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

FM TRANSCEIVER TRAINER ED-3600

• Realistic Simulation of FM stereo broadcast
• Graphical layout of block diagrams, display elements and test points
• Covers the principles of FM stereo encoder and decoder
• Experiments on stereo amplifier (equalizer, tone control, pre-amp, etc.)

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

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

PORTABLE PLC TRAINER ED-4260P

• Composed of essential devices for Programmable Logic Controller I/O commands
• LD (Ladder Diagram), IL (Instruction List), SFC (Sequential Function)
• Built-in Simulator to train on the encoder’s principle and functions
• Stepping motor and DC motor installed as standard (forward/reverse rotation, linear movement)
• Capable of network configuration by CPU and Remote I/C Link

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)

FLEXIBLE MANUFACTURING SYSTEM ED-FMS1

• Stores at the cell designated by crane
• Stores according to color and materials
• Selecting and taking at the time of cell is full

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

ANALIZOR DE SPECTRU DIGITAL 9 KHZ..3 GHZ ED PSA-3000

• 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

OMNI-DIRECTIONAL MOBILE ROBOT ED-7275

• Omni-directional robot system
• Microprocessor based control command as for simple use
• Floor detecting sensor and forward area detecting distance sensor as mounted
• Mountable expansion by adding the optional ultrasonic sensor and infrared sensor

REFRIGERATION & AIR CONDITIONING DEMONSTRATOR ED-5820/ED-5840

• Easy-to-use demonstarator for principles of refrigeration/airconditioning
• Motor Compressor : Pison type
• Trouble shooting for pipe leakage