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2015-08-17 Designing custom digital filter (Part 1)
In this article, we describe the process of designing of a decimation filter for a "quite high quality" audio communication system
2009-04-01 Design 101: Class D amplifiers
Class D audio amplification is fast becoming the solution of choice in consumer audio because of its ability to extend long battery life and compact dimensions
2012-06-08 Dealing with drooping DAC and ADC responses
Learn about the troublesome problem of unexpected droop when working on your DAC and ADC responses.
2006-08-14 DAC provides 87dB dynamic range
The new 24bit, I2S-compatible stereo DAC for digital audio applications from Maxim Integrated Products has a dynamic range of 87dB and a total harmonic distortion of less than -87dB
2007-08-03 Codec nudges forward wireless stereo headsets
Open Interface North America rolls out a lossless audio codec that provides better performance than its competitors without requiring new hardware
2008-04-16 Class G amps key in driving ceramic speakers
Today's portable devices drive a need for smaller, thinner and more power-efficient electronic components. Cellphone form factors have become thin that the traditional dynamic speaker has become the limiting factor in how thin manufacturers can make their handsets. Ceramic or piezoelectric speakers are quickly becoming a viable alternative to dynamic speakers.
2005-08-15 Build a differential circuit for OC-18 clock- and data-recovery
The key is understanding the tradeoffs associated with the potential modulation schemes.
2014-11-28 Boost data rates with clock generators
To meet the intensifying demands for higher data rates, high-speed networking and data centre equipment calls for frequency-flexible clock generator IC solutions to support faster data rates
2006-02-06 Bluetooth tester gets EDR hooks
The MT8852B Bluetooth test set from Anritsu provides both Enhanced Data Rate and Adaptive Frequency Hopping testing
2012-05-29 Bluetooth module makes speakers portable
HiWave Technologies' DyadBA3 Bluetooth module extends battery life in small-format, portable wireless speakers.
2014-11-26 Arriving soon: Thailand tunes in to digital radio
The National Broadcasting and Telecommunications Commission is considering the adoption of the newer version of digital audio broadcasting for Thailand's digital radio roadmap
2008-10-01 Analog vendors raise portable sound quality to higher level
With mobile phone users struggling to hear and be heard in noisy environments, designers are working hard to integrate more advanced audio processing into portable audio devices
2002-04-23 Alps develops SDARS tuner module
Alps Electric Co. Ltd has announced the development of the TDFA1 tuner module for the radio broadcasts of Sirius Satellite Radio Inc. using the US-based Satellite Digital Audio Radio Service (SDARS) broadcasting service
2008-10-16 8 hints for better spectrum analysis
The spectrum analyzer, like an oscilloscope, is a basic tool used for observing signals.
2005-04-20 50MHz IF signal analyzer is Windows-based
Interactive Circuits and Systems is rolling out an FPGA-based product called the ICS SignIFy that works as a portable low-cost IF signal analyzer.
2003-06-29 Vision-sound intercarrier measurement
This application note provides a method to measure vision-to-sound crosstalk using video signals with low-frequency sinewave signals
2002-09-01 Architecture eyes network, local speech
Speech recognition and telematics are teaming up to enable car drivers and passengers to browse Internet with their voices, plugging them into customized information and entertainment.
2005-05-19 Stereo jacks suit sound card modules
Designed for applications in sound card modules, the new stereo jack form Samlung functions over a wide range of audio frequency.
2008-08-22 Wireless transceiver improves packet channels
Amiccom has launched A7125 with a 2Mbit/s data rate and high performance 2.4GHz transceiver IC having an ideal transmission distance within 50m. The A7125 is an ultralow power wireless FSK transceiver having a working frequency of 2400?2483MHz ISM band
2006-12-15 USB 2.0 switch suits in-car entertainment apps
Fairchild said the fast switching performance of its new USB 2.0 switch makes it suitable for products that switch between USB/high-frequency signals, from slider cellphones and MP3 players to notebooks and in-car entertainment centers
2006-11-17 TI op-amps tout breakthrough performance
TI touts its two new precision op-amps as breakthrough performers for test and measurement, instrumentation, imaging, medical, audio and process control applications
2004-06-23 TI headphone driver allows sustained dynamic range of >120dB
TI introduced the TPA6120A2, a high-fidelity headphone driver that completes an entire audio signal chain for SACD and DVD audio players
2004-12-13 Switching regulator provides low noise, high efficiency
The MIC2203 from Micrel is a high efficiency 1MHz PWM synchronous buck switching regulator that features low noise constant frequency PWM operation
2007-11-20 Stereo codec touts TSC, mic, headphone amp
A low-power audio codec with a built-in microphone amplifier, touch-screen controller (TSC) and stereo headphone amplifier has been introduced by AKM Semiconductor Inc
2008-08-26 Semelab hands over components biz to TT electronics
TT electronics plc has acquired assets comprising the majority of the business of Semelab Ltd, which designs and produces specialized radio frequency and power semiconductors, optoelectronic components and power microcircuits and modules, primarily for the United Kingdom and European markets
2006-05-10 RF modules handle wideband A/V
Saelig Co.'s modules can let you send and receive audio and video on the 2.4GHz industrial-scientific-medical band
2005-01-10 RF calibrator crowds out multiple single-function instruments
Rohde and Schwarz's FSMR measuring receivers can serve not only as calibrators but as modulation analyzers, audio analyzers, RF power meters and spectrum analyzers
2003-11-03 Renesas microprocessor comes with host interface
Designed to suit DVD recorders, audio players, printers, sequencers, inverters and air conditioners, the SH7618 (HD6417618BG100) 32-bit SuperH RISC microprocessor from Renesas Technology Corp. incorporates an Ethernet controller and a host interface that facilitates connection to another microprocessor
2006-12-01 Reduce RF noise effects in headphone amplifier
Audio amps are being increasingly exposed to strong RF electric fields. Many are not designed with high-frequency RF interference in mind and thus can inadvertently demodulate information from an RF carrier into the audio band. There are several ways to minimize RF noise effects.
2008-03-24 RDS data receivers zoom in on portable, in-car apps
Silicon Laboratories Inc. has expanded its broadcast audio portfolio to include two high-performance radio data system (RDS) receivers, the Si4706 and Si4749
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