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Content posted in June 2006
Building a reliable capacitive-sensor interface
Articles  
6/29/2006   Post a comment
Capacitive sensors on printed-circuit boards are usually in the range of 50 fF to 20 pF, making it difficult to detect small changes accurately. Thus, while these increasingly popular sensors offer unique advantages, they require a suitable analog interface.
Reference design optimizes six-channel, Class D audio amp
Articles  
6/29/2006   Post a comment
International Rectifier's IRAUDAMP3 Class D audio reference design is a complete six-channel, 120-watt half-bridge Class D audio power amplifier.
Silicon-Germanium: The superior semiconductor technology for solid-state TV tuners
Articles  
6/28/2006   Post a comment
Because of the ubiquity of television in the modern world, practically everyone is aware of the rapid and stunning advances in TV technology over the last decade. During The last 10 years, common television sizes have evolved from 27-to-32 inches in the 90s to 37-inch and larger (much larger). At the same time, the once-universal Cathode Ray Tube (CRT) has been dying a fairly quick but silent death. The dim, murky pictures seen on analog big screen TVs a decade ago have been completely supplante
Dual-channel logarithmic detector IC to measure and control RF signals
Articles  
6/27/2006   Post a comment
Here's news of of an RFIC that works from 1-MHz out to 10-GHz, comprising a dual detector/controller. When it debuts in quantity later this year, the 6-stage demodulating chip will be able to be used to closely measure and control gain across a transmitter and receiver signal path, letting it serve in AGC circuits, power-level control circuits, and even to measure VSWR.
TI touts fastest 16-bit successive-approximation ADC
Articles  
6/27/2006   Post a comment
Texas Instruments ADS8422 sets claim to the industry's fastest 16-bit successive-approximation ADC - at 4 MSPS, it's 33 percent faster than the nearest competitive device, according to the company.
PIC controllers boost next-generation digital power
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6/26/2006   Post a comment
Product Review - Taking digital power supply technology to the next level, Microchip Technology's dsPIC digital signal controller (DSC) family is designed to maintain the generality and flexibility of a DSP solution (versus a dedicated controller) without the accompanying high overhead.
Optimize RF PA efficiency to increase your handset's talk-time
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6/26/2006   Post a comment
One of the best methods to increase talk-time is by optimizing RF PA efficiency.
Digital signal controller family powers next-generation switch-mode power supplies
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6/26/2006   Post a comment
Microchip Technology announces a family of 16-bit digital signal controllers for common, multi-loop switch-mode power supplies (SMPSs) and other power-conversion applications.
Video filter ICs turn on with the signal
Articles  
6/23/2006   Post a comment
Maxim says its MAX9508/MAX9512 are the world's first standard-definition video filter-amp ICs equipped with intelligent power management electronics.
Capacitor-free LDO has 1 percent accuracy
Articles  
6/22/2006   Post a comment
Holding stable with or without an output capacitor, Texas Instruments' TPS74xxx family of 1.5- and 3-amp low-dropout linear regulators (LDOs) feature 1 percent voltage regulation accuracy over line, load, and temperature.
Variable-gain amp touts highest gain and bandwidth
Articles  
6/21/2006   Post a comment
Analog Devices says its AD8336 DC-coupled variable-gain amplifer delivers the industry's highest gain and bandwidth - 100 MHz bandwidth over a gain range of 60 dB (-14 to +46 dB).
Buck converter with LDO meets GSM specs
Articles  
6/21/2006   Post a comment
Advanced Analogic Technologies' AAT2505 combines a fast-responding 600 mA step-down converter with a fast 300-mA low dropout (LDO) linear regulator for GSM handset applications.
Tiny dual LDOs aimed at portable and RF applications
Articles  
6/20/2006   Post a comment
Micrel offers a dual ultra-low dropout voltage linear regulator providing 70dB power supply ripple rejection targeting portable applications.
How many analog engineers are there?
Articles  
6/20/2006   Post a comment
I have been asked on several occasions for my views on the on-going question, "how many analog engineers are there?", usually as a preface to a discussion of the alleged shortage of engineers in general, and specifically analog engineers. the question can't really be answered. As with so many other real-world queries, the answer depends on your definitions, perspective, and motive....
Bill Schweber, Site Editor, Planet Analog
Boomer audio subsystems add RF suppression
Articles  
6/19/2006   Post a comment
National Semiconductor's two new Boomer audio subsystems, the LM4946 and LM4947, integrate radio-frequency (RF) suppression technology to improve noise performance in cell phone and other portable applications.
