IMT VSTx, User Manual

Page: 18 / 50

VST
X
User Manual
Revision 2. 3 18
VSTx Camera Circuit
Power
Source
Host
Processor
(For VSTx
Configuration)
Antenna
Figure 2-1: VST
X
Application
2.1 VST
X
Theory of Operation
2.1.1 VST
X
Block Diagram
Figure 2-2 is a block diagram of the VST
X
internal circuitry.
Major blocks in the VST
X
include:

NTSC Composite Video Input Interface

Stereo Audio Input Interface

MPEG4 Video Compression Circuit

Data Encryption Circuit

COFDM Modulator

Microwave Transmitter and Antenna Connector

Programmers Serial Interface for Remote Control Purposes

Internal Microprocessor and Memory

USB Interface for Firmware Updates

Power Circuitry