Features of Satellite Trainer:

• Emulation of path loss at uplink and downlink • Emulation of frequency translation • High RF output power and low noise • PLL synthesizer in Transmitter, Receiver and Satellite • Condenser microphone and speaker for audio link • Camera and Monitor for video link • 4 Dish for linear polarization study • C/N and S/N measurement facility • Transmit Audio, Video, Digital/Analog data, Tone, Voice, function generator waveforms etc =. • Receives & demodulates 3 Signals Simultaneously Satellite Trainer

Technical Specifications

Satellite Uplinking Transmitter

Frequency : 4 channels in 5.8 Ghz band ; PLL with frequency selection switch & LED indication RF output level : +3 dBm nominal with wideband RF amplifier with no manual matching required 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 : Analog Camera/VCD compatible Waveform : upto 5MHz Function Generator Digital : Max rate 100KHz typical Baseband : Transmits 3 signals simultaneously at each uplink frequency Processor : PIC16F4 - 8 bit RISC processor based PLL with 4 Mhz clock Bandwidth : 16 Mhz Modulation : 5/ 5.5MHz Audio FM Modulation 8 Mhz Video FM Modulation Antenna : Detachable Parabolic dish with mount Inputs : separate terminals for different inputs Power Supply : 100-240VAC 47-63Hz

Satellite Trainer Downlink Receiver

Frequency : 4 channels in 5.8 Ghz band PLL Controlled ISM Band Sensitivity : -80dBm Audio 1out : Speaker inbuilt/output Audio 2 out : Speaker inbuilt/output Video Out : 5MHz, 1V p/p Digital : Max rate 100KHz typical TTL RSSI Out : Received signal strength output for C/N measurement Antenna : Detachable Parabolic dish with mount Demodulation : Receives & demodulates 3 signals simulataneously Power Supply : 100-240VAC 47-63Hz

Satellite Link Emulator

Transponder Uplink Frequency : 4 channels in 5.8 GHz band ; PLL Synthesized ISM Band with select switch Sensitivity : -80dBm Transponder Downlink Frequency : 4 channels in 5.8 Ghz band; PLL Synthesized ISM Band RF output level : 0 dBm nominal Path Loss : Variable attenuation Band limiting : 16MHz fixed typical Antennas : Detachable Parabolic Dish Power Supply : 100-240VAC 47-63Hz

Area and Scope of Experimentation:

* To set up a passive satellite communication link and study their difference. 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 polarization * 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 digital baseband signal parameters in a satcom link

Accessories:

* Camera * Monitor * Cables BNC-BNC 2Nos * Serial Communication Software