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Understanding

Understanding Bipolar Junction Transistors (BJTs)

Last Updated on May 20, 2026 by Swagatam 4 Comments

If we look at the diodes, their internal construction look very simple. They are made by joining two pieces of semiconductor material, and this is called a pn-junction. But when we talk about bipolar junction transistor or bjt, then things get little more complicated. It needs adding one more layer of semiconductor material, and that […]

Filed Under: Electronics Theory Tagged With: Bipolar, BJTs, Junction, Transistors, Understanding

Understanding CMOS IC 4035 Datasheet – 4-Bit Parallel In Parallel Out Shift Register

Last Updated on September 22, 2026 by Swagatam 2 Comments

So now we are talking about this digital IC called 4035 which is made using CMOS technology, that means it will use very low current and will give us high noise immunity. Inside this IC we have got 4 flip-flops which are arranged in such a way that they can hold and shift 4-bit data. […]

Filed Under: Datasheets and Components, Oscillator Circuits Tagged With: 4035, CMOS, Datasheet, Parallel, Shift, Understanding

Understanding Triac Snubber Network Calculations

Last Updated on May 20, 2026 by Swagatam 2 Comments

controlling inductive load with triac

You may find electronic circuits that frequently utilize triacs to manage mains powered loads. However, these setups commonly feature an inconspicuous capacitor and resistor combination across the triac – a snubber network. The functions of these components are more intricate than they seem. Exploring snubbers and grasping basic triac theory is valuable. Triac Operation A […]

Filed Under: Electronics Theory Tagged With: Calculations, Network, Snubber, Triac, Understanding

Understanding AC Circuit and Calculating AC Waveform

Last Updated on May 20, 2026 by Swagatam Leave a Comment

dc circuit and waveform

The sinusoidal waveform or sine wave is the most commonly used AC waveform in circuit theory. When a periodic AC waveform is produced by a voltage source, it creates an EMF that changes polarity at regular intervals, with the time it takes to complete one full reversal known as the waveform’s period. Direct current, also […]

Filed Under: Electronics Theory Tagged With: AC, Calculating, Understanding, Waveform

Understanding MOSFET Current Rating in Datasheets

Last Updated on May 20, 2026 by Swagatam 22 Comments

MOSFET current limitation on datasheet compressed

In this post I will comprehensively explain the current rating of MOSFETs in their datasheets, and helps us to understand how it is calculated by the design engineers, keeping in mind the various external parameters, which potentially impact the current limitations of the device. In simple terms, MOSFET current rating can be defined as the […]

Filed Under: Electronics Theory Tagged With: Current, Datasheets, MOSFET, Rating, Understanding

Understanding MOSFET Safe Operating Area or SOA

Last Updated on May 20, 2026 by Swagatam 4 Comments

mosfet soa datasheet compressed

If you are wondering or worried about precisely how much power your MOSFET can tolerate under extreme conditions, or under extreme dissipative situations, then the SOA figures of the device is exactly what you should be looking at. In this post we will be comprehensively discussing the Safe Operating Area, or the SOA, as it […]

Filed Under: Electronics Theory Tagged With: Area, MOSFET, Operating, Safe, SOA, Understanding

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