To Understand PAM Signal Generation Which Makes an Example of Natural and Flat-Top
To Know the Impact of Sampling Signal Frequency on PAM Signal At the Time Domain

To Understand PTM (Pulse Time Modulation) Signal Generation Methods
To Understand PTM Signal Characteristics at the Time Domain
To Understand the Relationship Between PWM Signal and PPM Signal

To Understand A/D and D/A Conversion Processes
To Understand the cCounter-type A/D Conversion System
To Understand the Parallel-type D/A Conversion System

To Understand the Successive Approximation-type A/D Conversion System
To Understand PCM Signal Transmission Methods

To Understand the µ-law and µ-law Companding Characteristic Curves
To Understand the Influence of Companding on Demodulation Signal

DPCM

To Know the Methods of DPCM Signal Generation and Message Signal Demodulation
To Know the Offset Binary Code, 2’s Complement Code and Signed Binary Code

ADPCM

To Know the Relationship Between PCM CODEC’s Operation Principle and Its Timing
To Know the Relationship Between ADPCM System’s Operation Principle and ADPCM Transcoder’s Timing Diagram

To Know LDM Signal Generation and Message Signal Demodulation Methods
To Know the Shapes of Slope Overload Noise and Granular Noise Generated in ?M System

To Know ADM Signal Generation and Message Signal Demodulation Methods
To Know the Methods of Oblique Overload Noise Prevention in CVSD Demodulation System

To Know ?-? Demodulation Principles and S/N Improvement Methods
To Know the Impact of Oversampling and Noise Shaping On the S/N Ratio at ?-?Eemodulation

Features:

Modularized by each communicarion type
PAM, PTM, PCM, DPCM, ADPCM, LDM, ADM, Delta-sigma
No need to have additional generators (built-in power supply and signal source)
Can display the test point and measure signals using an oscilloscope

Alte produse ED

6-AXIS MULTI JOINT ROBOT TRAINER ED-VP6

• Experiments on the industrial robot being used in real life
• Teaching pendant in 7.5wide color touch panel
• Standard language for the international industrial robot
• Simulation software in three dimension

LOGIC TRAINER ED-1100A

• Unique logic cards(TTL/CMOS)
• Internal pulse outputs
• 3-stage Logic Monitor
• BCD indication

NEW & RENEWABLE ENERGY TRAINER ED-9720

• Conversion experiments on the produced energy(power production/processing)
• Characteristics of Solar Cell module’s voltage and current
• Alarm beep for wrong wire placement
• Voltmeter and ammeter as included for measuring AC and DC
• Control by PC and waveform and graph output

CONVEYOR CONTROL SIMULATION UNIT CU-4001

• Belt-type conveyor simulator
• Control Modes : manual or automatic by programmable Logic Controller
• Three photo sensors and two motion solenoids

INVERTER MOTOR TRAINER ED-4304

• Practical training on inverter and 3-phase induction motor operations
• Control experiments using a PLC module (in use of D/A module)
• Feasible contact-type PLC control
• Carrying case type structure for convenient storage and mobility

SQUIRREL CAGE INDUCTION MOTOR/ DC GENERATOR MG-5212

• Start and load characteristics of squirrel cage induction motor
• Alteration of the rotative directions of squirrel cage Induction Motor
• Slip speed and torque of induction motor
• Induction motor’s no-load power factor and load power facto

DC SERVO TRAINER ED-4400B

• Analog feedback loop & DC servo system
• Modularized by the function of servo circuits
• Overload protection for the servo amp's and power supply's output

SENSOR TRAINER FOR FACTORY AUTOMATION ED-6830

• Integrated sensor training system covering electricity, electronics, automation and chemistry
• Consists of 24 sensor modules, 8 application modules, 5 conversion modules, 2 signal prossing modules, 11 pneumatic components and power supply
• PC-based control for convenient, effective data collection and analysis
• Application module experiments(illumination, pneumatic auto coor, motor, temperature) for enhancing field experiences

MULTIPLEXED COMMUNICATION TRAINER ED-2990

• PLL and Digital Synthesizer
• PAM, PCM, FDM and FSK Modem
• 10types of module including DC Power Supply

OPTICAL COMMUNICATION TRAINER ED-2980

• E/O and O/E conversion and characteristics
• Optical PCM communication(trasmission&reception)
• Optical Data communications using personal computer
• DC power supply, a roll of fiber cable and the microphone included as peripherals