
Version HDMI 1.4 (1.3 compatible)
Interface HDM1 x 4
Input Output
 

 

Resolution

1920×1080@60p

1920×1080@50p

1920×1080@60i

1920×1080@50i

1280×720@60p

1280×720@50p

1920x1080_50p/1920x1080_60p

1920x1080_50i/1920x1080_60i

1280x720_50p/1280x720_60p

Aspect Ratio 4:3, 16:9
Bit rate 5-15Mbps
 

Audio

Compression AAC-LC / MPEG1-L2– bitrate 128-320 Kb/s
Sample Rate 32kHz / 44.1 kHz / 48 kHz
Bit rate 64/128/192/256/320 kbs
CVBS Encoder
 

Video

Compression H.264 – bitrate 5-15Mb/s
Interface CVBS 3 phono x 4
Input Output
Resolution 576iPAL 480iNTSC 720×576@50i /720×480@59i/60
System
Management LCD + control keys
Language English
LCN Insertion Yes
Upgrade Micro USB
General
Power supply 12VDC
Dimensions 280mm (W) x 203mm (D) x 61mm (H)
Weight 1.26kg
Operating temp. 0-45˚ C
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