Resistor manufacturer announces breakthrough in power resistor technology Product News 8/31/2005 Post a comment Billed as the first "true" power surface-mount resistor device in the industry, Stackpole Electronics, Inc. has introduced a new surface-mount power resistor capable of handling up to 12 watts at 85°C. Available in 5-, 10- and 12-watt ratings, the new HPC series offers a resistance value range from 0.1Ω to 100 KΩ. All devices are available in a 0.5 x 0.5 x 0.5-in. package size.
Common mode chokes solve EMI problems Product News 8/31/2005 Post a comment J.W. Miller Magnetics has introduced two new RoHS-compliant 7400 and 7500 series of common mode inductors for noise-suppression in a variety of applications. With proper design, these through-hole inductors can reduce or eliminate unwanted conductive electromagnetic interference (EMI), said the company.
Mixed-signal IC specialist enters frequency control market Product News 8/31/2005 Post a comment Touting high reliability, high performance, and short lead times, Silicon Laboratories Inc. has entered the frequency control market with the introduction of two families of high-frequency, low-jitter crystal oscillators (XOs) and voltage-controlled crystal oscillators (VCXOs) for applications up to 1.4 GHz. These new Si530 and Si550 product families are said to include the industry’s first quad-frequency XO and VCXO devices.
Smallest EMI filters save board space for wireless handsets Product News 8/31/2005 Post a comment California Micro Devices said its new 0.4-mm pitch chip-scale package (CSP) Centurion electromagnetic interference (EMI) filters set a new price/performance standard for the industry. The new family of Application Specific Integrated Passive (ASIP) EMI filter arrays tout higher filtering performance and a reduced form factor along with electrostatic discharge (ESD) protection for wireless handsets.
Inductors target current sensing Product News 8/29/2005 Post a comment Vitec Electronics Corp. said its new 59P987X series of inductors is an industry first for direct current resistance (DCR) sensing. The new inductors offer a guaranteed tolerance of ±10% for DCR, which is a feature required for accurate current sensing across the inductor to set precision droop, channel-current balancing and over-current protection.
Mini crystals target TPMS Product News 8/26/2005 Post a comment NDK (Nihon Dempa Kogyo Co., Ltd.) offers two crystal resonator options to provide frequency control for transmitters or receivers in tire pressure monitor systems (TPMS).
Protection devices stop surges in HDMI applications Product News 8/26/2005 Post a comment Semtech Corp. has expanded its RailClamp protection family with two new ultra-low capacitance devices designed to protect data interfaces operating at speeds higher than 2 GHz. The new RClamp 0502B and RClamp 0514M protect 2 lines and 4 lines, respectively, with a typical line-to-line capacitance of 0.7 pF, which make them suitable for HDMI applications such as plasma displays, high definition TVs, and set-top boxes.
LED modules keep out water and dust Product News 8/26/2005 Post a comment Para Light Corp. has introduced a family of enhanced-power LED modules that meet the IP64 industry standard for water and dust resistance. Available in a variety of colors and viewing angles, the new RWEP series modules suit a number of indoor and outdoor lighting applications.
High-voltage chip resistors target hi-rel apps Product News 8/25/2005 Post a comment Ohmite Manufacturing Company has introduced its new HVC series of chip resistors that offers high-voltage capability in a surface-mount package. Designed to meet the requirements of Military Specification MIL-STD-202, the HVC series uses the latest in thick-film technology to meet high-voltage applications of up to 3,000 volts.
SAW duplexer offers improved functionality, smaller size Product News 8/22/2005 Post a comment Designed for wireless communication products using CDMA800 technology such as cell phones and laptop computers, Murata Electronics North America's new ultra-small SAW duplexer series is said to offer several design improvements thanks to sophisticated construction methods and materials. These improvements include a significantly decreased footprint, higher isolation and attenuation, low insertion loss, better reliability and increased power handling.
SAW duplexers come in mini packages Product News 8/18/2005 Post a comment NDK (Nihon Dempa Kogyo Co., Ltd.) targets US-CDMA and UMTS phones with its new series of SAW duplexers in 3.8 x 3.8 x 1.5-mm packages. These devices are used to separate the data that is simultaneously sent and received by the phone into two different frequencies.
Synthesizers serve 1 to 5 GHz Product News 8/18/2005 Post a comment Breaking into the PLL/synthesizer market, Crystek Corp. has developed the CPLL66, which requires only an external frequency reference and supply voltage.
Precision wirewound resistor meets mil-spec Product News 8/17/2005 Post a comment Ohmite Manufacturing Co. has introduced its new P series of molded precision wirewound resistors. Designed to meet military specification MIL-R-93, the P series offers high stability and low temperature coefficient of resistance (TCR).
High-brightness white LEDs fit automotive interior lighting apps Product News 8/17/2005 Post a comment Agilent Technologies Inc. has launched a new family of high-brightness, white light-emitting diodes (LEDs) in PLCC-2 (plastic leaded chip carrier) and Power PLCC-4 surface-mount packages. These white LEDs are drop-in replacements for the Osram TopLED and Power TopLED products in automotive interior lighting applications.
Tiny choke coil targets mobile devices Product News 8/17/2005 Post a comment Designed for high-speed differential transmissions and noise suppression for compact mobile equipment such as cell phones and digital cameras, Murata Electronics North America said it has developed the industry's smallest common mode choke coil. Dubbed the DLP0NS series, this tiny mode choke coil is thinner and lighter than its predecessors, measuring 0.85 x 0.65 x 0.45 mm.
