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

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

LOGIC CIRCUIT LAB ED-1006

• Hexadecimal number indicators
• Selectable pulse outputs
• Built-in DC power supp

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

ELECTRICAL MACHINE TRAINER ED-5300

• 19 types of modules & graphic boards
• 25 types of electrical machine assembly
• Experimental board rack & storage trolley

EMBEDDED BASED HOME NETWORK TRAINER ED-5967

• Home network control in liaison with Embedded PXA 255/270/272/320
• Power line communication and ZigBee modules with Multi Port in use together
• Embedded

ED PSA-6000 SPECTRAL ANALYZER 9 KHZ..6.2GHZ

• High-performance digital synthesizer method
• Wide Frequency Coverage : 9 kHz ~ 6.2 GHz
• Superior Resolution : Minimum 1 Hz
• Compact & Portable size
• Wide Input Dynamic Range : -105 ~ 20 dBm
• Various and Convenient Interfaces : USB, LAN

STEPPING MOTOR TRAINER ED-4301

• Graphical display of functonal block diagram on the system suface
• Real-time monitoring and control by PC Control Program
• LM Guide and Rotary Encoder for position control
• Displays moving distance and angle data using LCD

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

ADSL TRAINING SYSTEM ED-NET-2

• Study of functions, characteristics, installation, repair and maintenance of basic ADSL components such as Telephone Exchange, Splitter, DSLAM, ADSL Modem, HUB and LAN Card
• Network structure through interworking experiments with Internet and capability of Internet usage and simple programming
• Capable of interworking experiments with ED-NET-3(LAN Training System)

PC BASED ANALOG COMMUNICATION TRAINER ED-1460

• Interlocking system package with CBIS-1400 and DS-1410 Models (Options)
• Experiments on a measurable low frequency bandwidth
• Realistic experiments on modulation and demodulation
• Verification of the output waveform on PC engaged with CBIS-1400 Model