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Content tagged with Passive
posted in December 2003
Transformers designed for rugged mil specs
Product News  
12/31/2003   Post a comment
The rugged 4260-1646 and 4260-1647 Series of data bus interface transformers from Datatronics Romoland, Inc. support high-speed data transmission requirements in a wide range of mission critical industrial and military applications.
Opinion: High-capacitance MLCCs take on tantalums
Product News  
12/30/2003   Post a comment
Dave Ritchey, senior application engineer for Yageo America discusses why high-capacitance MLCCs are a viable alternative for designers who have traditionally used tantalum capacitors in new circuit designs.
Tactile sensors flex to all pressures
Product News  
12/30/2003   Post a comment
Combining a sensor with signal conditioning electronics, Pressure Profile Systems, Inc.'s new C500 tactile sensor can discern the slightest pressure on curved and angular surfaces.
Synch modules include Stratum 3E capabilities
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12/18/2003   Post a comment
Connor Winfield's new SM3E timing module provides a clock output that meets or exceeds Stratum 3E specifications stated in GR-1244-CORE, GR-253-CORE and ITU-T G.812. The 3.3-volt synch module is a complete system clock module for Stratum 3E timing card applications, shared port adapters, data digital cross connects, ADMs, DSLAMs, multi-service platforms, switches and routers in TDM, SDH and SONET environments.
Doing battle with ground transients
Product News  
12/16/2003   Post a comment
Lloyd DeShane of 9 Corp. discusses how poor grounding can lead to quality problems in elecronic equipment.
Ground transient terminator stops transients on ground lines
Product News  
12/16/2003   Post a comment
9 Corp. claims its ground transient terminator (GTT), developed by ECM Electronics, is the first suppression device to directly protect the ground line, eliminating transients that common mode surge technologies can't handle. The new device prevents surges and noise from entering equipment from sources such as proximity lightning strikes, load switching and EMI/RFI sources.
VCXO works from 120 to 600 MHz
Product News  
12/12/2003   Post a comment
Fox Electronics offers a new high-frequency voltage-controlled crystal oscillator (VCXO) that targets high-end applications such as SONET and ATM/SDH with frequency ranges between 120 to 600 MHz.
Oscillators shrink in size for mobile apps
Product News  
12/12/2003   Post a comment
Hurt by the extended downturn in the telecom market, oscillator manufacturers have continued to diversify their product portfolios in 2003 by targeting mobile applications including Bluetooth, cell phones and wireless LAN, where smaller package sizes are critical. Over the past year, oscillator manufacturers have seen a growing requirement for tighter stability from 25 ppm to 20 ppm, particularly for Wireless LAN applications, and a demand for smaller package sizes. They expect more of the same
Passive integration activates wireless
Product News  
12/10/2003   Post a comment
Ron Wood of Atmel Corp. and Sotiris Bantas of Helic SA reveals why it has become important to understand the impact the package has on silicon circuits and to integrate an EDA tool into a foundry design kit in order to optimize both on-chip and in-package passives.
VCSOs claim ultra-low jitter
Product News  
12/10/2003   Post a comment
The new M4003 (3.3-V) and M4004 (5.0-V) series of surface-mount VCSOs from M-tron Industries Inc. provide designers with an ultra-low phase jitter of .15 picoseconds (typical) from 12 kHz to 20 MHz. Available in frequency ranges from 500 MHz to 1.3 GHz, the VCSOs are designed for SDH/SONET, 10 and 40 Gigabit Ethernet as well as frequency translation in clock and data retiming applications.
Passives tags steady after long drop
Product News  
12/9/2003   Post a comment
The almost three-year-long free fall of passives prices is coming to a halt. With demand improving, analysts confirmed that spot prices for some ceramic capacitors are rising, and prices for other capacitors and chip resistors are no longer going down even if they are not going up. Lead times have in some cases lengthened to 12 weeks as distributors race to boost inventory by placing larger orders. Spencer Chin captures the trend.
Ferrite beads combine small size and EMI suppression in GHz range
Product News  
12/8/2003   Post a comment
Murata Electronics claims to offer the industry's smallest ferrite bead that can provide noise suppression in the GHz range by packaging the new BLM15H series in a 0402 case size.
Murata unveils tiny ceramic PTC thermistor
Product News  
12/8/2003   Post a comment
Gina Roos takes a closer look at Murata's new ceramic-based PTC thermistor.
Current sensor touts full integration
Product News  
12/8/2003   Post a comment
Allegro MicroSystems, Inc. offers a fully integrated +/-50 A isolated current sensor that simplifies design for industrial, commercial and automotive applications. The new device integrates a power leadframe, a ferrite concentrator and a single-in-line (SIP) packaged linear Hall-effect sensor.
High-current inductors offer low DCR for power apps
Product News  
12/3/2003   Post a comment
The new PG0138 low profile, high-current inductors from Pulse, a Technitrol Company, feature a small footprint, low direct current resistance (DCR), and a wide inductance range for power applications.
Vendors taking capacitors down to 01005
News & Analysis  
12/3/2003   Post a comment
As if capacitors couldn't get any smaller, passives suppliers are developing devices in 01005 case size, barely visible to the naked eye, to allow development of smaller, lighter mobile communications products. Gina Roos has this report.
Vendors taking capacitors down to 01005
Product News  
12/3/2003   Post a comment
As if capacitors couldn't get any smaller, passives suppliers are developing devices in 01005 case size, barely visible to the naked eye, to allow development of smaller, lighter mobile communications products. Gina Roos reports.
OEMs, think twice before nickel-and-diming vendors
Product News  
12/2/2003   Post a comment
Battered by the prolonged downturn, commodity component suppliers and their distributors still face their biggest battle: severe price degradation. Though unit volume shipments have climbed over the past couple of quarters, any chance of revenue growth has been offset for several consecutive quarters by sinking average selling prices (ASPs).
More consolidation hurts smaller OEMs
Product News  
12/2/2003   Post a comment
Another year of negative growth will mean more consolidation in the North American distribution industry. Indeed, the latest sale illustrates that even the smallest of distributors aren't immune to the industry downturn, considering what happened this year to the electronic components businesses of both Pioneer Standard and Reptron.
Synch timing available in a single chip
Product News  
12/2/2003   Post a comment
Connor Winfield has taken its latest generation of synch modules, the SM3, one step further by offering the STC3500 as a standalone chip. The STC3500 is an integrated single chip solution for the synchronous timing source in SONET/SDH network applications. It uses the same engine as in the SM3 module and is fully compliant with Telcordia GR-1244-CORE, GR-253, ITU-T G.812 Type IV and ITU-T-G813 Option 1 when used with an applicable oscillator.
Vendors taking capacitors down to 01005
News & Analysis  
12/1/2003   Post a comment
As if capacitors couldn't get any smaller, passives suppliers are developing devices in 01005 case size, barely visible to the naked eye, to allow development of smaller, lighter mobile communications products.


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