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delabs is centered around Electronics Engineering Technologies. The Focus is on Product Design, Instrumentation and Automation.





Solderman's Basic Electronics can help learn practical electronics and has Instrument Photos, Production, Testing and Calibration Documents. Schematics of delabs is a repository of Product and Circuit Designs.

Hobby DIY Garage has many Do-It-Yourself Electronic Projects. Circuits FAQ has Electronics Design Notes and Answer

Schematic Diagrams contain the EE designs notes.

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Electronic Circuits


delabs circuits
Electronics Product Design

When you wish to learn Electronics, first a short study of Physics is essential, secondly some Electronics theory. Then build simple and small electronic projects to learn Practical Electronics while working with Educational Hobby Circuits.  Lastly to make your own product designs, a fundamental knowledge of Analog and Digital Electronics is the foundation for your next steps into Engineering a Design.   DC Regulated Power Supply

Applications and Components

The basic building blocks for most circuits are Chips or ICs. You can acquire considerable knowledge by studying Application notes. Then you would want to use a Microprocessor or Build Microcontroller Projects. The Specifications and Behavior of Passive Components like inductors, capacitors and Resistors; Discrete Semiconductors; Power Devices and  RF Components have to be understood well, in order to design sturdy Industrial Grade Designs.

Advanced Engineering

The Technology related to the equipment used for Testing, Troubleshooting and Calibration is called Test & Measurement, Here we use Test Instruments like Oscilloscopes and Digital Multimeters. Medical Electronics and Military Designs require more meticulous, robust and dedicated designs with higher reliability and accuracy. In Medical electronics product safety is vital, Consumer products should be affordable without compromising Human Safety factors.

Then you need to look into Usability or Ergonomics, which is a science that helps us develop practical and cost-effective products, which have an optimum Man-Machine Interface. EMI, ESD, RFI are other important aspects that deals with Electromagnetic, Electrostatic and RF; Noise and Interference; in the Stable performance of products in Real World Harsh Environments or the Reliable Transmission of data. Lastly Computing and Communication makes products more versatile in any application. EDA, Technical Computing and Systems Engineering helps creating products and complete process solutions.

Industrial Automation and Process ControlTacho Counter

Automation and Control is the predecessor of Robotics and Mechatronics.

A Control system is made of Sensors sending acquired data to a Controller which operates Actuators to manage the process in Real Time. Starting from a Bimetal Thermostat to a SCADA, the controller has grown from mechanical -- electrical -- analog -- digital devices to microcontroller-computer based equipment.

Both in Control Systems and Robotics the Collaboration between Robots or Control Units, leads to the development of wireless network of Interactive, Intelligent and Distributed Self Governing Systems. The outcome is Web Process Automation, Web Applications based Solutions in Monitoring, Analyzing and Configuring these Sophisticated Networked Systems.

(The above writeup was made around 2002)

About delabs

delabs maintains an Electronics Circuits Archive with some Technical Documents, many of these circuits were designed or developed by delabs. There are also many useful links to electronic resources, products and companies. The intention to put it in the web is to enable Students, Hobbyists and Professionals to get more ideas on various aspects of  electronics and circuit design.

The Technologies and Hardware Configurations of delabs are Open Designs. delabs created content and circuits, can only be used for product design, product development, study or hobby.

Tera Ohm MeterThe delabs  and dapj; websites and blogs; are EE Technology Publications. It has the resources for custom industrial and instrumentation product design. delabs is a service for product design and development.

The product shown on the left is a Insulation Tester and a Tera Ohm Meter. A DC regulated  Test bench Power supply is shown above. These were designed in the 80s and 90s.

  delabs Technologies


Disclaimer and Terms of usage

The documents, software, tools and links are provided to enhance the ability of an electronics student, hobbyist or professional by sharing information. The information, links etc. should be used by the website visitor, at his or her own risk and responsibility. There may be concept, design and link errors in the pages.

Creative Work, ideas and documents of delabs can be used for Product Design and Development by R&D Engineers, Hobbyists, Students and even firms for creating useful products. These cannot be used for reprint, replication or publishing online or offline.

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