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2002-05-14 Video feedthrough: El Toro 68C/69B microwave synthesizers
This application note discusses the definition of video feedthrough, how it can be measured, and what effect it has on devices being tested.
2002-10-28 Level accuracy and electronic level settings of SMIQ
This application note describes the electronic attenuator functions of the SMIQ and how these functions can be used in production and production testing where frequent level setting is necessary.
2002-05-10 Global power sweep
This application note describes the functions of the power sweep and the many measurements it provides.
2003-02-10 Asahi Kasei audio ADC fits PVRs, DVRs
Asahi Kasei Microsystems Co. Ltd's AK5365 24-bit audio ADC features a 5-input selector, an analog ALC, and built-in recording volume control.
2003-02-27 AKM ships integrated audio CODEC in 28-pin QFN
Asahi Kasei Microsystems' AK4536 16-bit mono codec integrates an ALC, microphone, and speaker amps into a single 28-pin QFN package.
2005-10-25 AKM rolls new audio ADC for mobiles and stereo microphones
Asahi Kasei Microsystems introduced AK5701, a small, low power ADC with integrated microphone amplifier ALC and PLL, making it suitable for mobile phones, smart phones and PMP stereo microphone systems.
2007-07-04 Ultramini stereo codec integrates headphone amp
Asahi Kasei EMD Corp. unveils the AK4645, an ultra-mini stereo codec with integrated 70mW high-power headphone amplifier, four stereo analog input selector and PLL for cellphone, smart phone and PMP applications.
2015-08-06 Taking a look at every kind of EMI antenna
EMI antennas come in several forms: biconical; log-periodic; horn; bi-log, biconilog, hybrid-a combination of log-periodic and biconical; and specialty antennas.
2007-07-18 Stereo codec has dual PCM interfaces
Asahi Kasei EMD Corp. has launched the AK4671, a one-chip stereo codec featuring dual PCM interfaces for mobile device applications such as smartphones and portable navigation devices.
2006-05-12 Stereo audio CODEC with 1.2W speaker amp
AKM's single-chip 16-bit stereo A/D and D/A converter features a high-quality microphone equalizer and built-in microphone/headphone/speaker amplifier.
2005-01-05 NJR electronic volume with input selector
The NJW1154 from New Japan Radio is a 2-channel electronic volume with 6-in, 1-out stereo audio selector.
2005-01-20 Micron new CMOS sensor in Given diagnostic device
Micron said its new CMOS sensor is embedded in Given's swallowable diagnostic device that takes high-quality, high-speed photos as it passes through a patient's esophagus.
2008-09-02 Low-power stereo DAC improves sound of digital devices
AKM Semiconductor has released AK4373, a 24bit stereo DAC with advanced DSP and integrated speaker and headphone amplifiers, providing advanced sound field effects for digital music sources.
2010-07-30 Low-power mobile sound system has noise suppression
The LM49155 analog audio subsystem from National Semiconductor has announced features integrated noise reduction for mobile phones and other portable handheld applications.
2008-02-01 Integration key to 802.11n success
Technical challenges resulting from the latest wireless LAN (WLAN) specification, 802.11n, are significant. Serving multiple frequency bandwidths (2.4GHz and/or 5GHz) with multiple antennas, the devices used in 802.11n WLAN must be optimized for output power as well as size.
2014-03-14 Dialog rolls out audio codec for always on apps
The DA7212 audio codec boasts 650uW always-on power consumption and targets portable devices such as smart watches and connected fitness devices.
2005-07-18 DAC with 3D audio enhancement
AKM Semiconductor's low-power, stereo digital-to-analog converter with an integrated 3D-audio enhancement circuit was made for ultra-compact mobile phones, smart phones and portable media players
2007-06-06 Codec enhances voice recording in digital cameras
Asahi Kasei EMD Corp. releases AK4646, a low-power, high quality stereo ADC and DAC suited for digital video cameras, still cameras and other voice recording equipment.
2009-04-03 Audio subsystems aim to simplify design
National Semiconductor Corp. has expanded its line of low-power Boomer Class D audio subsystems with two devicesthe LM49352 mixed-signal audio subsystem and LM49151 analog subsystemaimed at simplifying portable product design.
2006-04-06 Audio codec integrates capless headphone amplifier
AKM Semiconductor released a low-power audio codec with an integrated capless headphone amplifier.
2005-05-26 AR Worldwide RF amplifier powers 100kHz to 250MHz apps
AR Worldwide has introduced its 1,000W model 1000A250 power amplifier designed for the 100kHz to 250MHz frequency range
2004-09-13 AKM audio codec with built-in touchscreen controller
Asahi Kasei Microsystems introduced a single-chip audio codec with a built-in touchscreen controller.
2003-04-25 AKM audio codec targeted at portable A/V apps
The AK4537 audio codec of Asahi Kasei Microsystems Co. Ltd integrates a 16-bit stereo ADC and DAC with stereo microphone amplifiers.
2002-10-23 AKM audio codec suited for portable A/V apps
The AK4566 20-bit audio codec integrates microphone input features and headphone amplifiers, making it suitable for use in portable A/V devices and personal electronics applications.
2002-02-21 AKM 20-bit codec operates from single, dual supply
Designed to operate from either a single 2.3V to 3.6V power supply or dual supply voltage, the AK4565 20-bit multifunction audio codec features microphone input capability and low power consumption for portable A/V devices and hands-free systems.
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