QAM modulator

group nameCATV Headend System
Min Order1 piece
brand nameEASTEC
modelE-4101
update timeSun, 19 Aug 2012 09:44:13 GMT

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Min Order1 piece

Briefing

QAM modulator
scrambler QAM modulator: scrambler+qam
multiplexer QAM modulator: multiplexer+qam

Detailed

Overview:

QAM modulator is one of the main equipment of cable digital TV head-end, receiving data from the encoder, multiplexer, DVB gateway, scrambler, video server and other DVB transport stream, and make RS codes, convolution interleaving and QAM modulation channel processing, RF output. Use a new generation of integrated circuits BCM3034, low-power, high index.

Related products:

Scrambler QAM modulator:scrambler+qam

Multiplexer QAM modulator:multiplexer+qam

Features

. Meet DVB standard channel coding;

. Support full range of variable Symbol Rate and QAM mode;

. 8M cache, anti-burst stream;

. Data filling function;

. Support IP data injection;

. Configurable PID filter, re-mapping, PSI, SI information synchronization update;

. Support NIT table inserts;

. Real-time transport stream monitoring;

. PCR correction;

. Fixed or variable frequency output;

. Provide ASI and DS3 (Optional) Enter interface;

. Provide RF output monitoring port (-20dB);

. Local and remote control;

. LCD display in Chinese and English, easy and flexible to operate;

. High reliability design, stable operation.

. Support Annex-A (Europe) and Annex-B (America).

Technical Specification:

Modulation Mode		16,32,64,128,256,1024QAM
Symbol rate		1~7Mbaud/s
Error-correcting codes		RScode188/204
Input data code rate		1.5~51Mbps
Channel Data Rate		20~56Mbps
MER		>33dB
BER		0
Input interface		2 ASI in(DVB standard)
RF Frequency		110MHz~860MHz (agility or fixed output)
Output LEV		>=115dBmV
Output LEV adjustable range		0-16 dB(0.5 dB stepping)
Impedance		75ohm
Output Return Loss		>=12 dB
General Features	Size	44mm482410mm
	Environment	0 ~ 45(Operating);-20 ~ 80(Storage)
	Power	220VAC(-+10%),50Hz,25W
Management		Network RJ-45 10/100 M
		Keyboard + LCD