SFT3401 QPSK modulator is a high performance modulator developed according to DVB-S (ETS300-4221) QPSK standard. It has powerful spectral efficiency, advanced anti-jamming and competitive price-performance ratio. Apart from these, this modulator also has access to FM microwave device. Moreover, to guarantee the high transmission performance, this QPSK modulator adopts the disposal of energy diffusing, RS coding, convolution interlacing and pre-modulated baseband shaping. To sum up, all the approaches make this NDS3401 QPSK modulator can be widely used in Broadcasting, Interactive Services, News Gathering and other Broadband satellite applications.

 

  Fully complying with DVB-S (ETS300-421) QPSK standard

  Output frequency range: 950~2150MHz

  ASI standard Input connector

  Supporting local and remote control

  Output level attenuation

  High stability and powerful anti-jamming performance

  Full-size front panel LCD display and keyboard

Specifications Modulation QPSK Input ASI Standard connector  Output 50Ω F Type RF Range 950~2150MHz Symbol Rate 1.5M~45Mps Roll-off factor Option 0.35、0.25、0.20 Convolution Option 1/2、2/3、3/4、5/6、7/8 Output level range 0~20dB in 1dB step Environment 0 ~ 45℃（operation）；-20 ~ 80℃（storage） Power Supply ~220V(~180V-~250V)  50Hz~60Hz 20VA Dimension 44mm´482mm´430mm(H*W*D)