Consumer
Improving high-end active speaker performance using digital active crossover filters
- 05.21.2013 ·
- type: How To Article ·
- 4 Comment(s) ·
- Save & Follow
In a high-end active speaker, availability of DSP resources within a Class-D amplifier architecture allows easy implementation of digital active crossovers with significant audio performance advantages over their more traditional passive counterparts, while also providing benefits in accuracy, repeatability and efficiency. Read More...
Circuit protection: Understanding differences in the Human Body Model and IEC 61000-4-2 standards
- 05.03.2013 ·
- type: How To Article ·
- 1 Comment(s) ·
- Save & Follow
Electronics engineers need to understand the difference between manufacturing environment and end-user environment ESD testing. This includes device-level tests that are applied to ICs necessary to ensure real-world protection instead of just testing to get past manufacturing. Read More...
Super-resolution imaging algorithm for low-energy mobile applications
- 04.30.2013 ·
- type: Product Brief ·
- Save & Follow
CEVA claims to offer the first software-based Super-Resolution (SR) technology for embedded applications, bringing PC system-equivalent imaging performance to low power mobile devices. Read More...
Using audio codecs IP as the digital audio hub in mobile multimedia systems
- 04.23.2013 ·
- type: How To Article ·
- Save & Follow
By integrating an audio analog codec that implements the 'audio hub' functionality, tablet and smartphone SoC system designers can free the scarce main processor resources for more relevant tasks and simplify the system design. Read More...
Product How-To: High-quality wireless audio in the car
- 04.09.2013 ·
- type: How To Article ·
- 1 Comment(s) ·
- Save & Follow
As the home environment marches towards the reality of wireless connectivity, car drivers and passengers are expecting the same functionality and freedom associated with a wire-free environment. New developments in Bluetooth, the most ubiquitous of wireless protocols, offer the potential to make this possible. Read More...
Signal Chain Basics #73: Audio metering, enjoying the VU
- 04.03.2013 ·
- type: How To Article ·
- 1 Comment(s) ·
- Save & Follow
Dafydd Roche, Audio Engineer, Texas Instruments focuses on how to make the most of audio metering. Read More...
Beat the automotive data-net bottleneck with new ICs, topologies
- 04.02.2013 ·
- type: How To Article ·
- Save & Follow
This article describes a high-speed vehicle network technology that can support the many displays and other functions users expect, while avoiding cabling and connector issues in auto applications. Read More...
Audio synthesis and noise reduction in modern vehicles
- 03.29.2013 ·
- type: How To Article ·
- Save & Follow
Audio optimization has become a mainstream issue for today’s auto designers. From compensating for the absence of engine noise to keeping sound levels down in the vehicle interior, audio synthesis and noise suppression solutions can help. Read More...
New approaches to switched-mode audio power amplifiers (Part 2)
- 03.25.2013 ·
- type: How To Article ·
- 3 Comment(s) ·
- Save & Follow
New controls enable a variation on the switched-mode amplifier offering the efficiency of Class D with the performance of a linear amplifier. These amplifiers can be smaller and less expensive than the alternatives. Read More...
My MP3 player wouldn't shut up
- 03.25.2013 ·
- type: Blog ·
- 9 Comment(s) ·
- Save & Follow
The so-called power-on/off switch was soft, and the resulting unstoppable operation of this small unit reminded me that in a proper design, "off" should mean just that, not "maybe off." Read More...
Active loudspeaker design workshop
- 03.19.2013 ·
- type: Blog ·
- Save & Follow
An upcoming live event/webcast offers the opportunity to learn active loudspeaker design tricks of the trade from a variety of experts in the field, including Peter Eastty and Ian Dennis. Read More...
New approaches to switched-mode audio power amplifiers (Part 1)
- 03.06.2013 ·
- type: How To Article ·
- 6 Comment(s) ·
- Save & Follow
New controls enable a variation on the switched-mode amplifier offering the efficiency of Class D with the performance of a linear amplifier. These amplifiers can be smaller and less expensive than the alternatives. Read More...
Spread Spectrum – Safe haven for wireless consumer applications—Part III
- 03.04.2013 ·
- type: How To Article ·
- Save & Follow
Here is the final segment of a three-part series. In this segment, the next critical step is to establish synchronization between a transmitter and the corresponding receiver. Some important concepts related to this are discussed. Read More...
NXP claims sound quality breakthrough with 9.5-V boost voltage in mobile micro speakers
- 03.03.2013 ·
- type: Product Brief ·
- Save & Follow
NXP Semiconductors is launching a speaker driver IC that enables a 9.5 V boost voltage from an integrated DC/DC converter. Read More...
