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Content tagged with Passive
posted in September 2007
Filters provide EMI/RFI and ESD protection
Product News  
9/28/2007   Post a comment
Alpha & Omega Semiconductor, Inc. (AOS) has introduced multi-line EMI filters to protect next-generation cellular handset devices from EMI/RFI and ESD.
Thin-fim low-pass filters target space sensitive applications
News & Analysis  
9/28/2007   Post a comment
State of the Art's latest low pass filters come in a sub-miniature case size and are available on 99 percent alumina substrate constructed using high stability thin film planar technology.
Radio Basics for RFID: Modulation and Multiplexing
Design How-To  
9/26/2007   1 comment
While this book excerpt from The RF in RFID:Passive UHF RFID in Practice, focuses on RFID applications, it is an excellent primer for RF basics. This part covers modulation and multiplexing.
Samples of tiny crystal oscillator ship in 48 hours
Product News  
9/25/2007   Post a comment
Vectron International has introduced its smallest crystal oscillator in a 3.2 x 2.5-mm hermetically sealed ceramic package.
Programmable oscillator offers low jitter, small package
Product News  
9/24/2007   Post a comment
SiTime Corp. has begun sampling a family of low-jitter programmable oscillators aimed at high-speed serial communication, video and storage applications.
Avnet to buy passives distributor Betronik
Product News  
9/24/2007   Post a comment
Electronics distributor Avnet, Inc. plans to acquire German specialty distributor Betronik GmbH. Betronik focuses on passive components. For the takeover, Avnet needs the approval from the German antitrust authority.
Resistor network delivers ultra-high precision
Product News  
9/21/2007   Post a comment
Vishay Intertechnology has released the SMNZ ultra-high-precision Z-Foil four-resistor network with a low absolute TCR, excellent PCR tracking and tight tolerance match.
NEC to sample 4.1-inch LCD module
Product News  
9/21/2007   Post a comment
NEC LCD Technologies will begin shipping samples of a 4.1-inch TFT-LCD module in October 2007 that features high integration, high luminance and a wide color gamut.
Get grounded: protecting electrical devices from lightning transients (Part 2 of 2)
Design How-To  
9/20/2007   Post a comment
Designing an effective defense against lighting's enormous transient currents and their flows requires understanding of basic issues of wire, bonding, gauge, lugs, and more
2.5-volt TVS array protects high-speed interfaces
Product News  
9/19/2007   Post a comment
Semtech Corp. says the RClamp2504N is the industry's first 2.5-V protection device designed for lightning surge protection on Ethernet and high-speed digital interfaces in telecommunications and networking equipment.
2.2-inch TFT delivers high brightness, sunlight readability
Product News  
9/18/2007   Post a comment
Phoenix Display International has introduced a line of 2.2-inch TFTs with QCIF+ resolution for high ambient light or outdoor, high brightness applications.
Get grounded: protecting electrical devices from lightning transients (Part 1 of 2)
Design How-To  
9/18/2007   Post a comment
Designing an effective defense against lighting's enormous transient currents and their flows requires understanding of basic issues of wire, bonding, gauge, lugs, and more
Radio Basics for RFID, Part 1
Design How-To  
9/18/2007   1 comment
While this book excerpt from The RF in RFID:Passive UHF RFID in Practice, focuses on RFID applications, it is an excellent primer for RF basics. This Part covers electromagnetic waves, signal voltage, and power.
VCO operates from 200 to 400 MHz
Product News  
9/17/2007   Post a comment
Crystek introduces a 200 to 400 MHz VCO for digital radio equipment, fixed wireless access, satellite communications systems, and base stations.
Supercapacitors deliver high-temperature operation, higher voltage rating
Product News  
9/14/2007   Post a comment
CAP-XX Limited has expanded its product line with the high-temperature HS and HW series supercapacitors that deliver an extended temperature range up to 85 degrees C and an operating voltage up to 5.5 V.
Ultra-small sensor detects minute airflow with high sensitivity
Product News  
9/13/2007   Post a comment
Omron Electronics has introduced a cyclone-type MEMS flow sensor that features the company's Dust Segregation System (DSS), which enables it to detect minute flow rates with high sensitivity even in dusty environments.
