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Comtech EF Data Radyne DM240XR Digital Video Broadcast Modulator

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  • DVB-S and DVB-S2 ready
  • Powerful LDPC with BCH Coding
  • Built-in ASI Data Interface
  • Web-browser user interface


SKU: SATRES-391897

IF Interface
Tx IF 50 to 180 MHz (70/140 MHz)

950 to 2050 MHz L-Band
IF Step Size 100 Hz
Frequency Stability 3 ppm
Power Output 0 to -25 dBm
Power Step Size 0.1 dB
Power Output Accuracy ± 1.0 dB
Power Output Stability ± 0.5 dB
Carrier Mute -55 dB
Spurious

    In-Band

    Out-of-Band


-55 dBc

-45 dBc
Output Impedance 75 Ohm (70/140 MHz), 50 Ohm (L-Band)
Return Loss 20 dB (70/140 MHz)

14 dB (L-Band)
Phase Noise

    @1 kHz

    @10 kHz

    @100 kHz

    @1 MHz


-73 dBc

-83 dBc

-100 dBc

-120 dBc
Output Connector BNC Female (70/140 MHz), SMA Female (L-Band)
IF Monitor SMA Female
External Reference 1, 2, 5, 10 MHz better than ±1 ppm, 1.5 to 10 Vp-p, 50 Ohms
Baseband (DVB-S) Per ETSI EN 301-210
Data Rate 1 to 238 in 1 bps steps
Inner FEC Code PTCM (8PSK, 16QAM), QPSK (Viterbi)
Code Rates QPSK 1/2, 2/3, 3/4, 5/6, 7/8

8PSK 2/3, 5/6, 8/9

16 QAM 3/4, 7/8
Outer Code Reed-Solomon (204, 188, T=8)
Interleaving Convolutional, I =12
Data Scrambling Per EN 300-421
Terrestrial Framing 204, 188, None
Baseband (DVB-S2) Per ETSI EN 302 307
Modulation Types QPSK, 8PSK, 16APSK, 32APSK
DVB Modes CCM, ACM, VCM
Data Rate 1 to 80 Mbps in 1 bps steps (QPSK)

2 to 118 Mbps in 1 bps steps (8PSK)

2.6 to 160 Mbps in 1 bps steps (16APSK)

3.5 to 190 Mbps in 1 bps steps (32APSK)
Symbol Rate 1 to 45 Msps Maximum
Terrestrial Framing 188 (1 Sync Byte, 187 Payload Bytes)
Block Size 64800 bits, 16200 bits
FEC Code BCH + LDPC
Interleaver Block Interleaver, Per ETSI EN 302 307
Code Rates QPSK:1/4,1/3, 2/5,1/2,3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10

8PSK: 2/3, 3/4, 3/5, 5/6, 8/9, 9/10

16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10

32APSK: 3/4, 4/5, 5/6, 8/9, 9/10
Baseband Roll-Off Square Root Raised Cosine 0.20, 0.25, 0.35
Terrestrial Input Clock Accuracy Better Than 400 ppm
Test Pattern Internal 215-1 and 223-1 Pseudo-Random Number Generator
Internal Clock Source Stability 10 ppm
Monitor and Control
Interface Serial RS-485 (Remote) and RS-232 (Terminal), Ethernet 10/100 BaseT (SNMP V1/V2 and Web Browser)
Parameters Controlled
  • Test Modes
  • IF Frequency
  • IF Output Level
  • IF Output On/Off
  • Data Rate
  • Symbol Rate
  • Clock Polarity
  • Data Polarity
  • Inner Code Rate
  • Modulation
  • Rolloff
  • Pilot Symbols
  • Gold Code Seq
  • Terr Framing
  • Sat Framing
Parameters Monitored Faults (Current & Latched Alarms)

Supply Voltages
Optional Interfaces (Plug-In Interface Card)
Serial DVB-ASI, G703, HSSI
Parallel RS-422 (M2P, DVB), LVDS (M2P, DVB), DSS
Ethernet 100/1000 BaseT (PRO-MPEG COP3/R2 & BRIDGE Mode)
AutoEQ™ Amplitude and Group Delay Equalization
Physical & Environmental
Prime Power 100 - 240 VAC, 50 - 60 Hz, 40 W maximum
Operating Temperature 0 to 50°C
Operating Humidity Up to 95%, non-condensing
Storage Temperature -20 to 70°C
Storage Humidity Up to 99%, non-condensing
Weight 10 lbs (4 kg)
Dimensions (1RU)(H x W x D) 1.75” x 19” x 17”

4.45 x 48.3 x 43.2 (cm)
Configuration Series DVB-S
Series 100 1 - 10 Msps, QPSK
Series 200 1 - 45 Msps, QPSK
Series 300 1 - 45 Msps, QPSK/8-PSK
Series 400 1 - 68 Msps, QPSK/8-PSK/16-QAM
Configuration Series DVB-S2
Series 100 1 to 10 Msps, QPSK
Series 200 1 to 45 Msps, QPSK
Series 300 1 to 45 Msps, QPSK/8-PSK
Series 400 1 to 45 Msps, QPSK/8-PSK/16-APSK
Series 500 1 to 45 Msps, QPSK/8-PSK/16-APSK/32-APSK
AutoEQ Specifications
Demodulator Input (PIIC Card Receiver)
Input Frequency 950-1750 MHz
Input Power -45 to -20 dBm
Input Impedance 50 Ohm (optional 75 Ohm F)
Input Connector SMA-F (optional F-type)
Es/No 0 dB min.
LNB DC Inject
Purpose Used to diplex DC power onto RF RX connector
Input Connector PP3-002A 5.5mm x 2.1mm x 9.5mm in-line DC power plug
Input Voltage 28 Volts max
Input Current 0.5 Amps max.
DM240XR Monitor and Control
Equalizer Enabled, disabled
RX IF 950-1750 MHz
EQ Calibration Reference acquire, calibration
EQ Receiver Local, remote
EQ Select 1-32 coefficient sets
EQ Rename 1-32 coefficient sets
EQ Delete 1-32 coefficient sets
EQ Restore Entire AutoEQ™ table

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