Signaling board updates fast Product News 10/26/1999 Post a comment A 88.9 x 101.6-mm direct digital synthesizer board, the Model DDS7m from Novatech Instruments Inc., features simultaneous sine and ACMOS/TTL outputs at up to 68 MHz, handling frequency and phase updates in less than 400 nanoseconds.
Backplanes fit H.110 CTI spec Product News 10/26/1999 Post a comment Hybricon Corp. has announced a series of 6U CompactPCI backplanes that comply with the H.110 computer-telephony (CTI) bus of the ECTF, plus the hot-swap and computer-telephony specifications of PICMG.
Mezzanine board has parallel I/O Product News 10/26/1999 Post a comment Pentek Inc. has made a new addition to its line of velocity interface mezzanine (VIM) boards, the Model 6227, a parallel digital I/O board. Geared for mounting onto DSP boards based on Texas Instruments' C6x chips, the 6227 contains two 16-bit, data streaming parallel ports-one for input, one for output-plus a bidirectional, 16-bit control/status port, all operating at TTL levels.
DSP boards near $1/Mflops Product News 10/26/1999 Post a comment BittWare Research Systems has announced a new DSP board design called Shortfin that leverages Analog Devices' ADSP-21065L DSP chip to bring OEM board pricing down to about $1.25 per Mflops, according to company president Jeffry Milrod.
Dual CAN 8051 targets 4-Mbyte memories Product News 10/26/1999 Post a comment Dallas Semiconductor says its DS80C390 Dual CAN microprocessor is the first 8051 processor to integrate two Controller Area Network bus controllers and to be capable of addressing 4 Mbytes of external data memory and 4 Mbytes of external program memory.
Heat sinks help systems chill out Product News 10/26/1999 Post a comment Given the power dissipation issues associated with compact ICs and the increas-ing criticality of temperature control for minimizing failure rate, capable and innovative heat sink products and design software are forging ahead to meet the cooling challenge.
PCU manages power over eight servers Product News 10/20/1999 Post a comment The Masterswitch Plus from APC is a server-based remote power control unit (PCU) that allows users to individually control power to connected devices, and gracefully shut down up to eight connected servers of different operating systems based on UPS events or the company's environmental monitoring card (previously called Measure-UPS II) events.
Inductors serve power dc/dc apps Product News 10/19/1999 Post a comment Coilcraft's DO1813HC power inductors feature rms current ratings from 0.72 to 6 A and are said to offer the high current and low inductance values required for high-power dc/dc applications.
Resistor boosts phototransistor Product News 10/19/1999 Post a comment Optek Technology Inc.'s OP793 and OP798 silicon npn phototransistors integrate base-emitter resistors that are said to enhance the transistors' low-current roll-off characteristic, letting them ignore low-level ambient lighting while providing sharp turn-on characteristics in low-contrast applications.
Coax panel jack is long-bodied Product News 10/19/1999 Post a comment Tru-Connector Corp.'s 7-16 RF coaxial panel jack has a longer body than comparable devices to simplify cable installation and a large center conductor access hole to ease soldering.
Power supply cools on its own Product News 10/19/1999 Post a comment A universal ac input, fixed-frequency, single- and triple-output switching power supply from Converter Concepts handles 250 W in natural convection and doesn't need a cooling fan.
Capacitors suit portable designs Product News 10/19/1999 Post a comment Cal-Chip Electronics has added size 0402 to its GMC series of multilayer ceramic chip capacitors for notebook computers, personal digital assistants and other applications that require high-density mounting.
Converters pack more power Product News 10/19/1999 Post a comment "SuperMicro" dc/dc converters from RO Associates are said to incorporate the power of "three-quarter brick" devices into industry-standard half-brick packages (measuring 2.28 x 2.4 x 0.5 inches).
PFC front end stays efficient Product News 10/19/1999 Post a comment A power-factor correction front-end module from OnLine Power Supply Inc. promises no thermal deration, which means it doesn't suffer efficiency losses at higher temperatures.
Inductors built for RF, wireless Product News 10/19/1999 Post a comment High-frequency multiplayer ceramic inductors for RF and wireless applications feature self-resonant frequencies up to 4 GHz and quality factors up to 55 at 800 MHz.
Transformers go to 250 VA Product News 10/19/1999 Post a comment MCI Transformer has earned UL and TUV/CE qualification for its 4-49 series industry-standard international quick-connect transformers in sizes 9 (200 VA) and 10 (250 VA).
Resistors span 2.5 to 5.5 W Product News 10/19/1999 Post a comment Noninductive, bulk ceramic resistors from 2.5 to 5.5 W with resistance values from 1 to 15,000 ohms in 10 percent tolerance are available from Ohmite Manufacturing Co.