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PAM, PPM, PWM Techniques and Line Coding Techniques
Product Description
Scientech 2801 provides an extensive hands on learning on PAM, PPM, PWM and Line Coding Techniques.
Scientech 2801, PAM, PPM, PWM Techniques and Line Coding Techniques is an ideal teaching aid to enhance education, training, skills & development amongs our young minds.
Product Features
- Modulator and Demodulator on same board
- Different type of sampling, Natural, Flat top, sampled and hold
- On-board DDS Signal Generator for standard and arbitrary signals
- Selectable sampling frequencies for PAM
- Selectable Ramp frequencies for PWM and PPM
- On board 2nd order Butterworth low pass filter
- SMD LED Indicators
- Can be issued just like a book for hands-on learnings
Scope of Learning
PAM Modulator & Demodulator
Study and Analysis of:
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Pulse Amplitude Modulation(PAM).
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Nyquist sampling rate.
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Natural sampling with different types of message signals at different frequencies.
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Flat top sampling with different types of message signals at different frequencies.
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Sample & Hold output with different types of message signals at different frequencies.
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Under sampling by varying the message frequency and sampling rate.
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Second order Low Pass Butterworth filter.
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Demodulation of Sample & Hold output with Second Order Low Pass Butterworth filter.
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Analyze all these Natural sampling, Flat top sampling and Sample & Hold output simultaneously and observe the difference.
Line Coding Techniques
Study and Analysis of:
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Different Line Coding techniques.
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Different 8-Bit, 16-Bit and 32-Bit Pattern Generator by changing Pattern selection.
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NRZ Unipolar.
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NRZ Polar.
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RZ Bipolar.
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RZ Unipolar.
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Manchester.
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Analyze all types of Line coding outputs simultaneously and observe differences.
PWM Modulator & De-modulator
Study and Analysis of:
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Pulse Width Modulation(PWM) and Demodulation.
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Single bit PWM output by varying the Ramp frequency and signal type.
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PWM demodulated output by varying the Ramp frequency.
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Sample & Hold output of demodulated PWM signal.
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Second order Low Pass Butterworth filter.
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Analyze the final PWM demodulated output with Second order Low Pass Butterworth filter.
PPM Modulator & De-modulator
Study and Analysis of:
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Pulse Position Modulation(PPM) and Demodulation
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Single bit PPM output by varying the Ramp frequency and signal type.
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Sample & Hold output of demodulated PPM signal.
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Second order Low Pass Butterworth filter.
-
Analyze the final PPM demodulated output with Second order Low Pass Butterworth filter.
Technical Specification
Modulation & Demodulation Techniques: PAM, PWM, PPM, Line Coding Techniques
Internal Signal Generator: Direct Digital Synthesizer
Types of Signal: Sine, Square, Triangle, Arbitrary signals.
Frequency: 500Hz, 1KHz, 2KHz, 3KHz
External Signal:
Types of Signal: Sine, Square, Triangle, Arbitrary signals
Maximum Input Voltage: 3Vpp (Max.) +1.5V DC offset
Frequency: 500Hz to 3.5KHz
Sampling/Ramp Frequencies: 1.25KHz, 2.50KHz, 5KHz, 9.80KHz, 19.53KHz, 39.06KHz, 78.13KHz
SMD LED Indicators: 46 nos for DDS signal selection DDS signal frequency selection Sampling selection Technique Selection Interconnect path
Crystal Frequency: 20MHz
Selection Mode: Push switches
Random Data: 8 Bit/ 16 Bit/ 32 Bit
Data Frequency: 500Hz, 1KHz, 2KHz, 3KHz
Test Points: 29 nos.
Product Tutorial: Online on www.ScientechLearning.com
Low Pass Filter: Cut-off frequency-5KHz
Dimensions (mm): W 326 x D 252 x H 52
Power Supply: 110V - 260V AC, 50/60Hz
Weight: 1.5Kg (Approximately)
Operating Condition: 0-40 C, 85% RH
Included Contents: 2mm Patch cord - 2nos
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