Microlens arrays offer custom configs, precision coupling Product News 1/31/2005 Post a comment Omron Electronics has developed a new series of mass-produced, injection-molded microlens arrays (MLAs), which is said to set a new industry standard for cost-effective parallel lenses for both multi-mode fiber (MMF) and single-mode fiber (SMF) configurations.
Linear sensors feature performance improvements Product News 1/31/2005 Post a comment Allegro MicroSystems, Inc. has made two key improvements to its popular line of continuous-time linear sensors with the introduction of its new A1301 and A1302 devices. These enhancements include a quiescent output voltage that is 50% of the supply voltage, and output sensitivity options of 1.3 mV per gauss (G) and 2.5 mV/G. This makes the new devices suitable for use in linear and rotary position sensing systems over the extended temperature range of -40°C and 125°C. Target applications i
Epcos erweitert Ferrit-Spektrum News & Analysis 1/27/2005 Post a comment Der Bauelementehersteller Epcos ergänzt seine bestehende Serie der Kernformen (U93, I93, U101 und U141) durch die neuen Modelle U126 und I126. Mit U126 wurde die Lücke zwischen U101 und U141 geschlossen.
Kemet CEO Graves resigns News & Analysis 1/26/2005 Post a comment Kemet Corp. announced Wednesday (Jan. 26) that Jeffrey Graves has resigned as the company's chief executive, ending an almost two-year reign marked by strategic changes but mostly languid financial results.
Tiny chip resistor touts wide resistance range Product News 1/26/2005 Post a comment Vishay Intertechnology, Inc. has expanded its family of thin-film flat chip resistors with the introduction of the high-stability MCS0402 ultra-small, thin-film precision resistors in 0402 package sizes. Available with resistance values from 100 ohms(Ω) to 221 kΩ, the new Vishay Beyschlag devices offer the industry's widest resistance range for CECC-certified precision resistors at this size.
Kemet posts loss as inventory woes linger News & Analysis 1/24/2005 Post a comment Capacitor supplier Kemet Corp. posted a net loss of $38.9 million, or 45 cents per share on sales of $95.5 million in its third 2005 fiscal quarter ended December, compared to $13.1 million, or 15 cents per share on sales of $111.3 million in the year-ago quarter.
Inductors feature saturation currents up to 40 amps Product News 1/20/2005 Post a comment Vishay Intertechnology Inc. has once again expanded its IHLP family of high-current, surface-mount inductors. This time with a new series of low-profile, surface-mount inductors that feature saturation currents up to 40 amps (A) and typical direct current resistance (DCR) values as low as 3.0 mΩ in a compact 2525 package with a 1.8-mm height.
Ganged potentiometers offer small size, flexibility Product News 1/20/2005 Post a comment Vishay Intertechnology, Inc. has introduced two new series of 9-mm multi-ganged potentiometers with an ultra-compact module, measuring 0.375 in. x 0.75 in. (9.52 x 11.35 mm). These new devices also offer designers greater flexibility with the availability of variable standard and custom models.
Mesh Networks: Wireless, but Reliable Design How-To 1/20/2005 Post a comment A new kind of network--the mesh network--is promising both ease of installation and reliability. A wireless mesh network builds itself; you put the nodes in place, and they form a network and start sending data. If some nodes fail for any reason, the network can even "heal" itself and keep working. In this feature article, Gary Legg explores the features and benefits of wireless mesh networks.
XMA offers low-cost SMA attenuator Product News 1/19/2005 Post a comment A new SMA attenuator from XMA Corp. combines the durability of a stainless steel body and coupling nut, good electrical performance and low-cost for military and telecommunications applications that require long-term performance and cost-effective pricing.
OCXO features high stability and low noise Product News 1/19/2005 Post a comment Fox Electronics has introduced a new line of oven-controlled crystal oscillators (OCXOs) that feature exceptional stability and excellent phase noise characteristics. Offered in frequencies from 5.000 to 50.000 MHz, these precision OCXOs are suitable for wireless products, RF broadcast, frequency references, and test equipment.
Airflow sensor touts digital TTL output Product News 1/18/2005 Post a comment Degree Controls Inc. says its new AccuSense F900 airflow sensor is unique due to its digital TTL output of air velocity for direct control of airflow. The new F900 sensor measures the velocity and temperature of airflow in applications such as biological safety cabinets, fume hoods, electronic enclosures, clean rooms and other critical containment areas.
Industry's thinnest module uses IPD technology Product News 1/18/2005 Post a comment SyChip has developed the industry's thinnest and the company's first 802.11g plug-and-play module based on its proprietary integrated passive device (IPD) technology. Developed as a means for miniaturizing mobile handheld devices including smart phones, PDAs, gaming devices and media players, the new module integrates dozens of high Q passive components including baluns, bandpass filters, capacitors, inductors and resistors onto a silicon substrate.
