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PDF-Circuits and PNG-Circuits contain the Schematic Diagrams with some design notes. Content Map provides a view of all pages. Schematics, Circuits FAQ and  Solderman helps learn practical electronics.

Instrument Photos, Production, Testing and Calibration Documents are being added at dapj Diagrams. EE Reference Database Design Web lists valuable Engineering Web Resources. delabs News has updates and new additions. Amps Volts eMag archives my learning.
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Electronics Product Design

When you wish to Begin to learn Electronics, first a short study of Physics is essential, secondly some Electronics theory. Then build simple and small gadgets 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 of National Semiconductor and Texas Instruments  to start with. When you want to use a Microprocessor or Build Your Own Microcontroller Projects, you can study the documents at Atmel and Microchip to begin. The Specifications and Behavior of Passive Components like inductors, capacitors and Resistors; Discrete Semiconductors; Power Devices - eg. IR and RF Components have to be understood well, in order to design sturdy Industrial Grade Designs eg. ST.

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.

Industrial Automation and Process ControlTacho Counter

Automation and Control is the predecessor of Robotics. A Jump Start, Practical and standard reference for Process Control is at at Omega Technical Reference.

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.

About delabs

delabs maintains an Electronics Circuits Archive with some Technical Documents, many of these circuits were designed or developed by me. There are also many links to useful electronics, freeware and open source websites. 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 Links Directory of delabs includes Companies, Service Manuals, Datasheets and Application Notes. The Technologies and Hardware Configurations of delabs are Open Designs.

Tera Ohm MeterThe delabs name is for the websites and content managed by me. My experience is in the design of custom industrial and instrumentation products. delabs plans to be a web-service for product design and development. I like to work on projects related to Electronics and Internet.

The product shown on the left is a Insulation Tester and a Tera Ohm Meter. It was the first product i designed many years ago. A DC regulated  Test bench Power supply, a later creation of mine is shown above.

If you wish to meet me in person, discuss online or talk, then contact me by mail, to start.

Anantha Narayan delabs


Disclaimer and Terms of usage.
Web-pages of delabs is intended to support electronics education. 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. I correct and update errors or links as i find them. Here is the Privacy Policy.
Anantha Narayan - delabs