Two Op-Amp Differential Amplifier
The Input Impedance of this module is very high and is symmetric. This circuit can be used for strain gauges and for four wire measurements.
The 8051 89C52 80C31 Page
Build your own a programmer for writing intel-HEX file to the 89C51, 89C52 and 89C55, PCB file included. The prototype board may be builtusing universal PCB with point-to-point soldering.
Build Transistor Projects
Easy To Build Transistor Projects - by Len Buckwalter. Meet Boris the talking skull, Sherlock Ohms the electronic detective, and a singing oatmeal box. These are just a few of the characters which prove that transistors can really be fun.
Zotero Organize Research
Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and share research. Zotero helps you organize your research any way you want. You can sort items into collections and tag them with keywords.
RCA CMOS Manual
It discusses the basic principles involved in the design and application of COS/MOS digital integrated circuits, and describes many of the circuit building blocks, ranging from basic NOR and NAND gaies to complex phase-locked loops and rate multipliers.
Computers
The IBM Personal Computer (model 5150), often referred to as the IBM PC, is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and Philip Don Estridge in Boca Raton, Florida.
Adventures Inside Atom
Adventures Inside The Atom - *And a few years later, aristotle Added an idea of his own...” 'it must be that all the Thousands of things on Earth are combinations of certain basic Elements.’ “Tell me more. things are made of ‘building blocks smaller than anything you can Imagine. I call them ‘atoms.’
Glow Lamp Manual
General Electric Glow Lamp Manual, Theory-Circuits-Ratings, 2nd Ed., 1966. This circa 1966 reference manual outlines GE's line of glow lamps or neon tubes including those designed for computer logic, switching, lighting, and indicator lamps. This work includes numerous application examples, reference implementation schematics and provides technical details for many models of the GE lineup for this category.
You and Computer
This booklet was created to give students in the 1960s a basic understanding of what a computer is and what they are used for People who work with computers in various roles are pictured.
Little Giant Transistor
The Littlest Giant: Transistors... Mighty Mites of Electronics! - Well transistors are solid devices, Unlike vacuum tubes. A remarkable Metal called germanium does the job. The transistor amplifies current by Adding electrons as electricity flows Through its germanium crystal. There Are no filaments to burn out, no
Glass to break.
Mysteries of Electronics
Resi and Transi Banish the Mysteries of Electronics. they explain how to build a few practical circuits, a continuity tester, a morse-code beeper and an amplifier. Even an extremely useful gadget, 'The Resimeter'.
History Of Electronics
Archie And The History Of Electronics, 1990, Radio Shack. Archie and friends, in traditional 90s style, speak of the history for electronics; revolutionary devices that made calling, texting and the like possible.
Surge Protection and Lightning Arrestors
Supplementary to EMI/RFI/EMC Immunity of an Equipment. Many Installations are subject to Highly Disruptive Electrical Environment not just EMI. Depending on the budget and the situation a solution has to be found. Sometimes a CVT or an Isolation Transformer can do a lot of good.
Converting all Energy inputs to battery energy and having a Isolated Synthetic Sine Supply may be an expensive but good solution. Either way the devices that face the harsh environment have to be over rated along with these protections.
- delabs design Notes
ESD-EMI-RFIDate Reminder
Date Reminder reminds you of recurring or nonrecurring events, like birthdays, bills to pay, appointments. Run from the Startup folder, alerts.
wallabag save pages
wallabag can save and classify articles, Read later. Take wallabag everywhere. Multi Device and Multi OS. Can be setup on a budget shared hosting.
Publii Static CMS
Publii makes website creation simple and accessible, flexible and powerful options to build and manage blogs, portfolios, or documentation websites.
74HCT4067 Analog Multiplexer
An Excellent way to expand your A/D convertors I/O capability. Multiple Analog Inputs can be routed to a single Opamp or Analog Input of a uC or uP System. Use protection Zeners or clamping inputs.
Interface-CircuitsWarm White LED
A Warm White LED is great Feng Shui for a Hobbyist’s Desktop or Workshop. A DIY Table Lamp or a Lathe Lamp with these Warm LEDs create Positive Energy, for not just your Home but for the Entire Neighborhood.
This idea is in the form of riddles in Ancient Chinese Manuscripts, I hope the Yellow Emperor does not see this post.
Yellow Emperor – Known as an early inventor. He holds the patents for The South Pointing Chariot, Diadem, Football, Silks, Dyes and Grain Farming. A Musical instrument called Guqin too!
Quadzilla 4 in 1 Chip
This is a booklet published by National Semiconductor that lists many applications for their various "quad" - 4 circuits in one chip - devices.
Voltage Controlled Oscillators, up-down staircase generator, time delays, limit comparators, and so on, all made with quads containing amplifiers or comparators. Here is a new concept of not only using the advantages shown for the digital world, but the ability to use simple quad linear devices to build more complex circuits.
Quad Differential Comparator LM339
These devices consist of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible, as long as the difference between the two supplies is 2 V to 36 V, and VCC is at least 1.5 V more positive than the input common-mode voltage.
Integrated-Circuits
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