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OPAMP LAB-KIT (For College Lab & Individuals) LICA

All in One (Semi-Assembled) Learning Kit for OPAMP for College Laboratories, with power supply, freedom to probe, simple and small.

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Semi-Assembled Op-Amp Testing and Learning Kit for College Lab and College Students of various departments/fields, The semi-assembled design of the Kit enabled students to complete experiments faster and they can utilize additional lab timing for connecting, testing and learning the subject in their way, hence enabling self-learning faults, applications, operation, operation verification at each stage of the circuit by probing, etc... which are not part of the academic syllabus.

The design developed is a simple two-sided PCB with onboard power supply and circuits, Hence simple to build inside the campus/home and can work with apparatus already present in an electronics Lab and can be flexibly adapted to the components locally available.

There are six subdivisions in the kit :

1. Power Supply Section
2. 5 divisions for Op-Amp Experiments

Sub-Circuits:

  • Power Supply: it is a fully assembled rectifier, filter and voltage regulator circuit, designed to operate satisfactorily to drive all other Sub-Circuits. It can also be used to teach/learn the operation of a rectifier and voltage regulators by adding berg connectors to make it semi-assembled and easy to conduct rectifier expiriments.
  • Section A: 

    NON-INVERTING AC OP-AMP AMPLIFIER, INVERTING AC OP-AMP AMPLIFIER,  DIFFERENCE AMPLIFIER.

  • Section B: SCHMITT TRIGGER,  DIFFERENTIATOR,  INTEGRATOR.

  • Section C: SATURATING PRECISION RECTIFIER (HALF-WAVE),  DEAD ZONE,  PRECISION FULL WAVE RECTIFIER.

  • Section D: RC PHASE SHIFT OSCILLATOR, WEIN BRIDGE OSCILLATOR.

  • Section E: SQUARE / TRIANGULAR WAVE FORM GENERATOR.

Op-Amp Lab Kit Doc (1).pdf

FULL DOCUMENTATION of DESIGN AND USAGE

Adobe Portable Document Format - 2.55 MB - 07/18/2020 at 10:51

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OpAmp Exp A.pdf

Section A Experiments Design Calculations

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OpAmp Exp B.pdf

Section B Experiments Design Calculations

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OpAmp exp C.pdf

Section C Experiments Design Calculations

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OpAmp exp D.pdf

Section D Experiments Design Calculations

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  • 5 × Op-Amp (any quad Op-amp IC) (used: LM324)
  • 1 × Resistors as per expiriment
  • 1 × Wires to make jumper connection
  • 1 × Zener Diode any
  • 1 × Screw Connectors screw type THT wire connectors

View all 20 components

  • 1
    PCB Layout Design

    We had Problems with Auto-Routing in eagle after circuit design, some of the connections were shorted in the final auto-routed layouts, so make sure to re-verify the PCB layout and connections visually with the circuit to avoid problems after PCB printing or assembly.

    Also proble pads for connectivity and routing verification on PCB after PCB printing.

  • 2
    PCB Printing

    PCB printing in home can be easily done using simple and widely known chemical process using toner deposition / UV layout method to overlay traces onto PCB and etching the design using FERRIC-CHLORIDE solution.

    The VIAS in the PCB layout might be too small for home / self PCB printing, so make sure to increase size of VIAS along with Pads for easy drilling of holes and making via connections.

  • 3
    PCB assembly

    The design can be used in 3 ways:

    • Fully assembled test board, by permanently soldering everything directly onto PCB, Hence redices costs with no flexibility in expirimenting.
    • Semi-Assembled test board (Shown in Images) , by permanently soldering only components essential for basic circuit operation, such as Power Supply Circuit, Filter capacitoes, Essential resistors etc, Hence enabling sime flexibility to change i/o components during expirimentation.
    • Test Board: Board assembled fully with IC base, male and female berg connectors and screw type connectors, hence full flexibility to test and expiriment a particular circuit with various values of components and configuration, but this may compromise reliability as student/individual has to make all the connections in circuit and is no better than conducting the expiriment on breadboard.

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