Fully depleted silicon technology to underlie energy-efficient designs at 28 nm and beyond
- 02.20.2013 ·
- type: How To Article ·
- 4 Comment(s) ·
- Save & Follow
To date, transistor scaling has continued in accordance with Moore's Law down to 32 nm. Now the semiconductor industry is starting to deploy new technologies to address performance and power efficiency challenges, largely relying on "fully-depleted" transistors for continued scaling and performance gains. Read More...
New LED driving techniques reduce power in LCD TVs
- 02.12.2013 ·
- type: How To Article ·
- 2 Comment(s) ·
- Save & Follow
New design techniques in LED driver circuits promise to deliver significant energy savings that will go a long way toward helping TV manufacturers meet the tough requirements for power consumption. Read More...
Low-duty-cycle LED flasher keeps power draw at 4 mW
- 01.23.2013 ·
- type: Design Idea ·
- 12 Comment(s) ·
- Save & Follow
In situations where a low-duty-cycle blinking indicator provides an adequate indication of the power being turned on, this simple circuit should prove useful. Read More...
Signal-powered switch connects devices
- 05.10.2012 ·
- type: Design Idea ·
- Save & Follow
Use a switch to selectively connect a terminal, personal computer, or any other originating device to one of four receivers. Read More...
Measure resistance and temperature with a sound card
- 05.26.2011 ·
- type: Design Idea ·
- 4 Comment(s) ·
- Save & Follow
Measure resistance and use free software to convert to temperature. Read More...
Send MIDI signals over long distances
- 05.12.2011 ·
- type: Design Idea ·
- 2 Comment(s) ·
- Save & Follow
A single Category 5 cable links MIDI devices up to 100m away. Read More...
Passive-detector receiver keeps you informed, entertained during flights
- 05.12.2005 ·
- type: Design Idea ·
- 3 Comment(s) ·
- Save & Follow
Receive HF AM signals without battery power. Read More...
Build a simple, soft-action muting switch
- 10.14.2004 ·
- type: Design Idea ·
- Save & Follow
Edited by Bill Travis Read More...
Circuit combines power supply and audio amplifier
- 12.20.2001 ·
- type: Design Idea ·
- 1 Comment(s) ·
- Save & Follow
Edited by Bill Travis Read More...
Video emitter uses battery power
- 08.30.2001 ·
- type: Design Idea ·
- 2 Comment(s) ·
- Save & Follow
This hows how to make a cable-free, direct-video system. You can use the small and simple system each time you need to capture image and sound on the run. Read More...
Circuit eliminates PC echoes
- 03.30.2000 ·
- type: Design Idea ·
- Save & Follow
Long-distance-telephone services available via the Internet often require the PC user to wear headphones of a headset to prevent echo caused by the microphone's picking up the loudspeaker outputs. The circuit in Figure 1 eliminates the echo while using the existing PC microphone and speakers for a comfortable conversation. Read More...
Add music to your next project
- 12.23.1999 ·
- type: Design Idea ·
- 1 Comment(s) ·
- Save & Follow
Adding music to your next design is as simple as using one I/O pin to drive the speaker and approximately 150 words of program memory to play the music. You can store the musical notes and durations internally in program memory or externally in a serial EEPROM. Frequently, implementing musical playback requires an external processor with memory or a specialized melody device. Read More...
Bluetooth SoC doubles battery life of app-enabled peripherals
- 05.21.2013 ·
- type: Product Brief ·
- Save & Follow
With SmartBond, Dialog Semiconductor has released what the company claims to be the world's lowest power and smallest Bluetooth Smart SoC, which more than doubles the battery life of an app-enabled smartphone accessory or computer peripheral in comparison to competing solutions on the market. Read More...
UL-certified software streamlines development for consumer functional safety
- 05.21.2013 ·
- type: Product Brief ·
- Save & Follow
New UL-certified software packages from Texas Instruments are helping make designing functional safety consumer applications using C2000 real-time control microcontrollers easier and faster. Read More...
Super-resolution imaging algorithm for low-energy mobile applications
- 04.30.2013 ·
- type: Product Brief ·
- Save & Follow
CEVA claims to offer the first software-based Super-Resolution (SR) technology for embedded applications, bringing PC system-equivalent imaging performance to low power mobile devices. Read More...
First eight-channel PWM HD audio processor with dual asynchronous SRCs
- 04.21.2013 ·
- type: Product Brief ·
- Save & Follow
Texas Instruments has introduced the industry’s first 8-channel pulse-width modulator (PWM) audio processor with dual asynchronous sample rate converters (ASRCs) integrated on a single chip. Read More...
Advanced haptic driver simplifies adding tactile feedback to consumer, industrial products
- 04.03.2013 ·
- type: Product Brief ·
- Save & Follow
Texas Instruments has introduced a haptic driver that makes it easy to add realistic tactile feedback effects to consumer and industrial products, such as smartphones, tablets, ebooks, refrigerators, microwave ovens and washing machines. Read More...