Cross-over jumpers beat the competition Product News 8/17/2005 Post a comment TT electronics IRC Advanced Film Division has developed a high current, low resistance cross-over jumper component for power supply manufacturers that beats the competition with a 35-A current rating. Typically used in circuits for power audio amplifiers as well as linear and switching power supplies, the company said the new LRZ series offers a current rating that is five times higher than the competition, along with an ultra-low resistance value of less than 0.003 ohms.
Power inductors deliver performance at elevated temps Product News 8/16/2005 Post a comment A new series of shielded SMT power inductors from TT electronics BI Technologies Magnetic Components Division is said to deliver stable electrical performance even at elevated temperatures. Suitable for high-temperature applications where PC-board space is at a premium, the new high current, low-profile inductors are rated for operation up to 180 degrees C.
Ferrite bead touts low DC resistance, high current capacity Product News 8/12/2005 Post a comment Murata Electronics North America claims its new BLM18SG series of ferrite beads in a 0603 package offers a DC resistance that is approximately 50% lower than conventional ferrite beads, enabling a low voltage drop that reduces power consumption. In addition to the low DC resistance, the new series provides high current capacity and excellent noise suppression, said the company.
Tiny ferrite beads suit wireless and mobile products Product News 8/12/2005 Post a comment Murata Electronics North America has introduced an enhanced 0201 surface-mount ferrite bead series that is designed to meet the Federal Communications Commission's (FCC) electromagnetic interference (EMI) regulations and minimize attenuation in high-speed signals. This makes the new BLM03BB series a good fit for Bluetooth and WLAN modules as well as power amplifier modules for cell phones, personal digital assistants (PDAs), laptops and other applications with limited board space.
Beefed up CMOS image sensor easily upgrades VGA camera phones to SXGA Product News 8/10/2005 Post a comment Micron Technology, Inc. is now sampling a 1/4-inch optical format, 1.3 megapixel complementary metal oxide semiconductor (CMOS) image sensor for SXGA cameras. While most 1/4-inch based camera-phone handsets today are used with VGA resolution, said the company, the new MT9M112 CMOS image sensor brings 1.3 megapixel SXGA resolution to camera phones in the same optical format and module form factor, while maintaining image quality at a much higher resolution.
Navigation sensors offer breakthrough performance for optical mice Product News 8/10/2005 Post a comment Agilent Technologies Inc. has launched three new LED-based optical mouse sensors, each offering industry-best features for performance, power consumption and package size, according to the company. One sensor offers the lowest power consumption, which enables the longest battery life in cordless mice, while two entry-level sensors provide improved performance and tracking in the industry's smallest package for cordless and corded optical mice.
TDK SMD power inductors offer high current handling Product News 8/10/2005 Post a comment TDK Electronics has introduced three SMD Power Inductors, suitable for DC/DC converter usage in mobile applications. The company's latest line of Power Inductors, spearheaded by the VLF 5014, provides a substantial size reduction whilst offering higher current handling.
Capacitors tackle DC blocking issues Product News 8/9/2005 Post a comment Designed to address DC blocking issues from 15 KHz to 40 GHz in optical transceivers, the new GZ capacitor series from AVX Corp. offers resonance-free performance of less than 0.5 dB through at least 26.5 GHz for most applications.
PLL clock generation IC aims to replace crystal oscillators Product News 8/4/2005 Post a comment Designed to replace expensive crystal oscillators for clock generation in a wide variety of consumer and networking applications, ON Semiconductor's new PLL clock generation IC delivers comparable performance, greater design flexibility, and lower cost than crystal oscillators.
Industry first 100 nH chip inductor in 0201 package debuts Product News 8/3/2005 Post a comment Taiyo Yuden (U.S.A.), Inc. has unveiled two significant performance improvements with the launch of its expanding series of high-frequency multi-layer chip inductors. The new HK series is said to offer the industry's first high-inductance 100 nH-rated chip inductor in a tiny 0201 case size, while the new high-Q HKQ series, also housed in a 0201 package, touts 30 percent higher Quality (Q) values than previous series devices, relative to case size.
Resistive devices withstand up to 200 degrees C Product News 8/2/2005 Post a comment New TaNFilm high-temperature product lines from TT electronics IRC Advanced Film help maintain critical electrical characteristics in high-temperature applications. These new products include the PFCD-HT series of surface-mount voltage dividers, the PFC-HT series of TaNFilm chip resistors and the 1900HT/4700HT series of DIP and SIP networks.
Vishay earnings take hit on charges News & Analysis 8/2/2005 Post a comment Adversely affected by a slew of charges, components and semiconductor supplier Vishay Intertechnology Inc. posted net earnings of $9.7 million, or 5 cents per share on sales of $582 million in the second quarter, down from $41.1 million, or 25 cents per share on sales of $646.6 million in the year-ago quarter.
Current sense resistors provide many options Product News 8/1/2005 Post a comment The new MP series of TO-style current sense resistors from Caddock Electronics Inc. offer circuit designers a wide range of power ratings, resistance values as low as 0.005 ohms, and several package choices. The new devices fit power electronic circuit applications where a higher voltage signal is needed due to a noisy environment, or where a minimum load is required by the circuit.
Transformer meets safety and telecom standards Product News 8/1/2005 Post a comment Datatronic Distribution Inc. has launched a new line matching transformer that meets rigorous safety and telecom industry standards while combining high performance coupling with a high dielectric strength in a low-profile package compliant to RoHS standards. The new low-profile, sealed LM302-1L device is compatible with all major standard modem circuitry that meets V.32, V.32 bis and V.34 industry requirements.
Blog Doing Math in FPGAs Tom Burke 15 comments For a recent project, I explored doing "real" (that is, non-integer) math on a Spartan 3 FPGA. FPGAs, by their nature, do integer math. That is, there's no floating-point ...