1
CHAPTER 1 Product Introductions
General Description
DEXIN NDS3524 HD&SD encoder & modulator is designed based on consumer electronics which allow
audio/video signal input in TV distributions with applications in home entertainment, surveillance control, hotel
Digital Signage, shops etc.
It is an all-in-one device integrating MPEG-4 AVC/H.264 encoding and modulating to convert audio/video signals
into DVB-T RF out.
The signals source could be from STB, satellite receiver, closed-circuit television cameras and antenna etc. Its
output signal is to be received by a DVB-T standard TVs or STBs etc.
Working Principle
Technical Specifications
HDMI Encoding Section
Encoder
DVD
M
onitor
Camera
STB
/
IRD
Closed Circuit TV
PC
Modulator
Combiner
NDS
3524
HD Encoder Modulator
RF in
RF out
TV
+
AV to the
distribution
network
SAT
Attenuation
:
10
dB
A
/
V Input
