Comtech Radyne DVC240XR Digital Video Broadcast Modulator

Supports Data rates from 1 238 MBPS
CCM, VCM, ACM Capable
DVB-S to 68 Msps, DVB-S2 to 45 Msps

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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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What to Expect

Policies and Procedures

Comtech Radyne DVC240XR Digital Video Broadcast Modulator

DVC240XR DVB Modulator

DVC240XR Features