Inductors measure up Product News 9/25/2003 Post a comment Pulse's high-efficiency, high-frequency PA051X series of shielded inductors for multiphase voltage regulator modules (VRMs) has more than twice the energy storage density (microjoules/mm3) of any other inductor of comparable size for VRM10 apps, the company said.
Ceramic capacitors roll with increases in values Product News 9/25/2003 Post a comment Designed to replace aluminum electrolytic and tantalum capacitors, Murata Electronics North America Inc.'s new line of miniaturized multilayer ceramic chip capacitors offers an increased capacitance range up to 100 microfarads with voltage values of 6.3 volts.
Chips watch LCD power Product News 9/25/2003 Post a comment Texas Instruments has two new triple-output charge pumps and a switch-mode dc/dc source for maximizing power efficiency in liquid crystal displays for notebooks.
Cherokee, Synqor bus converters target 12 V Product News 9/25/2003 Post a comment Two new bus converters from Cherokee International here and Synqor (Hudson, Mass.) set their sights on the 12-volt intermediate bus as a suitable takeoff point for powering multiple point-of-load converters in distributed-power architectures.
IPC reactivates lead-free solder issue Product News 9/18/2003 Post a comment In the belief that a proactive approach is the best way to take the lead out, the Solder Products Value Council of IPC (previously the Institute of Interconnecting and Packaging Electronic Circuits) has just released the first of two white papers on lead-free alloys.
Compact dc power plant handles 3 kW Product News 9/18/2003 Post a comment Magnetek Power Electronics Group's 3,000-watt Compact Energy Station dc power plant design delivers 48 Vdc at up to 54.8 amps from a universal ac input. It supports up to four hot-pluggable 13.7-A rectifiers in a 19-inch rack or up to five (4 +1) hot-pluggable rectifiers in a 23-inch rack.
Enclosures meet high-power specs Product News 9/18/2003 Post a comment Elma Electronic Inc.'s latest line of enclosures complies with the VITA 1.7 specification for higher power requirements. VITA 1.7 increases the current rating of the existing DIN connector pins, both three-row 96-pin and five-row 160-pin, from 1 amp to a minimum of 2 A per contact.
Power resistor chips roll Product News 9/18/2003 Post a comment Vishay Intertechnology Inc. says its two new series of thin-film, wire-bondable resistor chips provide one of the industry's best combinations of power-handling capacity and size for power supplies and high-power circuits in amplifiers.
Test socket targets 10 GHz Product News 9/18/2003 Post a comment Aries Electronics Inc. offers a new RF test socket for devices up to 13 mm wide, with 0.5-mm pitches, for applications with speeds from 1 to over 10 GHz. The sockets are designed for devices such as CSP, MicroBGA, QFN, DSP, LGA, SRAM, DRAM and flash memory.
Tyco shrinks RF connector by 35 percent Product News 9/18/2003 Post a comment Combining durability and performance in a small package for GPS, automotive, wireless communications and other commercial applications, Tyco Electronics' MMCX microminiature RF connector is designed for broadband performance from dc to 6 GHz, for future system upgrades without needing to be concerned about performance degradation.
Pentek VIM-2 module provides transmit functions for soft radio Product News 9/18/2003 Post a comment Pentek Inc.'s model 6228 VIM-2 (velocity interface mezzanine) module delivers high-performance transmit functions for software-radio systems, thanks in large part to its use of two new Texas Instruments DAC5686 wideband interpolating digital-to-analog converters with integrated upconverters and a Xilinx Virtex-II XC2V1000 or 3000 FPGA for custom programming, according to Pentek.
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 ...