Digital power conversion, power management IC targets PoL
Articles  
6/19/2006   Post a comment
Primarion introduces a dual-phase power conversion and power management IC for non-isolated DC/DC converters in telecom, datacom, computing and storage markets.
GaAs LNAs to support cellphone infrastructure, WiMAX applications
Articles  
6/15/2006   Post a comment
Components supplier RF Micro Devices is in pre-production sampling of five GaAs pHEMT LNAs. They combine the bandwidth and performance necessary to support the design of highly linear WCDMA UMTS and OFDM WiMAX modulation systems.
RoHS-compliant GaAs amplifiers come packaged or as bare die
Articles  
6/15/2006   Post a comment
Microwave IC maker TriQuint Semiconductor is dishing up four GaAs amplifiers that should fill the bill for a variety of microwave applications. Available in packages or as bare die, these devices span the gamut from low-noise amplifiers to high power devices.
Video deserializer gives boost to mobile multimedia processor
Articles  
6/15/2006   Post a comment
Chip giant STMicroelectronics has developed an interface IC dubbed the STCCP27A that allows multimedia processors with a legacy parallel interface to take advantage of SMIA-compliant camera modules that provide an output through the CCP serial interface.
Op amps extend high-end video applications
Articles  
6/15/2006   Post a comment
Expanding its existing high-speed, low-power op-amp portfolio, ON Semiconductor's cost-effective NCS25xx family of 500 MHz-1.4 GHz devices are designed for high definition video applications (set-top boxes, security video cameras, video switching).
UWB RF silicon to deliver broadcast-quality video
Articles  
6/14/2006   Post a comment
Check out this 2-chip UWB chipset supported by reference design boards. The ICs will let you transmit near-flawless broadcast-quality video over wireless networks. It can meet the IEEE's link-reliability and MPEG packet error-rate requirements defined by Panasonic, Philips, Samsung, Sharp, and Sony.
Temperature/voltage sensors fly with the SST
Articles  
6/13/2006   Post a comment
Analog Devices' ADT748x family of digital temperature and voltage sensors are among the first for use in desktop computers and workstations that employ the fast Simple Serial Transport (SST) bus for high-performance applications.
RF intellectual property serves high-volume consumer gear
Articles  
6/13/2006   Post a comment
If you're designing your own chips, check out these RF intellectual property offerings. Two cores are for developers of video-enabled handheld appliances and personal navigation devices. As CMOS-based RF platforms, they'll help you craft a DVB-H mobile tuner and GPS satellite receiver.
LNA module comes in ultra-thin package
Articles  
6/13/2006   Post a comment
Here's news of an ultra-thin GPS LNA that can improve receiver sensitivity to assure reliable satellite location. This MMIC is for handsets for location-based services, and for those that must meet the FCC E911 mandate.
HSDPA/W-CDMA reference design uses efficient PA modules
Articles  
6/13/2006   Post a comment
Semiconductor vendor Avago Technologies is starting to sample some RF PA modules that are in a reference design. These devices are fabricated as InGaP HBT MMICs that draw just 32-mA.
Fear factor strikes home
Articles  
6/13/2006   Post a comment
We all know that software has bugs, even after diligent testing. I was truly scared--yet only a little surprised--when I read that today's commercial airliners, with their millions of lines of code supporting navigation, fly-by-wire, and hands-off automated everything, can suffer major software glitches. But it's not just software: counterfeit ICs and passives are also a serious problem....
Bill Schweber, Site Editor, Planet Analog
First bidirectional isolator bus chip cuts board requirements by 80 percent
Articles  
6/13/2006   Post a comment
Analog Devices says its ADuM125x family is the first to provide true bidirectional isolation for the I2C bus in industrial, networking and power supply applications.
8-GHz PLL synthesizer IC streamlines converter stages
Articles  
6/12/2006   Post a comment
Eliminating the need for frequency multiplier stages, thereby slashing cost in RF designs, IC maker Analog Devices rolls out the industry's first 8-GHz PLL synthesizer chip. It can be used to implement LOs in up-conversion and down-conversion stages.
Color controller integrates RGB photosensor for LCD backlighting
Articles  
6/9/2006   Post a comment
Avago Technologies said it has introduced the industry's first color controller with an integrated color photosensor for backlighting LCDs used in portable display devices. The ADJD-J823, packaged in a small 5 x 5 x 0.75-mm footprint, targets digital cameras, cell phones, PDAs, and portable DVD players.
