CR4 - The Engineer's Place for News and Discussion ®
Login | Register for Engineering Community (CR4)


Sponsored by:
Communications & Electronics
05/02/2016 12:00 AM

See all Forum Threads

Section Forums

Communications & Electronics

3511 threads, 30129 comments (2 Viewing)
 

Antenna Bandwidth

05/29/2016 by Michael Rogers
If an element is at a center resonant frequency, it will show a negative gain gradient as one moves off its resonant frequency, is this 'area under th...
Pathfinder Tags: antenna gain
Views: 97, Comments: 10
Last comment 05/29/2016 by Johny451
 

Yagi Antenna

05/13/2016 by dj95401
I've been searching the net for a proven Yagi antenna and yet to find one that's reliable. And was wondering if anyone has a build plan/ schematic for...
Pathfinder Tags: yagi antenna
Views: 398, Comments: 12
Last comment 05/26/2016 by RAMConsult
 

PCM for Battery Pack

05/09/2016 by deanpavil
I have a Li-Ion battery pack shown above. THe PCM board no longer works. The unit got wet and burned the B+ trace. We tried jumpering the trace but t...
Views: 204, Comments: 6
Last comment 05/10/2016 by Deefburger
Go to this Forum

  
Advertisement
See all Blog Entries

Section Blogs

Electronic Product Design

95 blog entries, 354 comments (0 Viewing)

Flexible Silicon Transistors Set New Speed Record

05/24/2016 by Engineering360 eNewsletter
Using low-temperature processes to pattern circuitry on single-crystalline silicon placed on a flexible polyethylene terephthalate (PET) substrate...
Views: 69, Comments: 1
Last comment 05/24/2016 by Brave Sir Robin

The Virtual Author

05/07/2016 by Engineering360 eNewsletter
Artificial intelligence and natural language processing have taken center stage, playing increasingly bigger roles in applications ranging from perso...
Views: 100, Comments: 6
Last comment 05/10/2016 by SolarEagle

Storing Digital Data Forever

04/04/2016 by Engineering360 eNewsletter
You heard it right. Researchers at the University of Southampton in the U.K. have developed 5D optical memory technology that can store digital data...
Views: 180, Comments: 14
Last comment 04/07/2016 by ci139
Go to this Blog

Electronic Components

112 blog entries, 676 comments (0 Viewing)

What Makes Your Smartphone Smart?

05/23/2016 by Engineering360 eNewsletter
Typically, a smartphone consists of components like microprocessors, system-on-a-chip (SoC) IC, cameras, sensors, display, operating system (OS),...
Views: 144, Comments: 6
Last comment 05/24/2016 by 70AARCuda

Technologies Improve Voice Processing to Expand Applications

05/08/2016 by Engineering360 eNewsletter
Currently, voice processing products such as smartphones are tailored for near-field applications where the distance is measured in few centimeters....
Views: 75, Comments: 4
Last comment 05/08/2016 by Rixter

Mayors Call on Technology to Help America's Cities

02/21/2016 by Engineering360 eNewsletter
At the recent U.S. Conference of Mayors in Washington DC, participants cited LED lighting as a top priority for curbing climate-changing emissions an...
Views: 217, Comments: 26
Last comment 05/20/2016 by machia0705
Go to this Blog

Acoustics & Audio Technology

80 blog entries, 610 comments (0 Viewing)

Sensing Water Leaks by Their Sound

05/20/2016 by Engineering360 eNewsletter
In a world suffering water shortages that promise only to get worse, simply detecting and correcting leaks in existing infrastructure can improve...
Views: 114, Comments: 5
Last comment 05/25/2016 by Bayes

High Levels of High-frequency Noise in Public Spaces

03/30/2016 by Engineering360 eNewsletter
Can a sound hurt you even though its frequency lies above the normal range of human hearing? A resounding "yes" according to research from the Univer...
Views: 150, Comments: 4
Last comment 04/01/2016 by Phys

Facelift for Classic Audio Tech

09/28/2015 by Engineering360 eNewsletter
No need to relegate older audio technologies to the trash pile. For example, the big move to wireless multi-room audio doesn't mean you need to aband...
Views: 320, Comments: 1
Last comment 09/30/2015 by Brave Sir Robin
Go to this Blog

Wireless Technology Blog

111 blog entries, 2474 comments (0 Viewing)

