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Electronic Theory

Basic principles, ideas, concepts, laws, and formulas behind electronics.

Top Articles

  1. Determine Voltage Drop Across Resistors AtomSoft
    How to calculate voltage drop across series resistors.
  2. Pull Up and Pull Down Resistor Tutorial ericgibbs
    The Basic use of a pull-up or pull-down resistor is to prevent a 'floating' input to a digital circ
  3. Ohm's Law for Beginners (or The Amp-Hour Fallacy) bychon
    Just about once a day, somebody writes in with, “My boom box has a dead battery that says 12 volt
  4. The Basics of Bypass Capacitors ElectroMaster
    This article will explain the function of a bypass capacitor, when its appropriate to use them, and
  5. Thermal Budget: Transistors & Heatsinks spec
    How to select power devices and specify heatsinking
  6. Practical Elecromagnet Design spec
    Design and build practical electromagnets using simplified theory and formulae
  7. Two Simple Formulae: capacitance and inductance spec
    Two relationships can simplify capacitor and inductor voltage and current calculations
  1. Articles are being shown from all child categories.
  2. ElectroMaster

    The 555 Timer

    The 555 timer is capable of producing accurate timing ranges from micro
    5/5, 4 votes
    Updated:
    Apr 7, 2012
  3. Jon Wilder

    PIC 16F and Register Banking Explained

    PIC 16F And iRAM Banking By Jon Wilder As some of you have noticed, the internal RAM in the
    5/5, 1 vote
    Updated:
    Mar 25, 2012
  4. bychon

    Ohm's Law for Beginners (or The Amp-Hour Fallacy)

    Just about once a day, somebody writes in with, “My boom box has a dead battery that says 12 volt
    5/5, 1 vote
    Updated:
    Mar 14, 2012
  5. ElectroMaster

    The Basics of Bypass Capacitors

    This article will explain the function of a bypass capacitor, when its appropriate to use them, and
    5/5, 1 vote
    Updated:
    Jan 31, 2012
  6. Jon Wilder

    A Beginner's Introduction to Microcontrollers

    Time after time I see beginners try to get started in embedded electronics, only to be overwhelmed
    0/5, 0 votes
    Updated:
    Jan 30, 2012
  7. Menticol

    Capacitor ESR Meter

    [B]What is ESR and How Can It be Tested?[/B] As the allmighty Samuel M. Goldwasser says, "ESR (
    0/5, 0 votes
    Updated:
    Jan 26, 2012
  8. ElectroMaster

    Introduction to Pulse Width Modulation

    A look at a powerful technique for controlling analog circuits with a microprocessor's digital outp
    0/5, 0 votes
    Updated:
    Jan 26, 2012
  9. unclejed613

    Amplifier Theory Tutorial (work in progress)

    New Article (work in progress) AMPLIFIER THEORY TUTORIAL No matter how "digital" things get in
    5/5, 1 vote
    Updated:
    Jan 17, 2012
  10. ElectroMaster

    Common Resistor and Capacitor Values

    To manufacture resistors (or other components like capacitors) of every possible value would be imp
    0/5, 0 votes
    Updated:
    Dec 29, 2011
  11. JimB

    Breadboards - How bad are they at RF?

    Over the years many threads have revolved around the poor operation of a circuit built on a breadbo
    0/5, 0 votes
    Updated:
    Dec 22, 2011
  12. ElectroMaster

    The 4017 Decade Counter

    [ATTACH=RIGHT]54828[/ATTACH]This handy Decade Counter (or sometimes called a Johnson Counter) can b
    5/5, 2 votes
    Updated:
    Jul 31, 2011
  13. 3lectrix

    How To: Test A Uni Junction Transistor

    You can easily test the health of a UJT (Uni junction transistor) by using a digital multimeter. Do
    0/5, 0 votes
    Updated:
    Jul 2, 2011
  14. DirtyLude

    Cheap ARM Starting Kit

    [QUOTE=TiagoSilva;838453]I always liked ARM processors too, but there is too much offer, and for so
    0/5, 0 votes
    Updated:
    Jun 16, 2011
  15. MrDEB

    DIY printed circuit boards My experiments and mistakes.

    New ArticleDIY Printed Circuit Boards for the home hobbyist methods and mistakes By Doug Bezaire
    0/5, 0 votes
    Updated:
    Jun 14, 2011
  16. Mikebits

    Eagle Schematic Tutorial

    I wrote up a Eagle tutorial for another user on this forum, but I thought, what the heck someone el
    5/5, 1 vote
    Updated:
    Aug 8, 2010
  17. ElectroMaster

    Basic Soldering & Desoldering Guide

    The most fundamental skill in order to construct any electronic project is soldering (and desolderi
    0/5, 0 votes
    Updated:
    Jul 11, 2010
  18. arijit18

    UNIT Committment solution using Dynamic programming

    INTRODUCTION The unit commitment is an optimization problem that economically schedules generati
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  19. crashsite

    Method to Make Project Panels (Warning: Detailed Info!)

    When laser printers first came into coomon use (in the workplace anyway), here's a technique I came
    0/5, 0 votes
    Updated:
    Jan 4, 2010
  20. Hero999

    LED Switching Regulator

    I was bored at work and had an idea so I started playing around in LTSpice and came up with this ci
    0/5, 0 votes
    Updated:
    Jan 3, 2010
  21. mechie

    Ohms Law

    Ohms Law The relationship between current(I), voltage(V or E), and resistance(R) was discovered
    0/5, 0 votes
    Updated:
    Jan 3, 2010