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SATELLITE COMMUNICATION LAB STC24

Amitec Satellite Communication Lab

STC24

Amitec STC24 Features:

Amitec Model STC24 Satellite Communication Lab is

the first of its kind using actual techniques of satellite

communication. It can uplink a given signal to a satellite

link emulator, which can be stationed up to 100 feet

away. The satellite will then re-transmit the same signal

at a different frequency to a downlink station, which will

receive the signal. Audio signal can be fed through a

condenser microphone provided at Transmitter and

reproduced on built-in loud-speaker at Receiver. Video

signal can be sent from camera and viewed on a video

monitor provided with the system. Actual emulation of

satellite communication link can be performed with

emulation of path loss, propagation delay, noise, fading.

* Microwave operation

* Tele-command and telemetry facility

* Manchester encoding & CRC error checking

based PC-PC communication

* Emulation of signal fading, thermal noise

* Variable propagation delay.

* Variable path loss at two ends of uplink and

downlink channels

* High RF output power and low noise

* Digital display of PLL synthesized frequency

in Transmitter, Receiver and Satellite Emulator

* Condenser microphone and speaker provided

for audio link

* Camera and monitor provided for video link

* Satellite emulator has built-in antennas,

frequency transponder for communication link

* Helix (LHCP & RHCP), Yagi, Dish & Patch

antennas provided for linear & circular

polarization study

* Signal monitoring outputs at uplink & downlink

* C/N and S/N measurement facility

Amitec STC24 Technical Specifications

Satellite Uplinking Transmitter

Satellite Downlink Receiver

Frequency :

PLL Controlled ISM Band

Display : LCD 16X2 Backlit

Spurious output : - 30 dB typical

RF Output Z : 75 Ohms Unbalanced

RF output level : +3 dBm nominal

Path Loss : Upto 35dB variable attenuation

Audio 1 : Int. 1KHz sine wave / Ext Mic

Ext. Function Generator waveform

Audio 2 : Int. 1KHz sine wave / Ext Mic

Ext. Function Generator waveform

Video : Colour/Monochrome Camera/VCD

Waveform : upto 5MHz Function Generator

Digital : Max bit rate 500KHz typical

RS232 : PC serial port compatible

encrypted input (19200, 8,N,1)

Tele-command : Selectable 4 bit binary input with

selectable 4 addresses

Enable : Telecommand Frame available at

digital input

FM deviation : Variable on audio and video/data

Frequency :

PLL Controlled ISM Band

Display : LCD 16 X 2 Backlit

RF Input Z : 75 Ohms Unbalanced

Sensitivity : -85dBm

Path Loss : 20dB typical variable attenuation

Audio 1out : Speaker inbuilt/output

Audio 2 out : Speaker inbuilt/output

Video Out : 5MHz bandwidth, 1V p/p

Digital : Max bit rate 500KHz typical TTL

Rs232 : PC serial port compatible

decrypted output (9600, 8, N, 1)

Specifications are subject to change due to constant innovation in technology.Accessories

shown are not part of standard equipment.

2.4, 2.427, 2.454 & 2.481 GHz

2.4, 2.427, 2.454 & 2.481 GHz

Mfd by: Amitec Electronics Ltd.

Regd. Off: 504, Nilgiri, Barakhamba Road, New Delhi-110001

Works: 4/32, Site-4, Industrial Estate Sahibabad, UP-201010

amitec@rediffmail.com, www.amitec.co.in

91-120-4371276, 91-9811839949, 91-9810193153

RADAR & SATELLITE

Amitec STC24 Technical Specifications

Satellite Receiver

Satellite Link Emulator

Transponder Uplink

Transponder Downlink

E-Manual: Installation DVD for ease of Learning

Optional : Spectrum Analyser SAA05

Down-converter : 479.5 Mhz output for spectrum

analysis

Telemetry : 4 bit binary LED output with

Selectable 4 addresses

Valid/Error : Tele-command Frame available at

Correction digital output

RSSI Out : Received signal strength output for

C/N measurement

Frequency : 2.4, 2.427, 2.454 & 2.481 GHz

PLL Synthesized ISM Band

Display : 16X2 LCD Backlit

RF Input Z : 75 Ohms Unbalanced

Sensitivity : -85dBm

Uplink Path Loss: 20dB typical variable attenuation

Telemetry : 4 bit binary LED output with

Selectable 4 addresses

Valid/Error : Telemetry Frame available at

Correction digital output

Frequency : 2.4, 2.427, 2.454 & 2.481 GHz

PLL Synthesized ISM Band

Display : 16X2 LCD Backlit

Spurious output : - 30 dB typical

RF Output Z : 75 Ohms Unbalanced

RF output level : +3 dBm nominal

Path Loss : Upto 25dB variable attenuation

Tele-command : Selectable 4 bit binary input with

selectable 4 addresses

Enable : Telecommand Frame available at

digital input

Test Output : Audio 1, Audio2, Video, Digital

Down-converter : To spectrum analyzer 479.5 MHz

RSSI Out : Received signal strength output for

C/N measurement

Band limiting : 18MHz fixed typical

Noise addition : Variable

Signal delay : upto

Signal fading : Variable 10dB

Antennas : Microstrip Yagi X2,

Helix LHCP X2 & RHCP X2,

Microstrip Patch X2,

25 cm dia Parabolic reflector with

0.25 f/d typical X2

Mount : Antenna mount X2

Software : PC Serial communication software

Accessories : Camera, Microphone, monitor,

Cables BNC-BNC X6, Tee

connector X2, RS 232 Rx & Tx

Cables

0.6s on Audio1 channel

Amitec STC24 Technical Specifications

Suggested related equipments:

List of Experiments:

* To set up an active & passive satellite

communication link and study their difference. To

study the advantages of satellite communication. To

study the communication satellite link design:

process of transmitting a signal to a satellite

(UPLINKING), reception of same signal via satellite

(DOWN LINKING) and functioning of transponder

of a satellite.

* To measure the baseband analog signal

parameters in a satellite link.

* To measure the signal parameters in an analog

FM/FDMTV Satellite link.

* To study the functionality of a satellite MODEM.

* To study the phenomenon of Linear and Circular

polarization of antennas.

* To measure the C/N ratio.

* To measure the S/N ratio.

* To study the effect of fading and measure the fading

margin of a received signal.

* To measure the Propagation Delay of signal in a

satcom link.

* To measure the digital baseband signal parameters

in a satcom link. To measure the range of baud rates

that the system can support.

* To send telecommand and receive the telemetry

Data and study the operation of a codec

* To setup a RS-232 satellite communication link

using RS 232 ports.

* To calculate Bit Error Rate in a satcom link.

::

Antenna design and simulation software

: Antenna training Lab ATS20

: Antenna Analyser ATS10

: Microwave Antenna Training System MAT10

: Wireless Comm. Training System WCT24

: Satellite Communication Training System STC24

: MIC Analyser MIC10

: Scalar Network Analyser SNA05

: Microwave Frequency Counter FCM10

: Transmission line Analyser TLA05

SATELLITE COMMUNICATION LAB STC24

Mfd by: Amitec Electronics Ltd.

Regd. Off: 504, Nilgiri, Barakhamba Road, New Delhi-110001

Works: 4/32, Site-4, Industrial Estate Sahibabad, UP-201010

amitec@rediffmail.com, www.amitec.co.in

91-120-4371276, 91-9811839949, 91-9810193153

Date : 28-10-2007 Submitted By: anika
Keywords :satellite, antenna, Trainer, didactic, training system
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