Programmable hall switch extends flexibility of detection circuit designs
- 03.31.2013 ·
- type: Product Brief ·
- Save & Follow
Diodes Incorporated has introduced a programmable omnipolar Hall effect switch enabling designers to use the same contactless detection circuit in multiple applications or with different field strengths. Read More...
Single-cell battery charger ICs with I2C and USB OTG output cut charge time in half
- 03.31.2013 ·
- type: Product Brief ·
- Save & Follow
Texas Instruments has introduced lithium-ion battery charger ICs that reduce charge time by 50% in smartphones and tablets compared to other charger solutions. Read More...
Audio processor IC slashes system cost for TV soundbar apps
- 03.17.2013 ·
- type: Product Brief ·
- Save & Follow
Ismosys partner ESS Technology has released a new generation of TV soundbar SoCs for home-cinema digital sound and TV soundbar applications. Read More...
NXP claims sound quality breakthrough with 9.5-V boost voltage in mobile micro speakers
- 03.03.2013 ·
- type: Product Brief ·
- Save & Follow
NXP Semiconductors is launching a speaker driver IC that enables a 9.5 V boost voltage from an integrated DC/DC converter. Read More...
IR time-of-flight proximity sensor opens up new smartphone user interactions
- 03.03.2013 ·
- type: Product Brief ·
- Save & Follow
Combining three optical elements in a single compact package, the VL6180 is the first member of ST's FlightSense family and uses a new optical-sensing technology that enables innovative new user interactions with smartphones. Read More...
microSDHC memory card supports HD content viewing
- 03.03.2013 ·
- type: Product Brief ·
- 1 Comment(s) ·
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Toshiba Corporation has released new microSDHC memory cards based on SeeQVault technology that will provide a flexible platform for storing and distributing high definition content. Read More...
Compact ozonizer removes germs, eliminates odors in consumer, automotive accessory apps
- 01.27.2013 ·
- type: Product Brief ·
- Save & Follow
Murata's ultra-compact MHM500 ozonizer module is constructed on a low temperature co-fired ceramic (LTCC) element. Read More...
Far-field voice processor enhances smart TVs
- 01.16.2013 ·
- type: Product Brief ·
- 1 Comment(s) ·
- Save & Follow
The CX20865 far-field voice-input processor from Conexant integrates an ASR (automatic speech recognition) engine and dual-core 32-bit DSP to bring hands-free voice control to smart TVs and set-top boxes. Read More...
Integrated power modules enable heatsink-free solution for low-power Class-D audio
- 01.13.2013 ·
- type: Product Brief ·
- Save & Follow
International Rectifier has expanded its PowIRaudio family of integrated power modules with the introduction of the IR4311M and IR4312M. Read More...
Welcoming the son of iPad–introducing the iPad Mini
- 11.07.2012 ·
- type: Teardown ·
- 1 Comment(s) ·
- Save & Follow
UBM TechInsights peels back the layers on Apple's initial entry into the 7-inch tablet realm. Read More...
Teardown: Inside the Apple iPhone 5
- 09.21.2012 ·
- type: Teardown ·
- 1 Comment(s) ·
- Save & Follow
A complete teardown and close-up look inside Apple's iPhone 5, including teardown images, estimated BOM, and A6 processor analysis. Read More...
Teardown: Inside the Kindle Fire HD
- 09.20.2012 ·
- type: Teardown ·
- 6 Comment(s) ·
- Save & Follow
A photographic play-by-play of the UBM TechInsights teardown of the Amazon Kindle Fire HD. Read More...
Teardown: Disposable 1-Tbyte NAS drives: How'd that happen?
- 05.07.2013 ·
- type: Teardown ·
- 11 Comment(s) ·
- Save & Follow
An external NAS drive almost became a perfectly functioning doorstop, but it was donated to science so we can see inside. Read More...
Inside the Schick Hydro microcontroller-powered wet razor
- 05.16.2012 ·
- type: Teardown ·
- 47 Comment(s) ·
- Save & Follow
Though the shaving experience may be overrated, a look inside the Schick Hydro reveals another unexpected application for microcontrollers—in this case a less-than-$1 PIC10F222 from Microchip. Read More...
Teardown slideshow: Inside the third-generation iPad
- 03.20.2012 ·
- type: Teardown ·
- Save & Follow
The third generation of Apple Inc's wildly successful iPad media tablet features a modified version of Apple's A5 processor Read More...
Vizio VTAB1008 tablet: symbiosis of man and machine
- 01.19.2012 ·
- type: Teardown ·
- 2 Comment(s) ·
- Save & Follow
There’s just something about the 8-in. Vizio VTAB1008 Android tablet: You take it out of the box, turn it on, start using it, and immediately get attached to it. Read More...
