News
AI racks hit 100 kW. Silicon can't keep up.
1+ hour, 53+ min ago (144+ words) Join our July 14 webinar on SiC and GaN strategies for AI power delivery: from grid to GPU AI workloads are pushing rack power levels past 100 kW, and silicon-based architectures are hitting their limits trying to keep up. Increasingly, the answer…...
Understanding RJ45 connectors: standards, features, and design considerations
3+ day, 2+ hour ago (206+ words) RJ45 connectors remain a cornerstone of Ethernet connectivity, supporting reliable data transmission across industrial, commercial, and consumer networking applications. Selecting the right connector requires an understanding of key factors such as shielding, port configurations, integrated magnetics, PoE compatibility, and applicable wiring…...
DDR5 chipset supports RDIMMs up to 9600 MT/s
3+ day, 8+ hour ago (206+ words) Rambus has introduced its DDR5 9600 Server RDIMM chipset for next-generation CPU-based server platforms, supporting RDIMMs at up to 9600 MT/s through the company’s 6th Generation Registering Clock Driver (RCD06), which Rambus said provides 20% more bandwidth than the prior generation. The chipset also includes…...
S-parameters and distributed impedance: part 4
3+ day, 8+ hour ago (195+ words) Log in to bookmark articles! A vector network analyzer enables you to conveniently measure S-parameters. The equations in the figure show the s values for a single incident waveform on the network. For example, s11 equals v1– divided by v1+ when v2+ is zero....
Programmable 3000 W supplies accept 340–528 Vac input
4+ day, 7+ hour ago (287+ words) TDK-Lambda Corporation has added the HWS3000GT4 to its TDK-Lambda® HWS3000 programmable AC-DC power supply series, delivering 3000 W from a 340 to 528 Vac three-phase input for industrial systems such as test and measurement, semiconductor fabrication, RF amplifiers, laser machining, printing and other equipment. The…...
High-current ferrite beads target CISPR 25 compliance
4+ day, 7+ hour ago (181+ words) Coilcraft SLZ Family high-current ferrite beads are designed for power line EMI filtering from 5 A to more than 50 A, with EMI suppression from 30 MHz to 3 GHz to support CISPR 25 EMC compliance in automotive and other high-current systems. The wirewound surface-mount…...
S-parameters and distributed impedance: part 3
4+ day, 8+ hour ago (505+ words) Log in to bookmark articles! An S-parameter matrix represents the ratios of a network’s incident and emitted waveforms. We concluded part 2 of this series with a look at surge impedance, and we began considering what happens when we launch a…...
S-parameters and distributed impedance: part 2
5+ day, 8+ hour ago (371+ words) Log in to bookmark articles! Dividing a transmission line of arbitrary length into multiple small elements can help explain characteristic, or surge, impedance. Part 1 of this series covered distributed and characteristic impedance as well as the transmission-line concept as a…...
Current sense resistors add 0.5 mΩ and 20 mΩ
5+ day, 13+ hour ago (188+ words) Stackpole Electronics has expanded its CSSU Series high-power metal alloy current sense resistors with new 0.5 mΩ and 20 mΩ values, while maintaining a 5 W rating in a 2512 package. The 0.5 mΩ option is aimed at high-current circuits where lower power dissipation and…...
ASIL-D PMIC integrates wheel-speed sensor interface
5+ day, 12+ hour ago (107+ words) Allegro MicroSystems has introduced the A81415, an ASIL-D-certified power management IC with an integrated wheel-speed sensor interface for brake-by-wire and electromechanical braking systems. The device decodes 2-level, PWM and 3-level AK wheel-speed protocols, integrates a buck-boost pre-regulator and five LDO regulators,…...