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Ericsson SM6615 Satellite Modulator

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  • Most Common Modulation Modes
  • Variable Symbol Rate
  • High Quality L-Band Output
  • Full Set of Control Methods


Transport Stream Inputs
2 x DVB ASI Copper
Rear panel connector BNC (F), 75 Ohm
+2 x DVB ASI Copper (option)
Rear panel connector BNC (F), 75 Ohm
+1 x DVB SPI (option)
Rear panel connector 25-way, D-type (F)
Transport Stream Data Specification
ASI Data Rate 213 Mbps maximum
ASI Format Byte and single packet burst mode
Packet Size 188-byte, 204-byte, unframed
Data Rate
108 Mbps maximum
Packet Size 188-byte, 204-byte, unframed
Data Clocking Modes Input data rate adaptation mode including PCR correction
Input data rate derived mode
Output Specification
L-Band Output
Main L-Band Output
Frequency Range 950 – 1750 MHz
Frequency Step Size 1 kHz
Frequency Error ±1 kHz maximum
Output Power -20 to +5 dBm (0.1 dB steps)
Impedance 50 Ohm
Connector SMA (F)
Spurious Outputs< -60 dBc/4 kHz over 500-2500 MHz (modulated carrier)
Phase Noise > 6 dB below IESS-308 limits
L-Band Monitor Output
Output Power
-30 dB nominal relative to Main L-Band output power
Impedance 75 Ohm
Connector F-type female
DC Power Output
Voltage 24 V switchable on/off
Current 500 mA maximum, short circuit protected
10 MHz Reference Output
Output Power 0 dBm ±3 dB sine wave into 50 Ohm load, switchable on/off
Frequency Stability ±5.5 Hz over 10 years
Carrier Combining Input Path Gain to Main L-Band Output: 0 dB ±2 dB
Input Power +5 dBm maximum
Intermodulation Products < -60 dBc/4 kHz
Input Impedance 50 Ohm
Connector SMA (F)
Distortion Correction
Cable Tilt Correction
±0.04 dB/MHz maximum (Digitally generated)
Modulation Features
Signal Conditioning
EN 300 421 (DVB-S) and EN 301 210 (DVBDSNG)
BPSK, QPSK, 8PSK (option) and 16QAM (option)
1/2, 2/3, 3/4, 5/6, 7/8
FEC 8PSK 2/3, 5/6, 8/9
FEC 16QAM 3/4, 7/8
Symbol Rate
1 to 48 Msyms
0.2 to 66 Msyms (option)
variable in 1 symbol/s increments
Spectrum Roll-off Factor α
20%, 25%, 30%, 35% user selectable
Front Panel 2 line x 40 character LCD display
Navigation 4 cursor keys, 2 function keys
Via RS-232/485 control port using VT100

emulator or PC control software
Connector 9-way D-type (M)
Ethernet Dual-redundant 10BaseT Ethernet
Web browser control interface
Connectors 2 x RJ45
Reset/Status Port
Relay contacts for signaling equipment and input signal failure
9-way D-type (F)
Physical and Power
1RU, 19” rack mounting
Approximate Weight
Supply Voltage
100-120 VAC and 220-240 VAC, wide ranging
Power Consumption
Approx. 60W (dependent upon options fitted)
Environmental Conditions
Temperature Range
0°C to +50°C (32°F to 122°F) operational
-20°C to +7°C (-4°F to 158°F) storage
Relative Humidity
0% - 90% (non-condensing)
CE marked in accordance with EU low voltage and EMC directives. Standards applied: EN55022, EN55024, EN61000-3-2, EN61000-3- 3 for EMC and EN60950 for Safety, as a minimum where applicable. Also meets other relevant requirements and national standards derived from international requirements on which the above European Standards are based and FCC Pt 15B. Designed to meet UL 1950.

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