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Tag: Electronic Devices & Circuits

  • Working of npn transistor
    Electronic Devices & Circuits

    Working of NPN Transistor

    The emitter-base junction of a transistor is forward biased whereas collector-base junction is reverse biased. If for a moment, we ...
    Bharadwaj
    July 15, 2016
  • Transistor Terminals
    Electronic Devices & Circuits

    Basics of Transistors

    A transistor consists of two pn junctions formed by *sandwiching either p-type or n-type semicon-ductor between a pair of opposite ...
    Bharadwaj
    July 15, 2016
  • Voltage Regulator
    Electronic Devices & Circuits

    Basics of Voltage Regulators

    While filters can reduce the ripple from power supplies to a low value, the most effective approach is a combination of ...
    Bharadwaj
    July 7, 2016
  • Capacitor Filter Ripples
    Electronic Devices & Circuits

    Ripple Voltage in Rectifiers

    Ripple Voltage As you have seen, the capacitor quickly charges at the beginning of a cycle and slowly discharges through RL ...
    Bharadwaj
    July 7, 2016
  • Capacitor Filter
    Electronic Devices & Circuits

    Capacitor Filter Working Principle

    A half-wave rectifier with a capacitor-input filter is shown in Below Figure. The filter is simply a capacitor connected from ...
    Bharadwaj
    July 7, 2016
  • Peak Inverse Voltage of Center Tapped Transformer Rectifier
    Electronic Devices & Circuits

    Peak Inverse Voltage of Center Tap Rectifier

    Peak Inverse Voltage Each diode in the full-wave rectifier is alternately forward-biased and then reverse-biased. The maximum reverse voltage that each ...
    Bharadwaj
    July 7, 2016
  • Center Tapped Full Wave Rectifier
    Electronic Devices & Circuits

    Center Tapped Full Wave Rectifier Operation

    A center-tapped rectifier is a type of full-wave rectifier that uses two diodes connected to the secondary of a center-tapped transformer, ...
    Bharadwaj
    July 7, 2016
  • Full Wave Rectifier Block Diagram
    Electronic Devices & Circuits

    Full Wave Rectifier

    A full-wave rectifier allows unidirectional (one-way) current through the load during the entire 360° of the input cycle, whereas a half-wave ...
    Bharadwaj
    July 7, 2016
  • Power Supply Unit
    Electronic Devices & Circuits

    Basic DC Power Supply Circuit

    All active electronic devices require a source of constant dc that can be supplied by a battery or a dc power ...
    Bharadwaj
    July 6, 2016
  • V-I Characteristic Curve of Diode
    Electronic Devices & Circuits

    VI Characteristic of a Diode

    As we know, forward bias produces current through a diode and reverse bias essentially prevents current, except for a negligible ...
    Bharadwaj
    July 6, 2016
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