Basic Electronics Concepts & Intermediate Electronics Concepts If you want to learn basics of different electronic components or brush up old forgotten electronic concepts. This is the right place to start. Most importantly, for whatever reason you are going through these fundamental concepts--whether it is for hobby or just for brushing up on a few points, there should be something here to help you.
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  • Basic Electronics Concept
    The Basics Of Electronics are in general very simple and easy to understand. This section attempts to explain working and application of some electronic components used in day-to-day basis. The basic electronic concepts covers topics, such as
  • Atoms And Electrical Charges
  • Voltage
  • Current

  • Atoms And Electrical Charges

    Atoms And Electrical Charges
    Atoms are made of protons, neutrons, and electrons. Every electron has a small negative charge (-).The proton has opposite charge i.e., positive (+). Neutrons are electrically neutral and have no charge.


    Magnetism is a phenomenon by which materials exert an attractive or repulsive force on other materials. Materials like iron, steel, and the mineral lodestone are influenced by the presence of a magnetic field.
  • Magnetic Poles
  • Magnetic Fields
  • Magnetic Domains. 

  • Intermediate Electronics
    Intermediate Electronics deals with electronic components serving at the high-end application. In other words, it explains about the electronic components, which are capable of performing many tasks at one time. Intermediate Electronics covers topics related to working and uses of components, such as
  • Diode
  • The Junction Transistor
  • JFET
  • Opamp

  • Diode

    DiodeA diode is a semiconductor device, which allows current to flow through it in only one direction. The most common type of diode in modern circuit design is the semiconductor diode, although other diode technologies exist. Current flows from anode to cathode within the diode. Different types of diodes are Diode, Zener Diode, Varactor Diode, Vaccum tube Diode and LED.

  • Ideal Diode Characteristic
  • Review of Atomic structure
  • Forward Voltage Drop

  • Junction Transistor
    Junction Transistor Junction Transistor is a semiconductor device capable of amplification. Transistors are used as switches and amplifiers.A transistor may be used as a switch (either fully on with maximum current, or fully off with no current) and as an amplifier (always partly on).
  • Bipolar Transistors
  • Intrinsic And Extrinsic Semiconductors
  • Doping


  • JFET
    The Field Effect Transistor is a device, which uses one electrical signal to control another. To put it simply, the voltage applied on one region is used to control current between the other two terminals.
  • Advantages
  • Disadvantages
  • Basic construction of the JFET

  • Opamp
    OpampThe op-amp is a very high gain dc amplifier having a large voltage gain, very high input impedance and low output impedance.
  • Single-endedinput
  • Double-ended or differential input
  • Common-mode operation and common-mode rejection

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