circuits-electronics
166 bookmarks · page 1 of 4
2026-10-18 · righto.com

In 1980, Intel introduced the 8087, a chip that made floating-point operations much faster in the IBM PC and other systems. Although the 808...
1648 micro-instructions
floating-point calculations on 80-bit values
2026-10-13 · yankodesign.com

https://youtu.be/hkrYiZ_g9tw Apple's design team apparently raided four different family albums and stitched the best bits into one object. HomeView has the iMac G4's floating-screen silhouette, Apple Watch-style faces, the iPad's slab of glass, and a speaker base that recalls…
2026-10-06 · eetimes.com

Solve 13.56 MHz NFC antenna integration challenges with expert engineering solutions for metal shielding, placement limits, and chipset matching.
★ 2026-09-30 · semiengineering.com

What it is, why it's important, and how it's being used.
2026-09-18 · nextplatform.com

A lot of advancements are being made in quantum computing that move beyond the basics of quantum pro ...
2026-08-25 · crowdsupply.com

Finally, an open hardware printer you can actually understand, repair, and upgrade
2026-08-19 · allaboutcircuits.com

The team employed a quantum material and chip architecture that could be key in scaling quantum computers to one million qubits.
2026-08-06 · everythingmachine.io

A layer-by-layer teardown of the most intricate machine you’ve ever held.
The difference is a non-stick coating one molecule thick, and every time you touch the screen a little of it wears away.
fluoropolymers
★ 2026-07-15 · arenaphysica.com

An interactive introduction to the chart at the heart of RF engineering.
2026-07-11 · open.substack.com

A new triple-patch design squeezes impossible performance from a sub-millimeter antenna array, clearing the path to 6G networks and beyond.
2026-05-24 · open.substack.com

GE killed their biggest competitor. Russia lost another. A Nebraska family kept making the component nobody thinks about, and now they basically own the market.
2026-05-18 · open.substack.com

How high-speed data requirements influence chip architectural complexity
2026-05-17 · unstack.io
I have never watched the AMC show Halt and Catch Fire, and for a long time I only knew the title, but nothing about the show. Something about it always reminded...
2026-05-08 · open.substack.com

Q&A with SiTime CEO Rajesh Vashist
2026-04-27 · jeffgeerling.com
For years, the best way to get 10 gigabit networking on laptops was to buy an expensive, large, and hot 10 GbE Thunderbolt adapter. With new RTL8159-based 10G USB 3.2 adapters coming onto the market, the bulky adapters might be a thing of the past. Just look at the size of the…
2026-04-27 · fabiensanglard.net
2026-04-17 · open.substack.com

Scaling high-speed data movement from IM-DD to CPO/Silicon Photonics/Coherent
2026-03-28 · open.substack.com

As we’ve noted more than a few times before, for most of the 20th century AT&T’s Bell Labs was the premier industrial research lab in the US.
2026-01-09 · chatgpt.com

2025-10-17 · arstechnica.com

Backup firm brings a unique, informed perspective to HDD failure rates.
2025-09-30 · vice.com

You see it mentioned on almost every e-reader device—that is, tablet specialized for reading e-books—but what is it, really?
2025-08-10 · allaboutcircuits.com

In this article, we'll illustrate the usefulness of Carson's rule for bandwidth estimation by working through a series of example problems.
2025-08-03 · allaboutcircuits.com

In this article, we'll investigate how varying the amplitude and frequency of the modulating tone impacts the bandwidth of FM signals. We'll also compare the modulation index in AM and FM schemes.
2025-07-27 · allaboutcircuits.com

Along with introducing Carson's rule for bandwidth estimation, this article explains how to calculate the required transmission bandwidth based on either the sidebands or the total power of the signal.
2025-07-13 · allaboutcircuits.com

Learn how Bessel functions and the modulation index can help us understand the bandwidth of wideband frequency-modulated (FM) signals.
2025-05-14 · open.substack.com

