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

300W WIND GENERATOR KIT ED-9732

• Inverse current protection
• Built-in charge controller and bulit-in battery
• Overcurrent/electric discharge protection
• 360° rotation by the direction of wind
• Configurable composite structure by adding optional

RFID APPLICATION TRAINER ED-3710

• F/W program practices for RFID Reader
• 13.56MHz and 900MHz in common use
• Data Read/Write to 900MHz Tag
• ED-3710 application programming (13.56MHz, 900MHz)
• Fixed Type RFID Reader

SENSOR APPLICATION TRAINER ED-6800B

• Inverting, Non-inverting and Differential Amplifiers
• Comparator Circuit
• Voltage and Current Circuit

MOTOR / GENERATOR TRAINER UNIT MG-5216

• RIM’s no-load power factor and load power factor
• Load characteristics of separately excited DC shunt-wound generator
• No-load saturation characteristics of generator
• DC shunt-wound generator’s loss and power factor

MULTIPLEXED COMMUNICATION TRAINER ED-2990

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

COMPONENTS OF HYDRAULICS TRANSPARENCY THT-7964-1

• Maximum Operating Pressure : 3Mpa(30kgf/cm2)
• Hose’s Diameter : Outside �6/Inside �4
• Hose’s Length : 1500mm
• Rectangular Block Type

MICROWAVE TRAINER ED-3000

• Gunn Oscillator base system
• Directional Coupler & Horn Antenna
• Frequency : 9GHz~11GHz (X-Band)
• Microwave output : 15mV

EMBEDDED SOFTWARE DESIGN PLATFORM ED-255EK

• Basic to advanced learning courses for Embedded Linux
• Intel PXA255(400MHz) high-performance microprocessor
• 6.4TFT LCD, Ethernet 2port, Serial 3port, PCMCIA/CF/MMC interfaces
• FPGA Chip(Altera Cyclone 120,000Gate) mounted for SoC experiments
• Reliable hardware and abundant experiment contents for programming

LED LAMP TRAINER ED-9810

• Practice basic method how to operate such as basic peration, Constant voltage, Constant current, serial connection, and arallel connection
• Brightness control, Color control, and lighting
• Simulation for Steady/PWM

WOUND-ROTOR INDUCTION MOTOR/ DC GENERATOR MG-5213

• Load characteristics of shunt-wound and compound generators
• Generator’s speed and output by winding type
• Loss and efficiency comparisons by winding type