MKQ-660 QPSK digital television modulator adopts advanced digital signal processing technology, fully in line with DVB-S standards. It can not only take higher frequency spectrum utilization, but also have strong anti-interference and high cost performance.

 

MKQ-660 QPSK digital television modulator, in the handling of data flow, adopts random processing of energy diffusion, RS coding, convolution intertwined, and contract convolutional code, modulation before forming the base-band processing, ect., to ensure the data transmission performance. 

 

 

★   QPSK modulating

★   Input interface accordance with ASI standard

★   Roll-off factor:  0.15

★   IF frequency output range   

Conventional input：930MHz ～ 2250MHz

Optional output：450MHz ~ 950MHz

★   Level output range: -30dBm ～ 0dBm（±2dBm）

★   Code rate of internal code  1/2  2/3  3/4  5/6  7/8  CW（set by user）

                 CW refers to carrier wave output，output level -10dBm

★   Stream speed 1/2：1.8Mbits~41.5Mbits

                       2/3：2.45Mbits~55.5Mbits

                       3/4：2.75Mbits~62.3Mbits

                       5/6：3Mbits~70Mbits

                       7/8：3.2Mbits~73Mbits

★   Power supply:    220V±10%

★   Overall power consumption:    15W

 

2  Panel and Identification

 

§2.1  Front panel

Picture 1   Front panel

 

§2.2  Back panel

 

Picture 2   Back panel

 

 

1  IP input interface:　Ts OVER IP

2  Network Management port of native machine

3 ，4　 ASI input port

5   IF output

6  Power socket、switch

7  Earth terminal