Communications Trainer

Showing 19–27 of 28 results

Communications
Local Area Network Trainer
The Local Area Network Trainer provides the student with an understanding of the fundamentals of networking. Student gain a knowledge of the different network layers, cable design and the building of complete networks used in computing. The student can understand and implement various topologies using different IEEE standards. Connections can be made in different topologies and data can be transferred. Topics covered include the protocols and topologies used in networking, measurement of error rate, throughput and the effect of errors on protocols. The versatile software provided with the LANT will allow the student to observe the various effects and configurations on network along with the graphical representation.

Experiments:
- Addressing in TCP/IP
- PING Command
- Implementation of cable designs in Networking
- Implementation of PC to PC with IEEE 802.3
- Implementation of Peer to Peer Network
- Implementation of Client- Server Network
- Implementation of Star topology using 100Base Tx
- Implementation of Bus topology using 10Base2
- Implementation of Ring topology using DB9
- CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
- Token Ring Protocol
- Token Bus Protocol
- Flow Control
- Socket Programming
- Wireless LAN
Key Features
- PC to PC communication with IEEE 802.3
- Peer to Peer network
- Client – Server network
- Design of Star topology using 100Base-Tx
- Design of Bus topology using 10Base-2
- Design of Ring topology using DB9
- Creation of cables for network connections
- Socket programming and processing
- Data Encryption and Decryption
- Various LAN Protocols
- Data rate up to 100Mbps
- Variable packet size
- Variable packet delay
- Error generation (Manual and Auto)
- Switch faults in both hardware and software
(0 reviews)
Communications
Microwave Intergrated Circuit Trainer
The MTT7208 Micro-strip Microwave Trainer with Microwave Integrated Circuits (MIC) includes instruments and accessories for studying the characteristics of any MIC component over the frequency range 2.2 to 3 GHz.

The Trainer teaches the characteristics of all components listed below, by measurements of transmission loss and reflection loss. Theory, background of the components and experiments are provided in the teaching manual.

Experiments:
- PC to PC Data Communication using MIC components
- Measurement of transmission loss and reflection loss
- Measurement of substrate dielectric constant using ring resonator
- Measurement of power division, isolation and return loss characteristics
- Measurement of coupling, isolation and return loss characteristics
- Measurement of coupling and directivity
- Measurement of Low Pass filter characteristics
- Measurement of Band Pass filter characteristics
- Measurement of Band Stop filter characteristics
- Measurement of characteristics of Patch antennas
- Measurement of characteristics of an MIC amplifier
Key Features
- Supplied with generator, MIC components and meter
- PC to PC Data Communication
- Generator with Internal AM and FM
- Antenna Radiation Pattern Measurement
- Directivity and Gain Measurement
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Communications
Noise Audio-Amplifier
The Communication Trainer 7505 Noise Audio amplifier is part of an analogue communication range which provides all the necessary inputs, test points and connections for experimentation. The 7505 trainer teaches the students the principles of noise interference in electronics and communications. The students can use the audio amplifier to increase the signal noise to observe the effects via the on board load speaker.

Experiments:
- Examine the operation of a noise generator
- Examine the operation of a signal attenuation network
- Measurement of the power output
- Measurement of frequency response
- Analysis of distortion with square wave
- Measurement of noise figure
Key Features
- Examine the operation of a noise generator
- Examine the operation of a signal attenuation network
- Measurement of the frequency response and power output
- Functional Blocks indicated via on board mimics
- On board loud speaker
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Communications
PAM-PPM-PWM Modulation/Demodulation Trainer
The Bytronic 7410 PAM-PPM-PWM pulse modulation/demodulation trainer can be used to study Sampling, Pulse Modulation, Demodulation and Signal reconstruction processes. Separate circuits are provided for each technique.

Experiments
- Pulse Amplitude Modulation using natural and flat top sampling
- PAM using sample and hold sampling
- Pulse Amplitude Modulation and Demodulation with sample, sample and hold and flat top
- PPM using DC input
- PPM using sine wave input
- PPM demodulation
- PWM using different sampling frequency
- Pulse Width Demodulation
- Voice link using Pulse Amplitude Modulation
- Voice link using Pulse Position Modulation
Key Features
- PAM-PPM-PWM Modulation & Demodulation techniques, using Natural & Flat-top sampling
- Analog Sample, Sample & Hold and Flat-top outputs
- Selectable 4 different sampling pulse frequencies on board
- Voice Communication using dynamic microphone & speaker
- On-board Filter and AC Amplifier
- 8 Switched Faults
(0 reviews)
Communications
Pulse Amplitude Modulation/Demodulation Trainer
The unit is one of a range of digital communication trainers and provides all necessary inputs and connections for students to study pulse amplitude modulation / demodulation techniques, time division multiplexing and demultiplexing of signals and signal reconstruction.

