Circuitfeed’s Latest
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Untwisted Pair vs UTP: What Is the Difference Between Untwisted Wires and Unshielded Twisted Pair?
Does UTP mean untwisted pair? No. UTP stands for Unshielded Twisted Pair, while untwisted wires have a different physical geometry and electromagnetic behavior. Learn how twisting affects EMI pickup, radiation, common-mode noise cancellation, loop area, differential signaling, and signal integrity in cables and low-level analog circuits.
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UTP Cable: Unshielded Twisted Pair Explained, Working, Construction and Applications
Learn what UTP cable means, how Unshielded Twisted Pair works, why twisting reduces EMI, and how UTP is used in Ethernet, telephone, industrial, sensor, analog, and differential signal systems. This detailed guide covers UTP construction, impedance, crosstalk, cable categories, common-mode noise, installation, and the difference between UTP and ordinary untwisted wires.
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EMI and EMC Explained: Electromagnetic Interference, Compatibility and Noise Control
Learn how electromagnetic interference (EMI) affects electronic circuits and how electromagnetic compatibility (EMC) is achieved. This guide explains conducted and radiated EMI, common-mode and differential-mode noise, coupling mechanisms, source-path-victim analysis, and the main methods used to control interference.
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Shielding: Definition, Types and Basic Principles in Electronics
Learn what shielding is, why it reduces electromagnetic interference, and how electrical, electromagnetic, cable, RF, and PCB shielding work in electronic systems.
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Twisted Pair Cable and working
Twisted pair cables are the backbone of modern data transmission, used in Ethernet, USB, HDMI, RS485, and high-speed communication systems. This in-depth guide explains how twisting wires reduces electromagnetic interference (EMI), enables differential signaling, and improves signal integrity. Learn the physics behind noise cancellation, compare twisted vs untwisted wires, and understand CAT5, CAT6, and shielding…
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Signal Integrity and Noise in Wired Systems & transmission
Signal integrity is essential in high-speed electronics and PCB design. This in-depth guide covers transmission line behavior, impedance, differential signaling, EMI, crosstalk, and shielding techniques to maintain clean, noise-free signals in modern systems.
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Power Rail Names Explained: VCC, VDD, VSS, GND, AVCC, AVDD and More
Learn the complete meaning of VCC, VDD, VSS and GND in electronics. This comprehensive guide explains their historical origins, differences, grounding concepts, datasheet conventions, PCB design considerations, real-world examples and practical engineering applications. Whether you are a student, hobbyist or professional engineer, this article will help you understand modern power rail naming used in microcontrollers,…
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MOSFET Square Wave Generator Circuit using 2N7000 (Complete Guide)
Learn how to build a MOSFET square wave generator using two 2N7000 MOSFETs. Includes circuit operation, RC timing equations, frequency calculation, applications, and troubleshooting.
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Why Does a MOSFET Burn Out? 9 Causes of MOSFET Failure (and Fixes)
A burnt MOSFET is never random — it’s the end result of one specific stress the part couldn’t survive. This guide breaks down the 9 real causes of MOSFET failure, from weak gate drive and motor back-EMF to H-bridge shoot-through and bad heatsinking, with the exact fix for each.
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MOSFET Interfacing: Direct Drive, Gate Drivers and High-Side SwitchingMOSFET Driver Circuits for ESP32, Pico and Arduino (N & P-Channel)
Learn how to drive N-channel and P-channel MOSFETs from ESP32, Raspberry Pi Pico, Arduino, and TTL logic. Compare direct logic-level drive with 10V gate-driver circuits, solve MOSFET heating caused by under-drive, and download datasheets for popular power MOSFETs.