DVB-S Modulator

Technical Specification

TS Input:Fully complaint with EN 50083 ASI interface standardSupport 188/204 packet length,Packet mode and Burst mode1 ASI TS Input, 1 ASI loop output1 DVB SPI InputMax Bit Rate: 70Mb/sConnector type: BNC female, Impedance 75Ohm

Optional TS Input:Compliant with E3/DS3 interface standardSupport 188/204 packet lengthE3/DS3 Input and loop outputBit Rate: 34.368Mb/s or 44.736Mb/sConnector type: BNC female, Impedance 75Ohm

Build in Test Signal:?PRBS TS Sequence, Null Symbol Insertion,

Modulation and channel coding: FEC: 1/2,2/3,3/4,5/6,7/8Constellation: QPSKSymbol Rate: 1-45MBaudsRolling Factor: 0.25

RF Output:Central frequency: 950MHz to 2150MHzSignal level(Main): 0dBm +/- 2dBAttenuation adjustable 0 to 15dBm by 0.5dB stepSignal stability: +/- 1.0dB,+/-10kHzModulation error ratio(MER): >36dBShoulder: >48dB Spurious: 50dB relative to the total powerReturn loss: >15dBConnector type: N female, Impedance 50 Ohm

RF Amplifier Option:Ultra linear amplifier for L BandGain 15- 25dB, Gain Flatness <1dBGain Stability <0.1dBReturn loss: >15dB

RF Test Signal: Output Level : -20dBConnector: BNC female, Impedance 75 Ohm

Alarm and Control: Local control: 6 buttons, LCD screen, LEDDB-9 with 2 contact relays for alarms: TS Loss, Bit Rate Overflow, RF problem, etcRemote control: User friendly man machine interface Though RS-232 port

Physical conditions: Power supply: AC 90-260V+/-10%, 80WOperating temperature: 0-50 degreesStorage Temperature: -10-70 degreesHumidity 10%-80% at 50 degreesDimension: L=540mm, W=483mm, H=44mm (1RU)Weight: Net 7 kg, Gross 10 kg