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

MULTI FUNCTION MEASURING INSTRUMENT SYSTEM ED-2110

• DC Amplifier
• Complementary Amplifier
• Differential Amplifier
• Operational Amplifier
• Active Filter Circuit

POWER ELECTRONICS TRAINER ED-2040

• Covers essential circuits needed to practice power electronics circuits
• Modular type with aluminum carrying case
• Optional rack to be customized upon requst

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

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.

OPTICAL COMMUNICATION TRAINER ED-2980

• E/O and O/E conversion and characteristics
• Optical PCM communication(trasmission&reception)
• Optical Data communications using personal computer
• DC power supply, a roll of fiber cable and the microphone included as peripherals

DC SERVO TRAINER ED-4400B

• Analog feedback loop & DC servo system
• Modularized by the function of servo circuits
• Overload protection for the servo amp's and power supply's output

COMPLETE MOTOR/GENERATOR TRAINING SYSTEM ED-5100

• Complete Motor/Generator Training System
• Various load characteristics(Resistance, L/C Reactance and Torque)
• Selectable System(ED-5100-1, ED-5100-2, ED-5100-3 or Full Set)

PULSE CIRCUIT TRAINER ED-6400

• Modular system with experimental rack
• Pulse Generation, synthesis and conversion
• Built-in signal source and DC power supply

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

LAN TRAINING SYSTEM ED-NET-3

• Panel type structure for good grasp of entire network configuration
• Learning about the functions and characteristics of basic network equipments such as NIC, HUB, Router and DSU, plus installation and maintenance
• Interlocking experiments with Internet for clear understanding a real network
• Capable of conneting to the open network on campus