Specifications

QPSK Modulator
1.QPSK modulating standard
2.Ports complying ASI, SPI standard
3.Achieving MMDS effect with FM microwave

COL5500 QPSK Modulator

 

COL5500 QPSK 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.

COL5500 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. In a word, its a high performance QPSK modulator fortransmitting digital TV and other digital signal.

 

Features 

# Complying DVB-SETS300-421 QPSK modulating standard

# IF output frequency range 450MHZ~950MHZ or 950MHz~2150MHz

# Build-in frequency synthesizer, support uplink frequency conversion in U bandor L band

# Ports complying ASI, SPI standard

# Achieving MMDS effect with FM microwave

 

Specification 

 

Modulating Mode		QPSK
Input Port	ASI	DVB Standard
	SPI
Output port	Impedance	75Ω
	Type	F Head
RF Output range		250-750MHz,450Mhz-950Mhz 950-2150MHz
Symbol Rate		3~8MBauds /20-45 MBauds
MER		≥14dB
BER		≤1X10-8
Output level adjustment		0-20dB(0.5dB stepping)
FEC		1/2,2/3,3/4,5/6,7/8(optional)
Miscellaneous	Dimension	44mm´482mm´410mm
	Temperature	0-45°C(Operating); -20-80°C(Storage)
	Power	110-220VAC±10%,50Hz,60HZ,25W