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Electronic Devices and Engineering Designs

Circuits

Circuits and Schematics, pdf, png.

Digital Circuit Design

2020-12-22
By: delabs
In: Circuits, Data Interface, Product Design
Tagged: Digital-Design

These circuits are based on CD40xx Chips and other. You can use 74HCT or any other series that is available. use one family for a particular project. These were usedRead More

LM3914 – Dot Bar Display Driver

2020-08-20
By: delabs
In: Circuits, Integrated Circuits
Tagged: Test-Measurement

The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. A single pin changes the display from a movingRead More

The Incredible and Versatile 555

2020-07-16
By: delabs
In: Basic Electronics, Circuits
Tagged: delabs designs, Digital-Design, Technical-Reference

The Incredible and Versatile 555 : These are some 555 circuits, The most versatile and simple chip of all time !. Some 555 circuits with source in the Cadsoft EagleRead More

Basic Electrical Circuits

2019-07-04
By: delabs
In: Circuits, Electrical
Tagged: Technical-Reference

Electrical Engineering encompasses Everything in Electronics. Communications, Computers etc. are further specializations of Electronics. So it is best to Identify Electrical Circuits with Electrical Designs which excludes Active Devices. ItRead More

Simple WorkBench Dual Power Supply

2017-12-12
By: delabs
In: Circuits, Power Electronics
Tagged: Technical-Reference

I will just explain part of this circuit. D9 and D10 provide a low cost -1.4 from -5 V. This is needed to reach near 0.00 for LM317 Min. setting.Read More

eCircuit Center – Spice Schematics

2017-11-17
By: delabs
In: Circuits
Tagged: Simulation-SPICE

“The goal is a site where the learning of electronics is hands-on and fun. And the SPICE circuit simulator is a great software tool to achieve that goal. It hitRead More

PWM Control Circuit – TL494

2017-10-19
By: delabs
In: Circuits, Integrated Circuits, Power Electronics
Tagged: Technical-Reference

The TL494 incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibilityRead More

Interface ICL7135 Voltmeter to Atmel 89C52 or PC

2009-08-02
By: delabs
In: Circuits, Embedded

This circuit is an interface between 89C52 of Atmel with 7135 of Intersil. With This circuit you can read analog data of both polarities you can change the range scaleRead More

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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.