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Articles
Content posted in July 2007
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OLED driver IC sharpens images in MP3 players, handsets
Articles  
7/31/2007   Post a comment
Leadis Technology Inc. has started to sample the LDS519, a mono OLED driver IC with integrated controller supporting four gray 96x64 and 48-Icons.
Crosspoint switches support data rates up to 4.25-Gbits/s
Articles  
7/31/2007   Post a comment
TI has rolled out two analog chips that are capable of functioning as either crosspoint switches or buffers, giving designers the flexibility to use the devices in a wide variety of applications.
2-wire bus buffer provides bi-directional capacitance isolation for HDMI
Articles  
7/31/2007   Post a comment
Linear Technology has introduced the LTC4307-1, an HDMI-compliant bidirectional bus buffer that provides capacitance buffering and level shifting between HDMI source and sink devices.
Multi-channel IP encoder debuts for IPTV, Internet TV apps
Articles  
7/31/2007   Post a comment
Envivio has unveiled the latest version of its multi-channel IP encoder for IPTV and Internet TV it is marketing under the name 4Caster C4.
High-accuracy AC current sensors save board space
Articles  
7/30/2007   Post a comment
Silicon Laboratories has introduced the Si8500 family of low-loss, high-accuracy AC current sensors for a wide range of power applications. The Si8500 integrates the functional equivalent of a current transformer circuit into a 4 x 4 x 1-mm QFN package.
Programmable gain amplifier delivers 0.03 percent gain accuracy
Articles  
7/30/2007   Post a comment
Targeting industrial and instrumentation markets, National Semiconductor's high-precision LMP8100A programmable gain amplifier provides 0.03 percent gain accuracy across the full industrial temperature range.
AC sags cause appliance confusion
Articles  
7/30/2007   Post a comment
When the power dips and returns, be prepared for a state of confusion with your numerous home electronic devices...
Bill Schweber, Site Editor
Current limit switch protects portable devices
Articles  
7/27/2007   Post a comment
The SP619 current limit switch from Sipex provides fault protection in a variety of applications including portable devices and distributed power systems.
Supervisory circuit eliminates external devices
Articles  
7/27/2007   Post a comment
The AS1923 quad voltage microprocessor supervisory IC from austriamicrosystems monitors up to four system supply voltages without the need for external components.
16-bit RISC MCU drives large LCD displays
Articles  
7/26/2007   Post a comment
Take a look at Maxim's latest addition to its RISC MAXQ microcontroller product line. The MAXQ3100 integrates an RTC and LCD interface to save space in embedded and portable applications.
Basics of ADCs and DACs, part 2
Articles  
7/26/2007   Post a comment
Part 2 of this 5-part series explains how ADCs and DACs introduce noise through quantization and other "DC" errors. It also explains the characteristics of an ideal ADC.
Instrumentation amplifiers deliver lowest offset voltage, first quad device
Articles  
7/24/2007   Post a comment
Intersil has released a family of rail-to-rail input/output instrumentation amplifiers that includes the ISL28470, which the company says is the industry's first quad instrumentation amplifier.
DC/DC controller draws 30-microamps in automotive systems
Articles  
7/24/2007   Post a comment
Check out Linear Technology's ultra-low quiescent current, two-phase dual output synchronous step-down DC/DC controller that draws only 30µA when one output is active and only 50µA when both outputs are active, making it well-suited for automotive applications.
Line-card chips meet Synchronous Ethernet timing requirements
Articles  
7/24/2007   Post a comment
Zarlink Semiconductor Inc. is sampling a range of integrated analog/digital PLLs (phase-locked loops) that meet all Synchronous Ethernet timing requirements, including the latest recommendation from the ITU-T (International Telecommunications Union).
Tampa, RT Logic roll out satellite simulator with delay
Articles  
7/23/2007   Post a comment
Tampa Microwave has launched the SatSim Plus product family of satellite simulators, which combines its link simulation system with the advanced capabilities of channel simulators from RT Logic.
Zero-drift high side current sense amplifier provides 10-microvolts offset
Articles  
7/23/2007   Post a comment
Linear Technology's LTC6102 is a zero-drift high side current sense amplifier that provides a maximum input offset voltage of 10µV and is capable of accepting differential sense voltages up to 2-V.
