3-axis accelerometer sets low power benchmark for mobile devices Product News 10/31/2005 Post a comment Analog Devices, Inc. said its new ADXL330, 3-axis accelerometer, is the industry's lowest power device of its kind, typically consuming only 200 microamps at full power at a supply voltage of 2.0 V. Combined with a small surface-mount 4 x 4 x 1.45-mm package, the new device aims to be the sensor of choice for a variety of portable consumer devices, particularly mobile phones, by offering designers the ability to deliver new motion and tilt sensing features.
Transformer delivers 100 watts in small package Product News 10/28/2005 Post a comment Expanding its off-the-shelf transformer portfolio for forward converters, Tabtronics Inc. has launched the HXTF02005 transformer that incorporates the company's Hyper-X Magnetic Technology to dissipate less than 1% of output power while delivering 20 volts at 5 amps from a 400 Vdc input in a compact PQ26/25 package.
Wirewound inductors target high-density designs Product News 10/28/2005 Post a comment Cal-Chip Electronics, Inc. has released a NL series of molded chip wirewound inductors that are suitable for high-density boards in a variety of appliance, instrumentation, and onboard automotive equipment. They may also find homes in audio/video equipment, handheld consumer products such as mobile phones and PDAs as well as hybrid ICs and other modular components.
High-efficiency transformer delivers 720 watts in a compact package Product News 10/21/2005 Post a comment Tabtronics Inc. has introduced a highly efficient transformer for 150 kHz bridge converter applications. The new HXTH01260 transformer, using the company's Hyper-X Magnetic Technology to dissipate less than 1% of output power, delivers 12 volts at 60 amps from a 400 volt DC input in compact PQ32/30 package.
Capacitors supplied in tin/lead terminations for RoHS-exempt apps Product News 10/20/2005 Post a comment Designed for applications that are exempt from the European Union's Restriction of Hazardous Substances (RoHS) directive, Syfer Technology now offers a series of surface-mount chip capacitors with traditional tin/lead terminations. They may be used for military/aerospace, space and automotive applications.
Tantalum capacitors available for RoHS exempt apps Product News 10/19/2005 Post a comment Responding to the requirements of customers who are exempt from the European Union's Restriction of Hazardous Substances (RoHS) directive, AVX Corp. has recently developed a tin-lead finish version of its conformally-coated tantalum radial leaded capacitor, which was initially introduced as the first lead-free component of its kind in January 2005.
Resistor delivers low resistance in small package Product News 10/19/2005 Post a comment Vishay Intertechnology, Inc. has released a new 1/10-W surface-mount Power Metal Strip resistor that is said to be the industry's smallest such device to combine a low 15 milliohm to 100 milliohm resistance value range, a tight tolerance of 1%, and low resistance temperature characteristics (RTC) values down to ±75 ppm/°C. All these features enable the design of smaller and lighter end products.
Metal oxide varistors provides protection from high-energy transients Product News 10/19/2005 Post a comment Stackpole Electronics, Inc. has introduced a single-layer metal oxide varistor (MOV) for protection against high current, high energy transients in distribution panels, surge arrestors, industrial motors, power supplies and controls. The new ZOV series is capable of handling up to 80 kA of current (8/20 microsecond) and more than 4100 watts in a single device.
Epcos looks to sell tanatalum unit to Kemet News & Analysis 10/19/2005 Post a comment EPCOS, one of the world’s largest manufacturers of passive electronic components, is looking to sell its tantalum capacitors operations and has stared negotiations with U.S. capacitor maker Kemet for a suitable deal.
Low-jitter oscillators feature fast delivery Product News 10/14/2005 Post a comment Touting superior jitter performance, comparable to SAW-based devices, MtronPTI has introduced two new oscillator lines that feature the company's QiK Chip technology for a shorter two-week cycle time. These include the low-jitter M210x series of clock oscillators and the M310x series of voltage-controlled crystal oscillators (VCXOs) with frequencies from 150 MHz to 1.4 GHz. Applications include telecommunications, wireless base stations, avionic flight controls, test equipment, instrumentation,
Tantalum chip cap touts reliability, small size Product News 10/14/2005 Post a comment Vishay Intertechnology, Inc. has introduced a new series of low-profile, high-capacitance solid tantalum chip capacitors packaged in a compact P case size that couples a small size with high reliability for greater functionality in handheld devices.
Resistors feature ultra-low resistance values Product News 10/14/2005 Post a comment Featuring ultra-low resistance values down to 0.2 milliohms, two new surface-mount Power Metal Strip resistors from Vishay Intertechnology Inc. offers power ratings of 3.0 W and 5.0 W for all types of current sensing, voltage division and pulse applications.
Protection device safeguards MIDDI mobile phones Product News 10/11/2005 Post a comment Semtech Corp. has extended its RailClamp protection family with the introduction of its new RClamp 0504P protection device that features low capacitance and high-surge capacity needed for next-generation clamshell and game-capable mobile phones.
4-MHz quartz crystal claims smallest size Product News 10/11/2005 Post a comment Kyocera Kinseki, a subsidiary of Kyocera Corp., said it has developed the industry's first miniature, and smallest, 4-MHz quartz crystal. The CX3225SB low-frequency quartz crystal, at one twenty-seventh the size of conventional units, provides stable frequency sources for applications that require compact size and power savings such as portable DVDs, handheld game players, PDAs and cellular handsets.
ST boosts passive integration News & Analysis 10/10/2005 Post a comment Swiss-based semiconductor supplier STMicroelectronics has unveiled the first details of a technology the company said significantly increases junction capacitance density in thin-film passive integration.
Leaded tantalum caps come with lead-free options Product News 10/7/2005 Post a comment KEMET Corp. has expanded its RoHS-compliant options for tantalum leaded capacitors, and claims first to market with new RoHS-compliant/lead-free axial-molded (T322), radial-molded (T340) and commercial hermetically sealed (T110/T140) tantalum capacitors. The company will continue to offer standard tin/lead (Sn/Pb) versions.
OCXO shrinks in size Product News 10/6/2005 Post a comment Packaged in a 1.0 x 0.8 x 0.5-inch footprint, the new XO5183 family of high-performance oven controlled crystal oscillators (OCXOs) from MtronPTI features a phase noise performance of -90 dBc at a 1 Hz offset for a 10 MHz sinewave device. A phase noise as low as -100 dBc/Hz at a 1 Hz offset can be achieved for special applications, said the company.
Tiny TCXOs target satellite radio receivers Product News 10/5/2005 Post a comment NDK (Nihon Dempa Kogyo Co., Ltd.) has introduced two surface-mount temperature compensated crystal oscillators (TCXOs) to assist in signal discrimination in satellite radio receivers that typically require high-performance frequency sources to help receive and decode a 2.4 GHz signal particularly in locations where signals are hard to reach, said the company.
OCXO packs low power, high stability in small package Product News 10/5/2005 Post a comment A new double-oven oven controlled crystal oscillator (OCXO) from Fox Electronics is said to offer the best ratio of stability to size and power consumption on the market. The new FDE/FDD505AH oscillator may be used in high-performance synthesizers, base stations, telecommunications products, and satellite receivers, as well as wireless and RF systems. In addition, the company said it can achieve rubidium-like performance in precision standards when disciplined by GPS.
Blog Doing Math in FPGAs Tom Burke 24 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 ...