The history, physics, and practical trade-offs behind a number every RF engineer knows.
One of the fundamental properties of a coaxial cable is its characteristic impedance often represented by Z0. It is the value of resistance seen when looking into a coaxial cable of infinite length. The value of Z0 is solely determined by the physical construction of the cable.
air-filled (εr=1),
2025-04-04 · jameco.com
What is a servo motor? How does a servo motor work? Get the right answers to these and more questions related to servo motors at our Jameco Electronics blog.
2025-04-02 · spectrum.ieee.org

Electromagnetism takes touch feedback beyond simple vibrations
2025-02-20 · signalintegrityjournal.com

Understanding and minimizing discontinuities is increasingly important as serial links become both shorter and faster. Applying the old edge rate to roundtrip relationship to the modern era, Donald Telian in this article offers a rule-of-thumb to help gauge which interconnect…
2024-12-31 · longreads.com
This deeply researched and thoughtful read by Maxwell Neely-Cohen, a fellow at the Library Innovation Lab at Harvard Law School, explores the past, present, and future of long-term data storage. “If you want to store something for 100 years, what are the best methods for…
2024-12-22 · allaboutcircuits.com

This article explores the basic principles of Class F operation and introduces the third-harmonic-peaking Class F amplifier.
2024-12-18 · lil.law.harvard.edu
If you had to store something for 100 years, how would you do it?
2024-12-16 · open.substack.com

How IGBT and SiC based traction inverters use power from the lithium ion battery pack to drive the motors using sinusoidal pulse width modulation.
2024-12-12 · open.substack.com

THz radiations finds unique applications in astronomy, medicine and communications, but not without its own distinct challenges.
2024-11-25 · allaboutcircuits.com

Why you should care about even small amounts of inductance.
2024-11-24 · open.substack.com

A guide to the operating principles, techniques and technology in lidar systems.
cost thousands of dollars, and that number needs to drop by at least an order of magnitude
Wavelength
2024-10-27 · allaboutcircuits.com

In this article, we'll walk through the process of moving an LTspice circuit into QSPICE and learn some QSPICE schematic techniques.
2024-10-19 · semiengineering.com

An in-depth look at the high-speed data communication standard's benefits and tradeoffs.
PAM4 is a four-level pulse amplitude-modulated signal, which can be electrical or optical.
non-return-to-zero (NRZ) encoding
2024-10-19 · open.substack.com

From PIN diodes, RF MEMS, MESFETs, and HEMTs to RF silicon-on-insulator technology, how the evolution of a circuit as simple as a switch is much more complex than it seems like on the surface.
2024-10-16 · allaboutcircuits.com

This article, the first in a four-part series on moving from LTspice to QSPICE, introduces an LED blinker circuit that we’ll simulate with both programs.
2024-08-01 · allaboutcircuits.com

In PCB design, using grounded copper pour can be a double-edged sword. Learn how to make smart design decisions on balancing copper layers, preventing dead copper issues, and enhancing PCB performance.
2024-07-08 · open.substack.com

A brief introduction to antennas, superheterodyne receivers, and signal modulation schemes.
2024-04-29 · allaboutcircuits.com

This article will help you optimize your switch-mode regulator and driver circuits by explaining important sources of MOSFET power dissipation.
2024-04-12 · allaboutcircuits.com

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available from RS-232. Learn more in this article.
2024-04-01 · allaboutcircuits.com

The full-wave bridge rectifier converts an AC input voltage to a DC power supply voltage. Learn about the operation of this essential circuit.
2024-03-06 · theverge.com
/cdn.vox-cdn.com/uploads/chorus_asset/file/25139984/236836_Infrastructure_L4S_BROADBAND_SISIKIM_LEDE.jpg)
L4S could fix a problem that even gigabit connections don’t.
2024-02-22 · partstack.com

Learn what is an Op Amp(Operational Amplifier): Understanding circuits, types, & the Best operational amplifier choices.
2024-02-22 · allaboutcircuits.com

In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.
2024-02-20 · hackaday.com

Ethernet is ubiquitous, fast, and simple. You only need two diffpairs (four wires) to establish a 100Mbit link, the hardware is everywhere, you can do Ethernet over long distances easily, and tons …
2024-02-06 · allaboutcircuits.com

Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.