VCO modules cover 4 to 12.5 GHz range
Product News  
9/13/2007   Post a comment
Phase Matrix has introduced three wideband voltage controlled oscillator (VCO) modules that cover the 4 to 12.5 GHz range.
Wide-band VCO targets high linearity applications over 100 to 200 MHz
News & Analysis  
9/13/2007   Post a comment
Crystek's CVCO55CW-0100-0200 VCO (datasheet) operates from 100 MHz to 200 MHz with a control voltage range of 0 to 5V and targets applications such as digital radio equipment, fixed wireless access, satellite communications systems, and base stations.
OCXOs deliver low-power consumption
Product News  
9/12/2007   Post a comment
Valpey Fisher rolls out the VFOV400 series of OCXOs with ultra-low-power consumption, fast warm up time, tight stability, and exceptional phase noise in a compact package.
Freescale unveils highly integrated TPMS device
Product News  
9/12/2007   Post a comment
Freescale's TPMS integrates a pressure sensor, 8-bit MCU, RF transmitter and 2-axis accelerometer in a single package while providing lower power consumption. It's also claimed to be the first to contain a capacitive pressure sensor and 2-axis accelerometer.
NXP expands mobile speaker production
News & Analysis  
9/12/2007   Post a comment
NXP Semiconductors is investing Euros 42 million ($58 million) in its Sound Solutions innovation and manufacturing activities in Vienna, Austria.
Ultra-low-jitter VCXO targets PLL circuits
Product News  
9/10/2007   Post a comment
Valpey Fisher has released the VFVX321 ultra-low jitter VCXO for PLL circuits in SONET/SDH, Ethernet, and Fibre Channel applications.
Choosing the right input caps for your buck converter
Design How-To  
9/7/2007   3 comments
Minimize the effect of the input capacitor's ESL and ESR by first selecting ceramic caps, and then design for minimum input ripple. Then figure out the amount of bulk input capacitance required to stabilize the input voltage during large load transients.
Current sense resistors deliver low resistance, high power
Product News  
9/7/2007   Post a comment
IRC Advanced Film Division has introduced a 3-watt surface-mount chip resistor in a 1225 package size for high-power applications.
Wirewound resistors target up to 1300-watt applications
Product News  
9/7/2007   Post a comment
Stackpole has introduced the ETW series of large tubular non-flammable high-power wirewound resistors for power applications ranging from 10 watts to 1300 watts.
VCO operates over 1600 to 3200-MHz frequency range
Product News  
9/7/2007   Post a comment
The CVCO55CW-1600-3200 voltage-controlled oscillator from Crystek operates from 1600 MHz to 3200 MHz with a control voltage range of 0.5 V to 20 V.
Timing modules deliver ultra-low jitter
Product News  
9/6/2007   Post a comment
Valpey Fisher Corp. has introduced the VFJA400 and VFJA401 integrated clock/PLL timing modules for synchronization in SONET and SDH networks.
Industrial displays offer enhanced performance, more size options
Product News  
9/6/2007   Post a comment
Sharp has expanded its industrial LCD display suite with four new products -- a 5.7-inch, a 3.7-inch and two 3.5-inch models. Each offers a unique set of advanced optics and enhanced features for industrial applications.
Capacitive touch chip manages power efficiently
Product News  
9/5/2007   Post a comment
Quantum Research Group's one-channel capacitive touch sensor is designed with an internal power management control to guarantee a typical current consumption of 37-µA at 3V.
Surface-mount speaker housed in miniature package
Product News  
9/3/2007   Post a comment
Aimed at handhelds and other portable devices, Transducers USA has developed a miniature surface-mount speaker, model KAAG-15008C, which produces a sound output of 87-dB from a 15 x 15 x 5 mm package.
Omron restructures top management at components unit
News & Analysis  
9/3/2007   Post a comment
In a major reorganization of the senior management structure at Omron Electronic Components Business , Mark Jones has been promoted from vice president of sales and marketing to chief operating officer for European operations.


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