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Content posted in August 2012
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SIGNAL CHAIN BASICS #69: Deliberately increasing THD in audio processing systems: How and why?
8/31/2012   15 comments
For those of you trying to produce higher fidelity from your audio system, here’s a new concept for you. Many systems, especially those in the home theater / mini-micro combo market, deliberately add distortion to the output signal.
SIGNAL CHAIN BASICS #65: Tracking down spurious signals in high-speed DACs
8/31/2012   Post a comment
Develop tactics and techniques for troubleshooting this likely problem
IDT charges ahead with Intel on wireless power
8/31/2012   3 comments
IDT is hoping that with Intel's help it can help accelerate the adoption of wireless charging. With numerous specs evolving, analysts are unsure how the market will play out.
New low power TWELP vocoder delivers crystal clear voice performance
8/29/2012   Post a comment
CML Microcircuits has expanded the company’s DuraTALK digital voice processor range with the release of a new professional radio low bit-rate 2.4 kbps vocoder.
Microchip MCP47A1 D/A converter
8/29/2012   Post a comment
This low-power, low-cost 6-bit volatile D/A converter with command code features a 1.8-5.5V wide operating voltage range and I2C/SMBus compatibility.
Darpa sees 'upside' benefits in analog
8/28/2012   1 comment
The defense agency's UPSIDE program has set out to find processing techniques that can replace power-hungry digital chips in intelligence, surveillance and reconnaissance systems.
ADC Basics (Part 1): Does your ADC work in the real world?
8/27/2012   4 comments
Delta-sigma ADCs determines its digital output word by oversampling the analog input signal. The delta-sigma input modulator stage oversamples the analog input signal and converts it to a 1-bit digital data stream.
App Note: Use current or voltage in analog transducer readings?
8/25/2012   3 comments
When choosing an analog measurement transducer for a variety of instrumentation monitoring applications including machine monitoring, quality assurance, and more, you will be given a choice of signal types.
IR has three PM chips for Ultrabook designs
8/23/2012   Post a comment
International Rectifier has introduced three chips that meet Intel’s VR12.6 specifications for 15W and 25W Intel’s Ultrabook laptop reference designs.
ADI's Fishman remains bullish despite economic uncertainty
8/22/2012   3 comments
CEO Jerald Fishman remains upbeat about Analog Device's ability to boost profits as it continues to grow its analog content in all of its major market sectors.
Revel Systems Brings iPad Cash Register To Supermarket Industry With Launch Of Grocery iPad Point-Of-Sale System
8/21/2012   Post a comment
Revel Systems Brings iPad Cash Register To Supermarket Industry With Launch Of Grocery iPad Point-Of-Sale System
Using a fixed threshold in ultrasonic distance-ranging automotive applications
8/16/2012   1 comment
In ultrasonic distance-ranging automotive applications such as ultrasonic park assist (UPA) and blind-spot detection (BSD), ultrasonic waves transmitted by the system are reflected by objects present in the vicinity.
SIGNAL CHAIN BASICS #68: Considerations for driving the reference pins on programmable gain amplifiers
8/14/2012   Post a comment
Programmable gain amplifiers (PGAs) are specialized amplifier configurations with trimmed internal resistor networks that offer improved performance over amplifiers used with discrete resistor components.
Freescale brings out 1- and 2-cycle cylinder controls
8/14/2012   Post a comment
Freescale Semiconductor has one-cylinder (MC33813) and two-cylinder (MC33814) electronic control semiconductors for small internal combustion engines for transportation, industrial and consumer applications.
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