P-Channel MOSFET in H-Bridge Applications
Introduction P-channel MOSFETs are usually implemented for load ON/OFF switching. The ease-of-use of P-channel options on the high side allows them to be very convenient for applications like...
View ArticleMaking a Self-Powered Generator
Who wouldn't like to see a self-powered motor generator running at home and powering the desired appliances non-stop, absolutely free of cost. We discuss the details of a few such circuits in this...
View ArticleCMOS IC LMC555 Datasheet – Works with 1.5 V Supply
In this post we study the datasheet, pinout, and technical specifications of the IC LMC555 which is a CMOS version of the standard IC 555. The IC is equipped with many outstanding features, the most...
View ArticleDarlington Transistor Calculations
Darlington transistor is a well known and popular connection using a pair of bipolar transistor junction transistor (BJT), designed for operating like an unified "superbeta" transistor. The following...
View ArticleBug Detector Circuit – RF Sniffer Circuit
A bug detector is a device that detects hidden wireless electronic devices such as wireless microphones, spy cameras, Wi-Fi devices, GPS trackers or any gadget that emits some kind of radio frequency...
View ArticleMOSFET (Enhancement-Type)
Although depletion type and enhancement type MOSFETs look similar with their internal structures and functional mode, their characteristics may be quite different. The main difference being the drain...
View ArticleTransfer Characteristics
We know that for a bipolar junction transistor (BJT), the output collector current IC and the control input base current IB are related by the parameter beta, which is assumed to be constant for an...
View ArticleUnderstanding MOSFET Turn-ON Process
While designing MOSFET based circuits you might have wondered what is the correct way of turning ON a MOSFET? Or simply what is the minimum voltage that should be applied across gate/source of the...
View ArticleTL494 Datasheet, Pinout, Application Circuits
General Description The IC TL494 is specifically designed for single chip pulse width modulation application circuits. The device is mainly created for power supply control circuits, which can be...
View ArticleList of Arduino Boards with Specifications
In this post we present a list of popular Arduino boards that can be used by engineering students and professionals for their specific application needs. The boards are designed with a range of unique...
View ArticleHow to Calculate Ferrite Core Transformers
The post presents a detailed explanation regarding how to calculate and design customized ferrite core transformers. The content is easy to understand, and can be very handy for engineers engaged in...
View ArticleDigital to Analog (DAC), Analog to Digital (ADC) Converters Explained
In this article we comprehensively discuss how digital to analog, and analog to digital converter circuits work, using diagrams and formulas. In electronics we may find voltages and currents varying...
View ArticleUltrasonic Fuel Level Indicator Circuit
In this post we learn how to build a simple fuel tank level indicator circuit using Arduino and ultrasonic sensors. In every vehicle the fuel tank is probably the most important part of the entire...
View ArticleHow Transformers Work
Definition: According to definition given in Wikipedia an electrical transformer is a stationary equipment that exchanges electrical power across a couple of closely wound coils. A constantly altering...
View ArticleComparators – Using IC 741, IC 311, IC 339
The basic function of a comparator is to accept a linear voltage input and produce a digital output, giving a quick information regarding which one input has higher potential than the second....
View ArticleBidirectional Switch
In this post we learn how to use MOSFETs or IGBTs for making bidirectional switches, which can be used for operating a load across two points bidirectionally. This is simply done by connecting two...
View ArticleDiode Rectification: Half-Wave, Full-Wave, PIV
In this post we will analyze diode rectification process and other properties through time-varying functions like sine wave and square wave. Meaning, through voltages and currents which change their...
View ArticleSchottky Diodes
Schottky barrier diodes are semiconductor diodes designed with minimal forward voltage and fast switching speeds which may be as low as 10 ns. These are manufactured in current ranges of 500 mA to 5...
View ArticleLED Obstruction Light Circuit
Obstruction lights are warning lights that we see at the top of tall structures like towers and skyscrapers, installed for indicating the aircrafts and other flying objects about these obstructions....
View ArticlePrevent Amplifier Fuse from Blowing During Power Switch ON
Is your power amplifier fuse blowing during power switch ON? It could be happening due to the initial high current drawn by the loudspeakers, when power is switched ON. The […] The post Prevent...
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