National audio op amps promise industry's lowest distortion, highest linearity
Articles  
7/22/2007   Post a comment
Two families encompass 34 and 44V operation, THD+N of 0.00003% approaches "ideal" amplifier sought for by high-end audio designers
Integrated 200V audio driver packs power in small footprint
Articles  
7/22/2007   Post a comment
National Semiconductor IC includes soft-limiting clamp to minimize distortion, drives 200 V at 50 mA with 0.0007% THD+N
National audio op amps promise industry's lowest distortion, highest linearity
Articles  
7/22/2007   Post a comment
Two families encompass 34 and 44V operation, THD+N of 0.00003% approaches "ideal" amplifier sought for by high-end audio designers
Mimix transmitter spans 32 to 45GHz
Articles  
7/21/2007   Post a comment
Mimix Broadband, Inc. introduces a 32 to 45 GHz GaAs MMIC transmitter with integrated mixer, LO doubler/buffer and output amplifier
24-bit ADCs address precision industrial apps
Articles  
7/20/2007   Post a comment
TI's 4-channel ADS1274 and 8-channel ADS1278 analog-to-digital converters (ADCs) target demanding multi-channel signal acquisition applications such as vibration analysis, medical monitoring, industrial and energy metering equipment.
Surface-mount 1.2 to 40 V LDO can easily be paralleled
Articles  
7/20/2007   Post a comment
1.1 A, 3-terminal low dropout regulator has 300 mV dropout, tight regulation, low noise
Telecom timing IC enables 10-GbE Synchronous Ethernet
Articles  
7/19/2007   Post a comment
Maxim Integrated Products has developed a timing chip, designated the DS3104, that provides full carrier-class clock synchronization for Synchronous Ethernet (SyncE) and mixed SONET/SDH/SyncE line cards in next-generation telecom systems.
Step-up DC/DC controller eliminates heat sink
Articles  
7/18/2007   Post a comment
Linear's LTC3813 is a synchronous No RSENSE step-up switching regulator controller that eliminates the boost diode and the heat sink normally required in medium to high power non-synchronous boost converters.
ADC delivers fast sampling
Articles  
7/18/2007   Post a comment
Maxim Integrated Products has unveiled its high performance 8-bit, 2.2 Gsps analog-to-digital converter (ADC), aimed at broadband communication receivers, radar systems and high-end instrumentation.
Optical controller simplifies GPON transceiver design
Articles  
7/18/2007   Post a comment
Maxim Integrated Products has introduced the DS1865, an optical control, calibration and monitor IC that is designed to simplify GPON transceiver design. All control, monitoring, and fault management functions are implemented in the optical controller's CMOS process.
Low-threshold MPU supervisory circuits tout low power
Articles  
7/18/2007   Post a comment
Monitoring supplies between 0.9V to 1.5V, the AS1925 and AS1926 from austriamicrosystems are well-suited for monitoring low-voltage core supplies or single-cell battery applications.
RF Engines gets grant for flexible receiver development
Articles  
7/18/2007   Post a comment
Signal processing design specialist RF Engines Limited (RFEL) has secured a 65,000 research grant from the U.K. government for work on a flexible receiver architecture that is reconfigurable "on-the-fly".
CSR, Freescale team for wireless connectivity
Articles  
7/18/2007   Post a comment
Freescale Semiconductor is integrating Bluetooth chip specialist CSR's BlueCore4-ROM chip into its i.MXS development kit, bringing wireless connectivity to portable media designs.
Chipidea unveils mixed-signal IP platform
Articles  
7/17/2007   Post a comment
The platform addresses Wi-Fi, GPS, USB, WiMAX, Bluetooth and other applications.
Othello radio chip tailored for 3G TD-SCDMA wireless handsets
Articles  
7/16/2007   Post a comment
ADI's latest CMOS RF transceiver adds dual-band and HSDPA support and simplifies 3G radio design by eliminating need for costly SAW filters.
Codec brings audio fidelity to PCs, supports VoIP
Articles  
7/16/2007   Post a comment
IDT is sampling its first audio codec, which is designed to help bring home-entertainment-level audio fidelity to enterprise desktop and notebook systems, while supporting mobile user capabilities such as advanced processing for voice over Internet protocol (VoIP).
Vishay launches 4-ohm quad SPST CMOS analog switches
Articles  
7/16/2007   Post a comment
Vishay's latest analog switches offer low typical on-resistance flatness of 0.2 ohms and 44-V supply ratings in TSSOP16 and SOIC-16 packages.
