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

More products ED

INVERTER TRAINER ED-4280M

• Aluminum hard case structure for mobility
• Applied experiments on the motor’s rotation characteristics
• AC motor control technology using the inverter
• Interlocking experiments with Programmable Logic Controller

PC BASED RFID TRAINER ED-1450

• The electronic manual operable on PC comes with ED-1450 and e-learning is optimized by remote control of student’s operating program and evaluation of student’s online report in real time.
• Through DS-1410, it provides Variable Power Supply(VPS), Function Generator(FG), Analog Output, Digital Output needed for experiments.

SCR TRAINER ED-5060

• SCR characteristics
• Rectifier and phase control
• Trigger and gate control
• Motor speed control

DAQ(DATA ACQUISITION) TRAINER ED-4110

• Remote mode by PC and Local mode by manual operation on the panel
• Graphical display of diagrams on panel for AD/DA conversion procedures
• DSO embodiment by A/D Converter for collection and analysis of analog data on PC
• Storage of measured data and generation of 5 wave forms required for experiments through D/A Converter

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

ALLEN-BRADLEY SLC-500 MODULAR PLC TRAINER ED-4260AB

• ALLEN-BRADLEY SLC-500 PLC programming and execution
• Modularization of the devices essential for PLC I/O commands
• Experiments for basic command and various application program
• Binary data experiments with 4digits digital switch and display unit
• Customizable for various types of SLC-500 Series CPU upon request

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

NEW & RENEWABLE ENERGY TRAINER ED-9710

• Conversion processing experiments on the produced energy(power production / processing)
• Energy efficiency experiments followed by energy production and conversion
• Voltage and current characteristics curve
• Standalone or integrated operation of the energy experimental module
• Enriched teaching aids such as simulation software for power production

AM TRANSCEIVER TRAINER ED-3400

• HF band(3.5~12MHz)
• Transmitter and Receiver modules for each circuit stage
• Graphical latour of the block diagrams, plus LEDs and test points
• Covers Push-to-Talk and helps understand short wave communications

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