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Content tagged with Passive
posted in March 2009
SiTime enters VCXO market with MEMS-based device
Product News  
3/31/2009   Post a comment
SiTime's voltage controlled MEMS oscillator features 0.5% pull range linearity, small size and flexibility through programmability.
Ohmite : Current sense resistors have 1 percent tolerance
Product News  
3/30/2009   Post a comment
Using metal resistive elements made from Nickel-Chromium or Cupron (Manganin-Copper) the MCS Series of SMD flip chip resistors from Ohmite have a very low TCR of <50 ppm/°C over the range of current sense values which are popular in portable, battery operated equipment and power supplies.
FBAR-based Band 8 WCDMA duplexer claims superior insertion loss and isolation
News & Analysis  
3/30/2009   Post a comment
Avago Technologies has announced a high-performance Band 8 WCDMA duplexer that leverages the industry's leading Q values of its FBAR (Film Bulk Acoustic Resonator) technology, designated ACMD-7605.
VCO covers 1370 to 1400 MHz with high linearity
News & Analysis  
3/30/2009   Post a comment
Crystek's CVCO55CC-1370-1400 VCO (Voltage Controlled Oscillator) operates from 1370 MHz to 1400 MHz with a control voltage range of 0.5V to 4.5V.
Watch out Heidi Klum, here comes the HRP-4C!
Industrial Control DesignLine Blog  
3/27/2009   Post a comment
A very interesting development in the world of robotics as the HRP-4C fashion model is introduced to the world at Tokyo's Fashion Week. This modern marvel of sensors, motors, and controllers, responds to voice commands, walks, talks, and even has motors controlling facial expressions. But is the research and development effort worthwhile?
Customizable line of satellite and space qualified crystal oscillators
News & Analysis  
3/25/2009   Post a comment
Bliley Technologies show cased this week at the "Satellite 2009" conference in Washington D.C., its customizable line of satellite and space qualified crystal oscillators spanning OCXOs, TCXOs, VCXOs and crystal oscillators (XOs).
Analyst: Growth in optos, sensors, discretes set to outpace ICs
News & Analysis  
3/25/2009   Post a comment
Sales of optoelectronics, MEMS-based accelerometers, CMOS image sensors, power transistors, and overall discrete devices set record high revenue levels last year, despite the disastrous final months of 2008, according to market research group IC Insights (Scottsdale, AZ.).
OCXO delivers high stability in a miniature package
Product News  
3/23/2009   Post a comment
Greenray Industries has announced the availability of the YH1420 series OCXO (ovenized crystal oscillator) which delivers excellent short-term stability from 10 MHz to 100 MHz.
Mobile operators seal, extend network sharing deals
News & Analysis  
3/23/2009   Post a comment
In a wide-ranging cost cutting deal that will have major implications for their equipment suppliers, and further down the chain for many component suppliers, Vodafone and Telefonica have confirmed they will pool their mobile networks in the U.K and said that the deal covers several other European countries.
Paratek acquires Gennum's BST technology assets
News & Analysis  
3/20/2009   Post a comment
Paratek Microwave Inc (Nashua, N.H) has bought, for an undisclosed sum, the barium strontium titanate (BST) technology group of chip and IP company Gennum Corp. (Burlington, Canada).
Faraday : Specialized filters serve all types of industries
Product News  
3/20/2009   Post a comment
Faraday Technology designs and manufactures a wide range of filters, including anti-aliasing, post A-D reconstruction, pulse shaping, signal conditioning and high frequency filters all with various topologies.
Epson : Crystal oscillator is miniature size
Product News  
3/18/2009   Post a comment
Epson Toyocom claims the world’s smallest 32.768-kHz crystal oscillator. The maximum dimensions of the SG-3050BC are 2.2 x 1.4 x 1.0 mm.
Analyst: Commodity component prices at rock bottom
News & Analysis  
3/17/2009   Post a comment
The price of commodity chips between February 2009 to January 2010 is expected to fall at a relatively moderate pace of 1.1 percent per month, according to market research group iSuppli (El Segundo, Calif.).
Components of an ROV system - Part 3: Control station and motor control electronics
Design How-To  
3/16/2009   Post a comment
This excerpt from "The ROV Manual" looks at the control systems of a remotely operated vehicle, and includes a study of motor control electronics covering inductors, the H-bridge and PWM control.
9-megapixel HD video image sensor from OmniVision targets camera sweet spot
Product News  
3/16/2009   Post a comment
OmniVision's new image sensor does 9-MP still images and 1080p video equally well, targeting DSCs, camcorders and digicams simultaneously, and features higher sensitivity despite the small 1-cm square package.
The AspireRfid Project
Design How-To  
3/16/2009   Post a comment
RFID middleware is gradually becoming a cornerstone for non-trivial RFID deployments. John K. Soldatos and Didier Donsez provide insight into why this is true in complex heterogeneous environments comprising multiple readers, applications instances, legacy ICT systems, as well as sophisticated business processes and semantics.
