Outline
QPSK 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.
Apply
● MMDS digital TV head end;
● Satellite digital TV broadcasting;
●Terrestrial digital TV
●Image Supervise;
● Video-On-Demand(VOD);
● Long-distance teaching;
●Video Conference.
Performance indicators
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Modulate mode
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QPSK
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Input port
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ASI standard port
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Output port
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50Ω N head
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Input TS level
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(800±10)mV
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Frequency output range
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(1238~1278)MHz/
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Output frequency adjustable step
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Wide:125KHz, narrow:5Hz
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10M oscillator input level
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≥10dBm
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Max Output level
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≥0dBm
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Output level adjustable range
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0~20dB(0.5 dB step)
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Symbol rate
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3~8MBauds
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FEC
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1/2、2/3、3/4、5/6、7/8 for random option
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Miscellaneous
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Dimension
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44mm×482mm×430mm
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Temperature
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0~45℃(work);-20~80℃(storage)
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Power
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220VAC±10%,50Hz,25W
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Installation hole distance
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460mm
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Warm tips:
Specification and picture are for reference only, the actual item is the standard, welcome to contact our seller.