High-Stakes Racing is the Newest Drone Application

05/18/2016 by HUSH
Even as an adult, I love small-scale radio-controlled vehicles. As a kid I had tons of RC cars, trucks and even a hovercraft. Today, my RC collectio...
Pathfinder Tags: drone racing radio control RF
Views: 151, Comments: 11
Last comment 05/20/2016 by Mikerho

Engineers Create Wi-Fi Using Less Power

04/10/2016 by Engineering360 eNewsletter
Wi-Fi uses a lot of energy and can drain the battery life of wireless devices. But, a university research team has found a way to create Wi-Fi transm...
Views: 236, Comments: 6
Last comment 04/11/2016 by Rixter

Wireless Trends In 2016

02/08/2016 by Engineering360 eNewsletter
Industry insiders have made their predictions about wireless tech trends in 2016, and many of them revolve around IoT. First, edge computing will gar...
Views: 191, Comments: 0
Go to this Blog

Display Technologies

97 blog entries, 317 comments (0 Viewing)

Pop-up Ads Can Now Follow You Into the Real World

05/04/2016 by HUSH
For someone who lives so close to large metropolitan areas, billboards are a common sight. So much so that even though I regularly see up to several...
Pathfinder Tags: Advertisement billboard data collection marketing
Views: 130, Comments: 4
Last comment 05/06/2016 by adreasler

Bigger, Curvier, Higher Resolution — and Virtual Reality

03/03/2016 by Engineering360 eNewsletter
Last year's CES focused on 4K, and the resolution fight continued in 2016 with the SUHD format (an enhanced 4K experience). The trade show to end all...
Views: 70, Comments: 0

Virtual Reality Drives Gesture Control Market Growth

01/05/2016 by Engineering360 eNewsletter
Gesture control is assuming a growing role in applications where it complements, rather than competes with, touch technology. Its convenience and pra...
Views: 118, Comments: 0
Go to this Blog

Data Acquisition

100 blog entries, 692 comments (0 Viewing)

The Wheatstone Bridge: Still Alive and Kicking

05/04/2016 by Engineering360 eNewsletter
Invented in 1833, the Wheatstone bridge is still used today. The fundamentals are unchanged. A resistance is measured by applying a voltage across tw...
Views: 253, Comments: 13
Last comment 05/13/2016 by James Stewart

New Markets for Fiber Optic Strain Sensing

04/14/2016 by Engineering360 eNewsletter
Strain measurement is critical to designing structures that will be experiencing high stresses.Fiber optic sensing (FOS) systems have a number of adv...
Views: 70, Comments: 0

Extend Industrial Ethernet Down to the Sensor Layer

03/21/2016 by Engineering360 eNewsletter
Sensors traditionally feature 4-20 mA analog outputs. For integration into a network, each one must be separately wired to a controller via star topo...
Views: 64, Comments: 0
Go to this Blog

Appliance Technology

76 blog entries, 521 comments (0 Viewing)

The IoT Struggles to Find a Home

04/22/2016 by HUSH
We've been told for several years that the Internet of Things (IoT) was going revolutionize how we interact with everything. From changing the therm...
Pathfinder Tags: engineering management home automation iot Nest
Views: 109, Comments: 3
Last comment 04/27/2016 by BestInShow

Cloud Network Expands as IoT Ramps Up

04/17/2016 by Engineering360 eNewsletter
Beginning in 2017, the Bosch IoT Cloud - already connecting existing customers - will be made available as a service to other companies. The Bosch Sm...
Views: 83, Comments: 0

Spotlight on Smart LEDs

02/15/2016 by Engineering360 eNewsletter
Brainy solid state bulbs bring a whole new level of control and functionality to the home. Smart LEDs control indoor environments by connecting to a...
Views: 238, Comments: 7
Last comment 02/16/2016 by SolarEagle
Go to this Blog

Networking & Communications

93 blog entries, 1045 comments (0 Viewing)

Shaping the Car of the Future

04/12/2016 by Engineering360 eNewsletter
Anyone who watches the nightly news knows that autonomy and connectivity will define the car of the future. While these technologies have separate ev...
Views: 100, Comments: 1
Last comment 04/12/2016 by Rixter

Firewall: Friend or Foe?

