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Comtech Radyne DVC240XR Digital Video Broadcast Modulator

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  • DVB-DSNG to 68Msps - 238 Mbps
  • CCM, VCM, ACM Capable
  • BUC 10 MHz available
  • Monitor Port Available


SKU: SATRES-15364

IF Interface
Tx IF 50 to 90 / 100 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, -20 dB at L-Band Monitor
Power Step Size 0.1 dB
Power Output Accuracy ± 1.0 dB over temp / frequency
Power Output Stability ± 0.5 dB over 24 hours
Carrier Mute -55 dB
Spurious -55 dBc, In-Band

-45 dBc, Out-of-Band
IF Impedance and Connector 75 Ohm (70/140 MHz), BNC-F

50 Ohm (L-Band), SMA-F

Monitor (L-Band), Type F-F
Return Loss 13 dB (70/140 MHz)

7 dB (L-Band), Monitor not specified
Phase Noise

    @1 kHz

    @10 kHz

    @100 kHz

    @1 MHz


-73 dBc

-83 dBc

-100 dBc

-120 dBc
External Reference 1, 2, 5, 10 MHz better than ±1 ppm, 1.5 to 10 Vp-p, 50 Ohms
Rolloff 20%, 25% or 35%
Baseband (DVB-S, DVB-DSNG) Per ETSI EN 301-210
Data Rate In 1 bps Steps 1 to 238, within symbol rate limit
Symbol Rate 1 to 68 Msps
Code Rates QPSK 1/2, 2/3, 3/4, 5/6, 7/8

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

16-QAM 3/4, 7/8
Baseband (DVB-S2) Per ETSI EN 302 307
Data Rate 1 to 190 Mbps, 1 bps steps within symbol rate limits
Symbol Rate 1 to 45 Msps
DVB Modes CCM, ACM, VCM
Terrestrial Framing 188 (1 Sync Byte, 187 Payload Bytes)
Frame Type 64800 bits normal, 16200 bits short
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

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

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

32-APSK: 3/4, 4/5, 5/6, 8/9, 9/10
Interface, Physical & Power
Unit Management Serial RS-485 / RS-232 (Terminal), Ethernet 10/100 BaseT Web Browser SNMP v1 and v2
Data Interface Parallel TTL, HE 10 50 connector
Weight 1.5 pounds (0.68 kg)
Size 10 W x 12 D x 0.8 H inches

254 W x 305 D x 20 H mm
Power +5, +12, -12 VDC <30W

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