Additional information
| Brand | Bytronic |
|---|
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
- 4th order Butterworth L. P. Filters
Extended WarrantyRelated products
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CommunicationsSatellite 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
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CommunicationsFrequency Modulation/Demodulation Trainer
The 7503 Frequency Modulation and Demodulation trainer is part of an analogue communication range which provides all necessary inputs, test points and connections for experimentation. The 7503 trainer provides the students with an introduction into frequency modulation/demodulation and various experiments can be performed to teach the students the process of FM generation and detection. The students will interact with the trainer by observing the waveforms and signals via various on board test points.
Experiments
- Frequency Modulation using Varactor Modulator
- Frequency Modulation using Reactance Modulator
- Operation of Detuned Resonant Circuit
- Operation of Quadrature Detector
- Operation of Phase-Locked Loop Detector
- Operation of Foster – Seeley Detector
- Operation of Ratio Detector
Key Features
- Functional Blocks indicated via on board mimics
- Test points
- Switched Faults
- On board audio oscillator, modulators, demodulators, amplitude limiter, filters and mixer/amplifier.
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