Satellite DVB-S Modulator  OutlineQPSK digital TV modulator adopts advanced digital signal processing technology, of which receiving port can directly use digital satellite receiver for receiving, thus fully complying DVB-S standard. Not only can it gain relatively high frequency spectrum usage ratio, having very strong anti-interference and relatively high price performance ratio, but also it can well comply analogue FM microwave equipment.
    QPSK digital TV modulator adopts various processing method, such as random energy spread processing, RS coding, convolution interweave, contracting convolution coding, and pre-modulating baseband shaping processing, etc. all these contribute a high guarantee to the data transmitting performance. Features* Comply with DVB-SETS300-421 QPSK modulating standard;* Frequency output range 1238-1278MHz* Adopt DDS, high stabilization of output frequency, narrow frequency step, low phase noise* Out Interface to connect 10M oscillator* Big input stream* Support input system efficient rate real time detect display and alarm display;* Output level is adjustable from 0-20dB,0.5db/step  through adjust the panel.* Interface meet AS standard;* Capacity stable and reliable, strong anti-jamming. * RF level output delay Specifications Modulate modeQPSKInput port                            ASI standard portOutput port50Ω  N headInput TS level(800±10)mVFrequency output range(1238~1278)MHzOutput frequency adjustable stepWide:125KHz, narrow:5Hz10M oscillator input level≥10dBmMax Output level≥0dBmOutput level adjustable range0~20dB(0.5 dB step)Symbol rate3~10MBaudsFEC1/2,2/3,3/4,5/6,7/8  for random optionMiscellaneous   Dimension44mm×482mm×330mmTemperature0~45°C(work); -20~80°C(storage)Power110~220VAC±10%,50/60 Hz,25WInstallation hole distance460mm **For more detailed information, please contact our salesmen.