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

OP-AMP CIRCUIT TRAINER ED-6000

• OP-Amp. characteristics and various appplication circuits
• Main Frame contains DC Power Supply, AF Signal and Frequency Counter

ANALOG LAB UNIT ED-2200

• AF Generator and Frequency Counter(built-in)
• Dual DC Power Supply(5/6V, 9/12/15V)
• Decade Capacitor(2 digits) and Programmable Resistor

ED PSA-3000 SPECTRUM ANALYZER 9 KHZ..3 GHZ

• High-performance digital synthesizer method
• Wide Frequency Coverage : 9 kHz ~ 3.0 GHz
• Superior Resolution : Minimum 1 Hz
• Compact & Portable size
• Pre Amp as standard
• Wide Input Dynamic Range : -130 ~ 20 dBm
• Various and Convenient Interfaces : USB, LAN

MICROPROCESSOR COMBO II ED-4513

• Mountable 5pieces MCU(8051,PIC, ATmega128, ATmega8535, upd78F0547)
• Practice of various communications such as RS-232 USB and Ethernet
• SoC experiments using the default FPGA (EP1C4F324)
• Storage of sensor data display and excel data using UI(LabVIEW)

MODULAR SEQUENCE TRAINER ED-4010P

• Aluminum Profile-based work table structure for mounting the components
• Manufacturing electrical composition elements in modular type using actual components
• Wiring practices and circuit composition to configure sequence composition elements on the working board
• Various contents linked with e-learning such as wiring, operation and etc.

MICROPROCESSOR COMBO ED-4512

• Mountable 5 type of MCU(8051,PIC, Atmega128, Atmega8535, Upd78f0547)
• Practice of various communications such as RS-232 USB and Ethernet
• Practice from basic I/O exercises to sensor application exercises with 5 MCU’s
• Possible of various practice by using of Bread Board and I/O Expansion Port
• Storage of sensor data display and Excel data using UI(LabVIEW)

PC BASED BASIC ED-1420

• 15 experimental modules for basic electricity/electronics and analog & digital circuits
• Capable of real time measurement on PC by linking it to CBIS-1400 model.
• By connecting PC to the Docking station, contact control is implemented on MMI(HMI) based software
• Report on experimental results & electronic manual on PC

RFID APPLICATION TRAINER ED-3100

• Various types of test point for Air-interface experiments
• Anti-collision function
• OCX Library useful for application engineers
• 13.56MHz I-CODE Type in common usage
• Capability of reading and writing data on Tag

HYDRAULICS TRAINER ED-7960

• Convenient parts fixation by �one-touch lever’ bases and aluminum profile structure
• Efficient space utilization by mounting parts horizontally/vertically
• 64 hydraulic and electrical/electronic parts plus 20 types of optional components.
• Various hydraulic devices and components for Flexible Manufacturing System

NETWORK TRAINING SYSTEM SERIES ED-NET4-X

• Step by step courses on the networks theories to train the engineers
• CISCO Router based training will help obtain CCNA, CCNP, CCIE certificates
• Functions and characteristics of network system(LAN Card, Router, L2 Switching Hub, L3 Switching Hub)
• 19Rack type structure for effective network configuration
• Optimized learning system for the Router based on one on one training(OPTION)