03/30/2016 by SavvyExacta
As industrial systems have adopted Ethernet infrastructure and become interconnected to corporate IT systems, firewalls have become essential compon...
Pathfinder Tags: Belden Firewall iot security
Views: 142, Comments: 4
Last comment 04/01/2016 by SavvyExacta

How to Protect Your Privacy on Public Wi-Fi

03/21/2016 by Quasar
Public Wi-Fi can be a convenient way to get a fast internet connection or avoid data caps on mobile phone plans. The downside is that public wireless...
Pathfinder Tags: public wi-fi security
Views: 182, Comments: 0
Go to this Blog

Solutions for Industrial Computing

184 blog entries, 738 comments (0 Viewing)

Programmable Digital Power Control

04/06/2016 by SavvyExacta
The digital power IC market is forecast to grow more than 40% year over year until 2019. Applications outside of the server and telecommunication sec...
Views: 66, Comments: 1
Last comment 04/07/2016 by ci139
Go to this Blog

Light & Laser Blog

128 blog entries, 1115 comments (0 Viewing)

The Key to Practical Optical Interconnects

02/24/2016 by Engineering360 eNewsletter
As metal conductors increasingly become the limiting factor in computer speed, silicon photonics technology generates ever more interest. Optical int...
Views: 114, Comments: 0

Drive By (Optoelectronic) Light

12/07/2015 by Engineering360 eNewsletter
Forget about those LED turn signals that were all the rage. The next big advance in automotive lighting will come from headlamps featuring adaptive L...
Views: 289, Comments: 5
Last comment 12/10/2015 by Brave Sir Robin

Construction Kicks Off for LSST Camera

11/04/2015 by Engineering360 eNewsletter
It's official: the U.S. Department of Energy has given the go-ahead for the start of construction on the 3.2 gpix digital camera that will be the eye...
Views: 154, Comments: 1
Last comment 11/07/2015 by 70AARCuda
Go to this Blog

TeknologikL

134 blog entries, 1317 comments (0 Viewing)

Dawn of the Balance Scooter

12/02/2015 by HUSH
What did you do on Black Friday? If you're like me, you drove home from Thanksgiving and avoided leaving the house due to the yearly sales armageddo...
Pathfinder Tags: gyroscope mobility scooter Segway
Views: 493, Comments: 7
Last comment 02/13/2016 by geekykant
Go to this Blog

Other Blog Entries of Interest

Webinar Calendar – January 2016

01/11/2016 posted in IHS Product Design Blog
by SavvyExacta
Engineering360 has a great lineup of webinars each month. Learn about specific topics from industry experts, for free, from the comfort of your own...
Pathfinder Tags: adhesives education electronics emissions pollution control ...
Views: 259, Comments: 0

Meet the Team: Bryan DeLuca, Director of Content and Publishing at Electronics360

01/08/2016 posted in The CR4 Admin Blog
You may have seen a recent post about CES from Bryan DeLuca. There was some confusion over whether he was spamming CR4. That's not the case; he's part...
Pathfinder Tags: Electronics360
Views: 235, Comments: 2
Last comment 01/11/2016 by 70AARCuda

Webinar Calendar - December 2015

12/17/2015 posted in IHS Product Design Blog
by SavvyExacta
December is halfway over, but there's still one more webinar on the Engineering360 calendar for 2015. Webinars allow you to learn about specific topi...
Pathfinder Tags: microwave power RF Semiconductor
Views: 194, Comments: 0

Spotted on My Trail Camera

06/20/2015 posted in Animal Science
by SavvyExacta
Last month I set up a trail camera in a wooded part of my property. It's caught family members, a guy we don't know, and a few animals. I thought I'd...
Pathfinder Tags: ANIMAL SCIENCE trial cam
Views: 772, Comments: 34
Last comment 06/23/2015 by IdeaSmith

AM Broadcasting: A Rebirth?

01/17/2014 posted in The Engineer's Notebook
by Jonathan Fuller
Picture this: you're an 8 year old on a Friday night in 1933, cross-legged on the floor next to your hulking, overheating Zenith console, impatientl...
Pathfinder Tags: digital broadcasting digital radio mondiale DRM shortwave
Views: 515, Comments: 1
Last comment 01/18/2014 by Chankley

3 Lessons from the Mobile Phone

04/26/2013 posted in Speaking of Precision
by Milo
It has been 40 years since Motorola engineer Marty Cooper called a colleague at a rival company from his "real cellular phone." That was 1983. 40 yea...
Pathfinder Tags: mobile phones
Views: 476, Comments: 22
Last comment 04/30/2013 by phoenix911

Advertisement

New Privacy Policy

We have adopted new policies. Please read each one carefully.

OK