LED module packs performance in small package Product News 1/18/2005 Post a comment OSRAM Opto Semiconductors has released its new generation of white light-emitting diodes (LEDs) for small mobile terminals. The company says the new surface-mount Micro SIDELED module, measuring 0.8 mm high, is the smallest available to offer key display features including critical side-beam characteristics, high brightness and extremely small size. In addition, the module incorporates electrostatic discharge (ESD) protection via an on-board diode.
PTC thermistors combine two devices in surface-mount package Product News 1/18/2005 Post a comment Vishay Intertechnology Inc. has launched a new family of protection devices that combine two positive temperature coefficient (PTC) thermistors in a single surface-mount package, providing current ratings from 2.5A to 4.0A. In addition to reducing component count, the new devices reduce the board space required to implement overload protection in telecommunications applications by up to 65%.
The Tea Leaves Tell It All News & Analysis 1/17/2005 Post a comment Predicting what 2005 will bring to the electronics industry is much like Harry Potter and his classmates looking into the bottom of the cup and trying to read the tea leavesdepending on how you look at it, you get a different answer. Agilent Technologies' Grant Drenkow takes a shot at predicting the industry's future for the coming year.
Precise current sensing comes in a small package Product News 1/14/2005 Post a comment The newest current sensor family from Allegro MicroSystems Inc., the ACS704, is the first SOIC8-packaged Hall-effect current sensor with the current path integrated into the package for greater sensitivity and accuracy, said the company.
Tiny MLCC boosts reliability Product News 1/14/2005 Post a comment Taiyo Yuden (U.S.A.) Inc. has added a new, ultra-small 0402 case size (1.0 x 0.5 x 0.5 mm) to its popular CFCAP line of super low distortion surface-mount multi-layer ceramic capacitors (MLCC). Designed for high-frequency applications, the company says the CFCAP MLCCs provide a smaller, lower cost, and more reliable alternative to surface-mount plastic film capacitors in an 0603 package.
Umsatzeinbruch bei Epcos News & Analysis 1/14/2005 Post a comment Epcos bremst vorsorglich die Erwartungen der Anleger: Das erste Quartal des Geschäftsjahres 2005 ist viel schlechter ausgefallen als erhofft.
Resistor lines target high-volume applications Product News 1/14/2005 Post a comment Vishay Intertechnology, Inc. offers three new series of axial-leaded wirewound/metal oxide resistors that come competitively priced for high-volume applications. The new devices deliver power ratings from 1 to 20 watts (W), and resistance values from 0.1 ohms to 50 kohms. They are intended for applications that require capacitive discharge, short term pulsing, high power dissipation, voltage division, and dc-to-dc conversion in a variety of products including white goods, home entertainment syst
Pulse launches industry-first integrated dual inductor Product News 1/13/2005 Post a comment Designed to replace two discrete inductors, Pulse, a Technitrol Company, says it has developed the industry's first integrated ferrite-bead inductor. The PA0766NLT Power Bead device consists of two independent inductors integrated into a single core structure without magnetic coupling between the two inductors.
Current sense transformers meet RoHS directive Product News 1/10/2005 Post a comment The CT series of current sense transformers from Datatronics Distribution, Inc. now meets the requirements of the European Union's Restriction of Hazardous Substances (RoHS) Directive that governs the manufacture of electronic components (including bobbin materials) and electronic equipment. This directive requires the use of lead-free solder as well as the elimination of cadmium and mercury.
OPTEK to develop POF components for industrial control Product News 1/10/2005 Post a comment OPTEK Technology, a subsidiary of TT electronics, is developing a series of plastic optical fiber (POF) products as a replacement for traditional copper wiring that are designed to support the SErial Real-time COmmunications System (SERCOS) interface protocol for industrial control applications. SERCOS is an open, standardized digital interface for fiber optic communication between digital controls, motor drives, I/Os, sensors and actuators in computer numerical control (CNC) systems.
Vishay launches new package option for rectifiers and TVS devices Product News 1/10/2005 Post a comment Vishay Intertechnology, Inc. has launched a new SMP package type for its rectifier and transient voltage suppressor (TVS) products that delivers the same current and power ratings as the SMA package in a 44% smaller footprint. Rectifiers in the SMP package handle up to 2 amps (A) while delivering industry-record levels of thermal resistance, according to the company.
Vishay adds low-voltage clock oscillators Product News 1/4/2005 Post a comment Vishay Intertechnology, Inc. has added two miniature, low-voltage, surface-mount oscillators rated for 1.8-V and 2.5-V input voltages to the company's XOSM family of clock oscillators. Housed in a 7 x 5 x 1.6-mm package, the new devices provide low-voltage options that improve performance of clock oscillator circuits in portable computing and telecommunications equipment such as notebook computers, cell phones, pagers, and PDAs.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...