Single channel loss-of-sync IC serves NTSC, PAL, and SECAM systems
Articles  
6/9/2006   Post a comment
Maxim says its MAX7461 is the industry's first single-channel loss-of-sync (LOS) alarm that provides composite-video sync detection in NTSC, PAL, and SECAM standard-definition television (SDTV) systems.
Books reveal secrets of analog, switched-cap circuits
Articles  
6/9/2006   Post a comment
Go beyond using only web-based sources, with these comprehensive, readable books
8-bit ADCs proclaim 6 GSPS performance standard
Articles  
6/8/2006   Post a comment
National Semiconductor's 8-bit analog-to-digital converter (ADC) family claims a new performance standard for sampling speed— up to 6 gigasamples per second (GSPS) data capture at 3.6 watts.
Signal conditioner chip adds a second sensor channel
Articles  
6/7/2006   Post a comment
ZMD's ZMD31012 incorporates two of the company's ZMD31010 sensor signal conditioners into one SSOP14 package to provide designers with twice the functionality in less than half the real estate.
With digital video the rage, what happened to analog video?
Articles  
6/6/2006   Post a comment
This week, Planet Analog features a guest commentary from Tushar Patel of National Semiconductor, who explains that not only is analog video quite alive and well—but it will be for quite a while, and why…..
Bill Schweber, Site Editor, Planet Analog
Wireless USB system-in-a-package includes development kit
Articles  
6/6/2006   Post a comment
Wireless USB is taking off, and vendors are now supplying OEMs with ICs and tools for implementation. Here's news of a fabless semiconductor company that's debuting a reference design kit for developers of Certified Wireless USB HWA and DWA designs. The kit supports the company’s latest WUSB all-in-one CMOS silicon.
Free development kit for rotary encoder ICs cuts time-to-market
Articles  
6/6/2006   Post a comment
austriamicrosystems' free development kit for its magnetic rotary encoder IC family allows designers to develop application software customized to their actual production test requirements in the shortest possible timeframe.
Analog front end speeds VDSL2 solution
Articles  
6/6/2006   Post a comment
PMC-Sierra's PM4380 stand alone analog front end (AFE) for very high data rate DSL (VDSL2) and asymmetric DSL (ADSL2+) customer premises equipment (CPE) enables OEMs to bring VDSL2 modem and residential gateway products quickly to market.
ESD-protected Darlington RF gain blocks eschew matching networks
Articles  
6/5/2006   Post a comment
Six Darlington-configured RF amplifier ICs are slated for use in satellite receivers and ISM band applications. These 3.3-V devices need no impedance matching networks; simple coupling caps are all you need.
8, 10-bit ADCs tout new power/bandwidth benchmark
Articles  
6/5/2006   Post a comment
Kenet's KAD2710 8- and 10-bit analog-to-digital converters (ADCs) tout a new benchmark - sampling rates of up to 275 million samples per second (MSPS) and a power savings of more than 45 percent over competing products.
Dialog Semi, E Ink link for display drivers
Articles  
6/5/2006   Post a comment
Mixed signal IC specialist Dialog Semiconductor plc and E Ink Corp. have joined forces to develop drivers for paper thin displays.
Foundry offers modeling tool for analog, RF customers
Articles  
6/2/2006   Post a comment
Specialty chip foundry Jazz Semiconductor has made available a Process Control Model Tool to customers through the company's eBizz Web interface.
9-ULDO chip customizes power management for cell phones
Articles  
6/2/2006   Post a comment
Semtech Corp.'s SC905 family of power management ICs features nine ultralow dropout (ULDO) regulators that (individually) source from 80 to 300 mA for cell phone applications.
Cap-free headphone amps improve fidelity, save space
Articles  
6/2/2006   Post a comment
National's headphone amps eliminate the output coupling capacitor to improve fidelity, save space.
MOSFETs stay cool for portable applications
Articles  
6/2/2006   Post a comment
ON Semiconductor says it microCool MOSFETs for portable applications, in thermally-enhanced 2-by-2 mm WDFN6 packages, deliver leading-edge performance for smaller, thinner, faster, and cooler running.
Dual SPST analog switches tout low voltage and low on-resistance
Articles  
6/2/2006   Post a comment
Vishay's DG2731, DG2732, and DG2733 dual single-pole/double-throw (SPDT) monolithic CMOS analog switches combine low-voltage operation with low on-resistance ratings in a small package size for signal-routing applications in portable and battery-powered end products.
Battery fuel gauge extends battery life with suspend mode operation
Articles  
6/1/2006   Post a comment
Dallas Semiconductor (Maxim) offers a battery fuel gauge with three power states including active, sleep and suspend mode.




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