Experiments:
- Study of pulse amplitude modulation technique
- Study of time division multiplexing and demultiplexing
- Study of PLL as frequency multiplier to generate clock from sync signal
- Study of effect of varying duty cycle of sampling pulse on signal reconstruction
- Study of 3 modes of operation to regenerate original signal
- 3 connections between transmitter and receiver (clock, sync & information)
- 2 connections (sync & information). Clock regenerated at receiver
- 1 connection (information only). Clock and sync derived at receiver
Key Features
- Crystal controlled Clock
- On-board signal generator (Synchronized) DC and Sine
- On-board pulse generator
- Demonstrates sampling and reconstruction as per Nyquist criterion
- 4 Analog input channels (TDM-PAM)
- Four switch selectable sampling frequencies
- Pulse duty cycle selectable
- Generation of clock at receiver by PLL system
- 4^th order Butterworth L. P. Filters
(0 reviews)
Communications
Pulse Code Modulation Receiver Trainer
This communication trainer 7404 is one of a range of digital communication trainers and provides all necessary inputs and connections for students to study decoding and demultiplexing of data transmitted by model 7403, the pulse code modulation transmitter. On-Board PLL provides regeneration of clock. Synchronization between transmitter and receiver is provided by pseudo random code.

Experiments:
- Study of pulse code modulation
- Study of A/D conversion
- Study of control signals and their timing
- Study of time division multiplexing
- Study of synchronization by pseudo random code
- Study of error check codes
- Three modes of operation to regenerate original signal
Key Features
- Input accepts two channel multiplexed data
- On-board demultiplexed PCM receiver
- On-board Low Pass Filter
- Fast and slow modes for real time operation and data flow examination
- On-board PLL for clock regeneration
- On-board sync code detector
- Error check code option
- Odd or even parity – single bit error detection
- Hamming code single bit error detection and correction
- Switched faults allow different error check code options
(0 reviews)
Communications
Pulse Code Modulation Transmitter Trainer
The 7403 is one of a range of digital communication trainers and provides all necessary inputs and connections for students to study pulse code modulation transmission techniques. A communication link can be established by using model 7404, the pulse code modulation receiver.

Experiments:
- Study of pulse code modulation
- Study of A/D conversion
- Study of control signals and their timing
- Study of time division multiplexing
- Study of synchronization by pseudo random code
- Study of error check codes
- Three modes of operation to regenerate original signal
Key Features
- Functional blocks indicated via on board mimics
- Test points
- Crystal controlled clock
- On-board sine generator (synchronized)
- 2 TDM analog channels
- PCM transmitter
- Fast and slow modes for real time operation and data flow examination
- Error check code options (odd-even parity, hamming code)
- 4 switched faults allow different error check code options
(0 reviews)
Communications
Sampling and Reconstruction Trainer
The unit is one of a range of digital communication trainers and provides all necessary inputs and connections for students to study signal sampling and reconstruction techniques.

Experiments:
- Sampling and reconstruction of signal.
- The effect of II order and IV order low pass filter on reconstructed signal.
- The effect of sample amplifier and sample and hold amplifier on reconstructed signal.
- The Nyquist criteria for sampling and reconstruction of signal.
- The effect of sample /hold circuit on reconstructed signal
- Effect of sampling pulse duty cycle on the reconstructed signal in sample and sample hold output.
- Comparison responses of 2nd order and 4th order LPFs.
- Verification sampling and reconstruction data transmission scheme for
Key Features
- Functional blocks indicated via on board mimics
- Crystal controlled pulse generator
- Demonstrates sampling and reconstruction as per Nyquist criterion
- 6 Selectable sampling Frequencies
- Sampling Pulse Duty Cycle Selectable
- Internal / External sampling input selectable
- Separate Sample and sample/Hold outputs
- On-board 2^nd order and 4^th order low pass filters
(0 reviews)
Communications
Satellite Communication Trainer
The Satellite Communication Trainer 7272 provides an in-depth study of a basic satellite communication system. It consists of an Uplink Transmitter, Satellite Link and Downlink Receiver, which can be conveniently placed in the laboratory. The satellite can be placed at an elevated position if required. The satellite transponder receives signals from an Uplink Transmitter and retransmits at different frequencies to a Downlink Receiver. The Uplink and Downlink frequencies are selectable and carry three signals – Video, Audio, Voice and Data simultaneously. Any broadband signal, digital/analogue data or function generator waveforms can be communicated through the Satellite link.

Experiments:
- Understanding the concepts of satellite communication
- Establish a direct communication link between Uplink Transmitter and Down link Receiver using tone signal
- To setup an active satellite link and demonstrate link fail operations
- To establish an audio-video transmission through a Satellite link
- Study base-band analogue signal (voice) in satellite link
- Transmission and reception function generator waveforms through satellite link
- Transmission tone through satellite link
- Establish PC to PC communication using satellite Communication Link
Key Features
- Simultaneous Communication of three different signals at each up-linking frequency
- 2414-2468 MHz PLL microwave operation
- Crystal Control Frequencies
- Communicate Audio, Video, Digital data, PC data, Tone, Voice,
- Function generator waveforms
- Communication of external broadband digital and analogue data and base-band signals
- Choice of different transmitting and receiving frequencies
- Built-in microphone and speaker for Voice and Audio link
- Detachable Dish Antenna at each station
- Facility to attach Analogue/Digital communication kits
(0 reviews)