Murata : Chip inductors come in low profile 1515-size packaging
Product News  
3/13/2009   Post a comment
Murata offers its low dc resistance, high rated current wire-wound chip inductors in low profile 1515-size packaging (4.0 x 4.0 x 1.65mm), designed to save space and increase efficiency in dc-dc converter designs.
Searching for six degrees of separation for energy harvesting and power conversion
Design How-To  
3/12/2009   Post a comment
Given that most innovations in power management electronics are derived from the pooling of the knowledge or expertise of groups of scientists or engineers then it is likely that the 'six degrees of separation' rule applies to a lot of technology developments.
Spread spectrum clock synchronizes up to eight switching regulators
Product News  
3/12/2009   Post a comment
Linear Technology is offering a precision silicon oscillator that significantly reduces peak radiated EMI and improves control of switching regulators in multiphase power supplies.
Renesas, Omron touch base on touch sensor apps
Product News  
3/12/2009   Post a comment
Japanese groups Renesas Technology and Omron Corp. are joining forces to develop capacitive touch sensor technology.
Analyst: Top chip suppliers are underperforming
News & Analysis  
3/11/2009   Post a comment
Almost all of the semiconductor industry's top 25 companies not only saw sales declines last year—they also underperformed the overall chip industry for the year, according to researchers at iSuppli (El Segndo, Calif.)
Chip protects antenna in mobile handsets
Product News  
3/11/2009   Post a comment
California Micro Devices' single-channel device provides robust ESD protection for FM Radio, GPS, Bluetooth and WLAN applications.
Components of an ROV system - Part 2: Primary subsystems and electrical considerations
Design How-To  
3/10/2009   Post a comment
Part 2 of this excerpt from "The ROV Manual" looks at the primary subsystems of an ROV - including lighting, cameras, sensors and manipulators - and considers specific issues regarding the tether, power, data, and the connectors.
Syfer : RF filters are based on LTCC technology
Product News  
3/10/2009   Post a comment
Available from Syfer Technology is a range of SMD low-pass, band-pass, high-pass and band-stop filters for frequencies up to 6 GHz.
Tire pressure monitors to reduce CO2 emissons
News & Analysis  
3/10/2009   2 comments
The European Parliament Tuesday (March 10) passed a proposal that will make tire pressure sensors for new cars mandatory. The industry is prepared to offer the technology required — but new developments enhance the scope of options.
Low phase noise VCO covers 390 to 430 MHz
News & Analysis  
3/10/2009   Post a comment
Z-Communications has announced an RoHS compliant VCO (Voltage-Controlled Oscillator), designated CRO0410A-LF, for the UHF band.
Chip antenna targets built-in FM broadcast applications in mobile devices
News & Analysis  
3/10/2009   Post a comment
Yageo Corporation has made available the miniature 2405 FM chip antenna for mobile applications, which is set to replace external connection mechanism of traditional FM antenna with built-in capability in mobile devices.
Bookham : Laser module outputs 6 W from a 200 um fibre
News & Analysis  
3/9/2009   Post a comment
Bookham has expanded its portfolio of 808 nm single emitter products with a module that delivers a minimum of 6 W from a 200 um core fibre.
Standard CMOS noise filters offer automotive EMI protection
Design How-To  
3/5/2009   Post a comment
Long automotive wiring harnesses increase circuit susceptibility to external interference. But simple noise filters in a novel protection structure can boost EMI robustness.
Johanson : Balun filter is optimized for 868 MHz SRD band
Product News  
3/5/2009   Post a comment
Johanson Technology has designed the 0896BM15A0001 matched balun filter for Texas Instruments’ CC11XX for applications in the European 868 MHz SRD (Short Range Device) band, ETSI EN 300 220, and the 915 MHz US ISM band.
Murata : Low-profile capacitors reduce acoustic noise
Product News  
3/5/2009   Post a comment
Murata’s GJ8 series of multi-layer ceramic chip capacitors (MLCCs) has been specifically developed to reduce acoustic noise in consumer and industrial electronics applications.
IRC develops open-air design, flexible leads isolate hotspots from PC board, preventing thermal damage
Product News  
3/4/2009   Post a comment
IRC has developed open air current sense resistors with the the OARS-3 Series of metal alloy strip resistors. These resistors provide extended power ratings and increased thermal performance.
SIGNAL CHAIN BASICS (Part 27): Control EMI resulting from board-level clock distribution
Design How-To  
3/3/2009   1 comment
Use shielding, decoupling, careful layout, and changes to the clock-source characteristics to beat EMI induced by clock distribution on your PC board
Sperry vertical gyro for Boeing 747
Teardown  
3/3/2009   4 comments
Surplus hardware reveals beauty in electromechanics.


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41 comments
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153 comments
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