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

LOGIC/DIGITAL CIRCUIT TRAINER ED-1400A

• Capable of performing Logic monitoring functions
• Graphical presentation of functional diagram on each module
• 15 modules each for TTL or CMOS IC type

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

INVERTER MOTOR TRAINER ED-4304

• Practical training on inverter and 3-phase induction motor operations
• Control experiments using a PLC module (in use of D/A module)
• Feasible contact-type PLC control
• Carrying case type structure for convenient storage and mobility

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

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)

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

4-AXIS RECTANGULAR COORDINATES ROBOT TRAINER ED-XYZ

• Experiments on the 4-axis Cartesian robot
• Teaching pendant in 7.5wide color touch panel
• Standard language for the international industrial robot
• Simulation software in three dimension

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

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

NEW & RENEWABLE ENERGY TRAINER ED-9710

• Conversion processing experiments on the produced energy(power production / processing)
• Energy efficiency experiments followed by energy production and conversion
• Voltage and current characteristics curve
• Standalone or integrated operation of the energy experimental module
• Enriched teaching aids such as simulation software for power production