Pulse Modulations Trainer EMDA/P

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Categories: Alat Simulator
Type: Communication
Section:Education
Seller:    Rayastock

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The Pulse Modulations Trainer, “EMDA/P”, is a complete modulations trainer designed to explain the basic concepts of pulse modulation. It covers the principles of many of the modulation and demodulation techniques used in modern communication systems. The trainer provides a basic understanding of the concepts behind pulse communications techniques: Pulse Code Modulation (PCM), Pulse Amplitude Modulation (PAM), Pulse Width Modulation (PWM), Pulse Density Modulation (PDM), Pulse Position Modulation (PPM). Finally, it allows students to study the basic principles of Time Division Multiplexing (TDM) and Frequency Division Multiplexing (FDM) are introduced.


All elements are mounted in a metallic box, with power supply and block diagram.

Functional blocks:

 Modulators and demodulators:

 Pulse Code Modulation (PCM):

 Sample & Hold circuit.

 Analog to Digital Converter (ADC).

 Parallel to Serial circuit.

 Serial to Parallel circuit.

 Digital to Analog Converter (DAC).

 Filter.

 Pulse Amplitude Modulation (PAM):

 Sampler circuit.

 Filter.

 Pulse Width Modulation (PWM):

 Sawtooth Generator circuit.

 Comparator circuit.

 Filter.

 Pulse Density Modulation (PDM):

 Sawtooth Generator circuit.

 Comparator circuit.

 Filter.

SPECIFICATIONS

Pulse Modulations Trainer

EMDA/P

13 www.edibon.com

1.- Basic principles of PCM modulation and demodulation.

2.- Basic principles of PAM modulation and demodulation.

3.- Basic principles of PWM modulation and demodulation.

4.- Basic principles of PPM modulation and demodulation.

5.- Basic principles of PDM modulation and demodulation.

6.- Basic principles of Delta modulation and demodulation.

7.- Introduction to the work principle of TDM.

8.- Introduction to the work principle of FDM.

- Electrical supply: single-phase, 220 V/50 Hz or 110 V/60 Hz. EMDA/P:

 - Dimensions: 490 x 330 x 310 mm approx.

 (19.29 x 12.99 x 12.20 inches approx.)

 - Weight: 20 Kg approx.

 (44 pounds approx.)

EXERCISES AND PRACTICAL POSSIBILITIES

REQUIRED SERVICES DIMENSIONS AND WEIGHTS

- EDAS/VIS-0.25. EDIBON Data Acquisition System / Virtual

Instrumentation System (250.000 samples per second).

- EDAS/VIS-1.25. EDIBON Data Acquisition System / Virtual

Instrumentation System (1.250.000 samples per second).

RECOMMENDED ACCESSORIES (Not included)

 Pulse-Position Modulation (PPM):

 Pulse Generator circuit.

 Samplers circuits.

 Phase Shifter.

 Filters.

 Delta Modulation (∆M):

 Sample Generator circuit.

 Comparator circuit.

 Integrators circuit.

 Amplifiers.

 Filters.

 Time Division Multiplexing (TDM):

 Multiplexer and Demultiplexer.

 Synchronization circuits.

 Frequency Division Multiplexing (FDM):

 Local Oscillators.

 Mixers.

 Adder circuit.

 Band-Pass Filters.

 Low Pass Filters.

 Analog Generators:

 Two audio signals.

 Two carrier signals.

 Five analog Inputs.

 Ten analog Outputs.

 28 test points.

 Two controls.

Cables and Accessories, for normal operation.

Manuals: This unit is supplied with the following manuals: Required Services, Assembly and Installation, Starting-up, Safety, Maintenance

& Practices Manuals.