Unleashing the power of Tegra-2
- 12.15.2011 ·
- type: Teardown ·
- Save & Follow
The less-than-$300, Android 2.2-based ViewSonic gTablet has the horsepower to make it competitive with high-end devices—that is, if you have the stomach and time for rooting and hacking. Read More...
The Apple iPhone 4S teardown
- 12.08.2011 ·
- type: Teardown ·
- Save & Follow
The iPad 2 and the introduction of the A5 processor within its casing foretold its use in the iPhone 4S. Read More...
Chumby offers opportunity for home engineering
- 08.04.2011 ·
- type: Teardown ·
- 1 Comment(s) ·
- Save & Follow
Because anyone can submit an app and Chumby Industries has been very open to hacking the Linux kernel, there are several ways to change the firmware with OpenEmbedded to tailor the Chumby One to your own needs. Read More...
Improving high-end active speaker performance using digital active crossover filters
- 05.21.2013 ·
- type: How To Article ·
- 4 Comment(s) ·
- Save & Follow
In a high-end active speaker, availability of DSP resources within a Class-D amplifier architecture allows easy implementation of digital active crossovers with significant audio performance advantages over their more traditional passive counterparts, while also providing benefits in accuracy, repeatability and efficiency. Read More...
Circuit protection: Understanding differences in the Human Body Model and IEC 61000-4-2 standards
- 05.03.2013 ·
- type: How To Article ·
- 1 Comment(s) ·
- Save & Follow
Electronics engineers need to understand the difference between manufacturing environment and end-user environment ESD testing. This includes device-level tests that are applied to ICs necessary to ensure real-world protection instead of just testing to get past manufacturing. Read More...
Using audio codecs IP as the digital audio hub in mobile multimedia systems
- 04.23.2013 ·
- type: How To Article ·
- Save & Follow
By integrating an audio analog codec that implements the 'audio hub' functionality, tablet and smartphone SoC system designers can free the scarce main processor resources for more relevant tasks and simplify the system design. Read More...
Product How-To: High-quality wireless audio in the car
- 04.09.2013 ·
- type: How To Article ·
- 1 Comment(s) ·
- Save & Follow
As the home environment marches towards the reality of wireless connectivity, car drivers and passengers are expecting the same functionality and freedom associated with a wire-free environment. New developments in Bluetooth, the most ubiquitous of wireless protocols, offer the potential to make this possible. Read More...
Signal Chain Basics #73: Audio metering, enjoying the VU
- 04.03.2013 ·
- type: How To Article ·
- 1 Comment(s) ·
- Save & Follow
Dafydd Roche, Audio Engineer, Texas Instruments focuses on how to make the most of audio metering. Read More...
Audio synthesis and noise reduction in modern vehicles
- 03.29.2013 ·
- type: How To Article ·
- Save & Follow
Audio optimization has become a mainstream issue for today’s auto designers. From compensating for the absence of engine noise to keeping sound levels down in the vehicle interior, audio synthesis and noise suppression solutions can help. Read More...
New approaches to switched-mode audio power amplifiers (Part 2)
- 03.25.2013 ·
- type: How To Article ·
- 3 Comment(s) ·
- Save & Follow
New controls enable a variation on the switched-mode amplifier offering the efficiency of Class D with the performance of a linear amplifier. These amplifiers can be smaller and less expensive than the alternatives. Read More...
New approaches to switched-mode audio power amplifiers (Part 1)
- 03.06.2013 ·
- type: How To Article ·
- 6 Comment(s) ·
- Save & Follow
New controls enable a variation on the switched-mode amplifier offering the efficiency of Class D with the performance of a linear amplifier. These amplifiers can be smaller and less expensive than the alternatives. Read More...
Fully depleted silicon technology to underlie energy-efficient designs at 28 nm and beyond
- 02.20.2013 ·
- type: How To Article ·
- 4 Comment(s) ·
- Save & Follow
To date, transistor scaling has continued in accordance with Moore's Law down to 32 nm. Now the semiconductor industry is starting to deploy new technologies to address performance and power efficiency challenges, largely relying on "fully-depleted" transistors for continued scaling and performance gains. Read More...
New LED driving techniques reduce power in LCD TVs
- 02.12.2013 ·
- type: How To Article ·
- 2 Comment(s) ·
- Save & Follow
New design techniques in LED driver circuits promise to deliver significant energy savings that will go a long way toward helping TV manufacturers meet the tough requirements for power consumption. Read More...
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So, what are the best headphones?
A few weeks ago, I added my two cents on [url=http://www.edn.com/blog/Design_Cycle/41688-It_s_my_turn_to_tell_Apple_what_to_do.php]what... Read more...
Video emitter uses battery power
This hows how to make a cable-free, direct-video system. You can use the small and simple system each time you need to capture image and sound on the run. Read more...
