Experiments Included:

Analog Section:

  • Application of Ohm’s Law
  • Series DC Circuit
  • Parallel DC Circuit
  • Diode Characteristics
  • Characteristics and Applications of Zener Diode
  • Diode in a DC Circuit
  • Half Wave Rectifier Circuit
  • Full Wave Rectifier Circuits with Center Tapped
  • Bridge Rectifier Circuits
  • Voltage Doubler Circuit
  • Characteristics of Light Emitting Diodes
  • Characteristics of Bipolar Junction Transistor
  • Characteristics of Field-Effect Transistor (FET)
  • Characteristics of Unijunction Transistor (UJT)
  • Characteristics of Programmable Unijunction Transistors (PUT)
  • Characteristics of Silicon Controlled Rectifier (SCR)
  • Characteristics of DIAC
  • Characteristics of TRIAC
  • Non-Inverting Amplifier Circuit
  • Inverting Amplifier Circuit
  • Differential Amplifier Circuit
  • Integrator Circuit
  • Differentiator Circuit
  • Low-Pass Filter Circuit
  • High-Pass Liter Circuit
  • Band-Pass Filter Circuit

Digital Section:

  • AND Gate Operation
  • OR Gate Operation
  • NOT Gate Operation
  • NAND Gate Operation
  • NOR Gate Operation
  • XOR Gate Operation
  • Construction of XOR Gate from NAND Gate
  • Half Adder Operation
  • Full Adder Operation
  • Half Subtractor Operation
  • Full Subtractor Operation
  • 7-Segment Display Operation
  • Decoder Operation
  • BCD to 7-Segment Display
  • Multiplexer Operation
  • Using Multiplexer and Demultiplexer/Decoder
  • Multiplexing 7-Segment Displays
  • Comparator Operation
  • D Latch and Flip Flop Operation
  • Latching BCD Data for Displaying 7-Segment Display
  • Re-circulating Data
  • J-K Flip Flop Operation

IT-400 is a comprehensive and self-contained system suitable for anyone engaged in Digital and Analog circuit experiments. All necessary equipment for Digital and Analog circuit experiments such as power supply, function generator, Data Switches, LEDs, Logic Probe, 7-Segment Displays etc are installed on the main unit. The Bread board allows students to perform a wide variety experiments relating to essential topics in the field of digital and analog circuit. It is a time and cost saving device for both students and researchers interested in developing and testing circuit prototypes.


  • Bread Board Based
  • Power Supplies Included
  • Basic Measuring Instruments Included
  • Flexibility to Perform Custom Experiments
  • Output Devices like LEDs and 7-Segment Included
  • Input Devices like Push Switches, Toggle Switches Included
  • Standard Function Generator Included
  • Passive Components Included
  • Protection Circuits Included

Technical Features:


  • Fixed DC: +5V, -5V, +12V, -12V
  • Dual DC Power Supply: 0 ~ +15V and 0 ~ -15V adjustable
  • FIX Supply AC: 2V-0-2V, 12V-0-12V, 15V-0-15V

Function Generator:

  • Output Waveform: Sine, Square, Triangle and TTL
  • Output Frequency: up to 100KHz in five steps

3 ½-Digit Digital Voltmeter:

  • Volt ranges 200mV, 2V, 20V, 200V

Data Switch:

  • 16-bit switch with TTL Output

Push Switch

  • Two independent Switches
  • Each with Q, Q’ output
  • De-Bounce Switch

Logic Indicator

  • 24 independent LEDs indicate high and low logic state

Digital Display

  • 3 independent 7-segment LED display with BCD to 7-segment decoder/driver input with 8-4-2-1 code


  • Carbon Track 1K and 100K

Interface Connectors

  • 2X BNC Connectors interfaced to 2mm gold plated pins
  • 1X Banana Connector interfaced to 2mm gold plated pin
  • DB-9 Connector with all pins interfaced to 2mm gold plated pins
  • DB-25 Connector with all pins interfaced to 2mm gold plated pins

Solderless Breadboard:

  • 2 Terminal Strips, Tie-point 1680
  • 4 Distribution Strips, Tie-point 400

Audio Output

  • 0.5W Speaker with Audio Amplifier and Volume Control

Accessories: 2mm-1mm patch cords, Power Cord, User Manual