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

LOGIC LAB UNIT ED-1000BS

• Hi/Lo Logic Switch
• BCD hexadecimal indication LED
• Built-in DC power supply(+5V,+9V,±15V)
• Voltage and current meter
• DC overload alarm and indication
• Variable and single pulse generator

PC BASED DIGITAL COMMUNICATION TRAINER ED-1440

• The Electronic Manual operable on PC comes with ED-1440 and e-learning is optimized by remote control of student’s operating program and evaluation of student’s online peport in real time.
• Through DS-1410, it provides Variable Power Supply(VPS), Function Generator(FG), Analog Output, Digital Output needed for experiments.

COMPUTER-INTEGRATED MANUFACTURING TRAINER ED-CIM

• Computer-Integrated Manufacturing Training System under the application of advanced control technology for real field experiences
• Capable of "per unit" configuration into the two or more processes, or entire processes for customized experiments by combining each process

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

LOGIC TRAINER ED-1100A

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

DC SERVO MOTOR TRAINER ED-4302

• Display of the rotational speed and angle data using LCD
• PC control and waveform output functions
• Portable type with Aluminum Carrying Case

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.

FUEL CELL TRAINER ED-9740

• Fuel cell generation using photovoltaic
• Complete disassembly and assembly of the fuel cell
• Current and voltage measurement for PEM Fuel Cell Stack according to each of Cell
• Power production experiment using PEM Fuel cell

DIGITAL COMMUNICATION TRAINER ED-2970

• Modularized by the function of digital communication circuits
• FSK, ASK, PSK, QPSK and digital communication principles
• 12 types of modules including a power supply unit

DC MOTOR/AC GENERATOR MG-5214

• DC motor’s load characteristics
• DC motor’s loss and efficiency
• Alteration of the motor’s rotative directions
• Motor’s speed and torque