Conductive Paint: An Interview with Bare Conductive

conductive paint

Back in 2009, a small team of students at the Royal College of Art in London, England, began experimenting with a nontoxic conductive paint. That work laid the foundation for their company Bare Conductive, which inspires artists and engineers to take … Continue reading


New Tricolor E-Paper Displays


Pervasive Displays recently launched the first two products in its Spectra family of three-pigment black, white and red e-paper displays (EPDs). Intended for a wide variety of applications (e.g., electronic shelf labels and smart cards), the thin Spectra EPD is an active … Continue reading


New “Easy Integration” Antenna for Small Devices

Antenova Inca

Antenova recently added the Inca (part no SRFI028) antenna to its flexiiANT FPC family. Designed for small devices in the 433-MHz ISM band, the compact (101 mm × 20 mm × 0.15 mm), lightweight (0.5 g) antenna is well-suited for small … Continue reading


Premier Farnell Acquired by Avnet

Avnet has reported that it recently completed its acquisition of Premier Farnell.  Premier Farnell is a Leeds, UK-based global distributor of electronic components that has a community of over 430,000 members in 36 countries. Source: Avnet 


802.11ax Wi-Fi Solution

Quantenna Communications recently introduced the QSR10G-AX Access Point, which supports the latest 802.11ax Draft 1.0 specification. Based on Quantenna’s QSR10G Wave 3 Wi-Fi platform, the QSR10G-AX supports 12 streams—eight streams in the 5-GHz band and four streams in the 2.4-GHz band. In addition, … Continue reading


Issue 316: EQ Answers


Question 1: What is the second grid in a tetrode vacuum tube for? How about the third grid in a pentode? Answer 1: In a triode, there is a certain amount of capacitance between the control grid and the plate, which contributes … Continue reading


Electrical Engineering Crossword (Issue 316)

CC316 crossword

Across OR—Disjunction DUMMYLOAD—A simulated electrical load [two words] AND—Conjunction TUBE—Valve ARITY—The number of operands FACTORIAL—n! RESONANCE—A circuit’s natural vibrating frequency DYNAMIC—The opposite of static ISR—Interrupt handler TETRADE—Half byte PERIPHERALMODULE—PMOD ATTENUATOR—Used to reduce an electronic signal’s amplitude CRIMP—Join without solder Down … Continue reading


Analog Tips & Tricks

The top image is the top copper layer from
an EAGLE board design. The bare board shows several
flaws, but the one on the bottom came out fine. The
ruler scales are 0.050″ vertically and 1 mm horizontally.
The board has extremely small features!

Are you looking for ways to improve your analog and RF circuitry? Engineer Ed Nisley provides a few tips for getting started. He shows you how easy it is to take your PCB wiring skills to the next level. Who … Continue reading


Newly Ratified IEEE 802.3bz Standard Allows 5-Gb Ethernet of Existing Infrastructures

The Ethernet Alliance, the global consortium dedicated to the advancement of Ethernet technologies, hailed the ratification of the IEEE 802.3bz standard, allowing an upgrade path for existing infrastructures, considering the more than 70 billion meters of Cat5e/Cat6 cabling installed worldwide. … Continue reading


Ultra-Low Noise, Ultra-High PSRR Low-Dropout Voltage Linear Regulator

LT3045 Linear

Linear Technology Corp. recently announced the LT3045 an ultra-low noise, ultra-high power supply ripple rejection (PSRR) low-dropout voltage linear regulator. It’s a higher output current version of its 200-mA LT3042 ultra-low noise LDO. The LT3045’s features, benefits, and specs: Ultra-low … Continue reading


Pocket IO PLC Development Platform for Industry 4.0 Applications

Maxim pocket-io

Maxim Integrated recently announced a new platform provides Industry 4.0 developers with real-time intelligence, adaptive manufacturing, and distributed control. Its Pocket IO programmable logic controller (PLC) development platform enables you to achieve the smallest form factor and highest power efficiency for innovative … Continue reading


Fully Integrated DDR Memory Power Solution

TPS54116-Q1 Press Photo

Texas Instruments recently launched a fully integrated power management solution for double date rate DDR2, DDR3, and DDR3L memory subsystems. Intended for use in automotive (e.g., infotainment and driver assistance systems) and industrial (e.g., measurement and automation) applications, the TPS54116-Q1 … Continue reading


Silicon Labs Acquires Micrium

Silicon Labs recently announced its acquisition of of Micrium, an RTOS software supplier. The strategic acquisition it intended to strengthen Silicon Labs’s position in the IoT market. The following statement from Daniel Cooley, Senior Vice President and General Manager of … Continue reading


RMS Power Detector Offers High Accuracy Measurement

Linear LTC5596

Linear Technology recently introduced the LTC5596, which is a high-frequency, wideband RMS power detector that provides accurate power measurement of RF and microwave signals independent of modulation and waveforms. It responds in an easy-to-use log-linear 29 mV/dB scale to signal … Continue reading


October Code Challenge (Sponsor: Programming Research)

Click to enlarge. Find the error and submit your answer via the online submission form below. Submission deadline: 2 PM EST, October 20.

Ready to put your programming skills to the test? Take the new Electrical Engineering Challenge (sponsored by Programming Research). Find the error in the code for a shot to win prizes, such as an Amazon Gift Card, a Circuit Cellar magazine … Continue reading