Mixed-signal SoCs alter analog scene
Articles  
7/16/2007   Post a comment
There are two good reasons you probably haven't heard about Chipidea Microelectronica. First, it's an IC company based in Portugal, where no large semiconductor manufacturer exists and the local IC market is virtually nil. Second, anyone who understands the complexity of analog technologies and the intellectual property business wisely regards "analog IP" as a risky proposition.

Chips get GPON systems up to speed
Articles  
7/16/2007   Post a comment
With an eye toward cost reduction and providing triple-play services in a bandwidth-efficient manner, ser- vice providers are turning to Gigabit passive optical network (GPON) systems over Ethernet PON to transport 2.5-Gbit/second converged data and voice services in the last mile.

Abuse of statistics makes legitimate engineering use harder
Articles  
7/16/2007   Post a comment
One the easiest ways to crank out a story is to grab a few numbers, do a fast and loose analysis, and then extrapolate a trend. As an engineer, though, I know that good design is a combination of data, analysis, and intuition in the right balance, and misuse of numbers is an easy trap or trick.. . . .
Bill Schweber, Site Editor
Making MEMS accelerometers work in motion control
Articles  
7/13/2007   1 comment
Error budgets and tolerances affect a successful design; look at tactics to overcome these problems
Tiny video decoder complies with three major signal standards
Articles  
7/12/2007   Post a comment
OKI is sampling a video decoder LSI that complies with three video signal standards—NTSC, PAL and SECAM.
Digital TCXO achieves high accuracy over wide operating temperature range
Articles  
7/12/2007   Post a comment
The DS4026 DC-TCXO from Maxim Integrated Products offers a frequency accuracy and stability better than +/-1.0 ppm over a wide operating temperature range.
Bluetooth reference design adds echo cancellation function
Articles  
7/12/2007   Post a comment
To boost sound quality in automotive electronics applications, CSR has added echo cancellation to its RoadRunner Plug-n-Talk reference design.
Clock generators deliver low jitter for consumer applications
Articles  
7/11/2007   Post a comment
The CDCE9xx and CDCEL9xx family of highly programmable clock generators from TI can generate up to nine output clock sources from a single input frequency.
World's lowest power op amp?
Articles  
7/11/2007   Post a comment
Intersil's pinPOINT product line's new family of nano-power, single-supply precision op amps and comparators achieves supply current consumption of 450nA (Max).
Free software streamlines short-range radio design
Articles  
7/10/2007   Post a comment
Analog Devices has developed software to evaluate, design, and troubleshoot short-range radio communications devices for stand alone or embedded systems.
Over-voltage protection regulator replaces bulky protection circuitry
Articles  
7/9/2007   Post a comment
Linear Technology's LT4356 over-voltage protection regulator with over-current protection and inrush current limiting targets applications where electronic systems must deal with high-voltage surges of short duration.
Mobile I/O companion chips ease portable device designs
Articles  
7/9/2007   Post a comment
National Semiconductor's mobile I/O companion chip family enables designers to easily expand system functionality in portable products by offloading tasks from the processor and adding features through a reconfigurable set of simple commands.
SiP ballast IC targets compact fluorescent lamps
Articles  
7/9/2007   Post a comment
Fairchild Semiconductor has introduced the FAN7710, a highly integrated ballast IC specifically developed for compact fluorescent lamp (CFL) designs. Offering a system-in-package (SiP) approach, the FAN7710 optimizes performance while simplifying design and overcoming the space limitations of CFL lighting applications.
Measuring crosstalk in high-speed serial links
Articles  
7/8/2007   1 comment
Crosstalk affects adjacent-link signal integrity and system performance. Understand how to measure the agressor sources and their victim impact.
Current/power monitor IC achieves high accuracy
Articles  
7/6/2007   Post a comment
TI has introduced a high-side measurement, bi-directional current/power monitor IC with an I2C interface. The INA209 provides high accuracy for power monitoring and control in servers, telecommunications equipment and industrial equipment.
iPhone, uPhone, wePhone, morePhone?
Articles  
7/6/2007   Post a comment
Most of the Apple iPhone coverage has been worthless fluff designed to fill the news "hole", but we provide several in-depth technical teardowns from which you can actually learn something. . . .
Bill Schweber
Op amp delivers 200mA of peak output current from a single supply
Articles  
7/6/2007   Post a comment
austriamicrosystems has rolled out the AS1710, an operational amplifier that operates from a single +2.7V to +5.5V supply and can swing to within 100mV from the rails while sinking or sourcing 50mA of output current.
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