Specifications

1.HDMI/HD-SDI/CVBS input with unbalanced stereo
2.MPEG-2/4 for digital broadcasting TV compatibility
3.Supports PAL, NTSC

1.1 Outline

The DEXIN’s NDS3542 DVB-T Encoder & Modulator is a compact, professional digital DVB-T encoding modulator with HDMI/HD-SDI/CVBS Audio & Video input module. It can be wall-mounted or combined in 1U chassis. The LCD display operation and Web Server User Operation Interface makes it user-friendly and convenient. The NDS3542 has advantage of small dimension, carrying convenience, low power consumption, wide application and low cost, which is especially adequate for the small CATV system.

l HDMI/HD-SDI/CVBS input with unbalanced stereo

l MPEG-2/4 for digital broadcasting TV compatibility

l Supports PAL, NTSC input signal

l The audio formats are MPEG-1 Audio Layer2, AAC, AC3( optional)

l DVB-T Digital Terrestrial Television Frequency

l World-wide standard, compatible with any TV

l Injection of RF output signal at any existing wall-mounted

l Antenna socket, or at the roof antenna, distributing to all the other antenna wall-sockets and TVs of the building

l LCD display, keyboard and web operation

l Set the required parameters in minutes, via the provided software and any standard laptop

 

1.3 Specifications

l Encoder Section

MPEG-2 SD Encoder (Option 1)

Video	Encoder	MPEG-2 MP@ML(4:2:0)
	Input	CVBS*2 (Two Modules)
	Resolution	720*576(PAL), 720*480(NTSC)
Audio	Encoder	MPEG1 Layer II
	Input	Unbalanced stereo analog audio*2
	Sample rate	48KHz
	Bit rate	64kbps,96kbps,128kbps,192kbps,256kbps,320kbps

MPEG-4 AVC/H.264 HD Encoder (Option 3)

Video	Encoder	H.264/AVC High Profile Level 4.0 (HD)
	Input	HDMI*2 available & 2 backup (Two Modules)
	Resolution	1920*1080_60i,1920*1080_50i,1280*720_60p 1280*720_50p
Audio	Encoder	MPEG1 Layer II
	Input	HDMI*2 available & 2 backup (Two Modules) or SDI*2 (Two Modules)
	Sample rate	48KHz
	Bit rate	64kbps,96kbps,128kbps,192kbps,256kbps,320kbps

l Modulator Section

Standard	EN304 744
FFT mode	2K, 8K
Bandwidth	6M, 7M, 8M
Constellation	QPSK, 16QAM, 64QAM
Guard Interval	1/4, 1/8, 1/16, 1/32
FEC	1/2, 2/3, 3/4, 5/6, 7/8
MER	≥42db
RF frequency	30~1000MHz, 1KHZ step
RF output level	-30~-10dbm (81~97dbµV), 0.1db step
Standard	EN304 744
Transmission mode	2K, 8K
Bandwidth	6M, 7M, 8M
Constellation	QPSK, 16QAM, 64QAM
Guard Interval	1/4, 1/8, 1/16, 1/32
FEC	1/2, 2/3, 3/4, 5/6, 7/8
MER	≥42db