Audemat-Aztec Audemat-Aztec
EMAA Transmitter

Monitoring
Solution can include:
  • Monitoring functions built-in in the EMAA transmitters
  • IP2Choice equipment to handle technical alarms on transmitter sites
  • GoldenEagle monitoring equipment: RF input, ASI input (option)
EMAA transmitters have:
  • SNMP protocols implemented
  • webserver built in
Parameters monitored are:
  • Bit error rate
  • Modulation error rate
  • Carrier/Noise (dB)
  • ASI detection: MP synchro, LP synchro
  • ASI parameters: Unorrected input paquet, MIP , Frame error, MIP modification
  • Amplifier: ROS, output power, amplifier temperature
ASI management
  • Reed Solomon error correction
  • NIT update
  • Bit rate adaptation
  • PCR restamping
  • MIP extraction and processing
  • SFN synchronization
  • Delay management: static delay; automatic delay in SFN; delay for seamless switching in SFN
Modulation
DVB-T and DVB-H modes (16 Qam, 64 Qam, QPSK, ...) are defined according to:
  • FFT size
  • Code rate
  • Guard interval
  • Constellation
  • Hierarchical parameters
  • Inner interleaver
Synchronization and clock:
  • An internal clock is available on the modulator
  • A 10MHz input is also available for more accurate synchro
  • For SFN, an external 1pps and clock have to be made available for the modulator.
  • Linear and non linear precorrection.

COMMUNICATIONS

   EMAA transmitter EMAA re-transmitter
Front panel:
 LCD display: 4 lines of 20 characters
4 buttons of piloting + 1 button of validation + 1 button back
4 LEDs: POWER, Rx/ASI, TX, Remote
RF output for monitoring
 Rear panel:
 RF output
ASI input 1 and 2
ASI low Priority input 1 and 2 (hierarchical mode)
1 pps input
10MHz input/output
RS232 port
LAN
USB port
DB25 relay output 		RF input 1 and 2
RF output
ASI output 1 and 2
ASI input 1 and 2
ASI low Priority input 1 and 2 (hierarchical mode)
1 pps input
10MHz input/output
RS232 port
Interface conectors:   Serial port, DB9 male
Network: RJ45 female
USB type A
DB25 relay output

HARDWARE DESCRIPTION

Power supply 230VAC/50Hz
Average consumption Max 300W according to power classes
Dimensions

 EMAA Transmitter: 1U, 19" rack, 454mm depth, ~7kg
Amplifier: 3U, 19'' rack, 600mm depth, weight depending on power.
EMC & security Compliant with European regulations: 75/23/CEE and EMC 89/336/EEC
Compliant with EN 60950, EN 55022-B and EN 55024 standards

options

Internal GPS for SFN networks