Power Amplifier Drives Multiple Inkjet Heads
Jan 1, 2005
Suitable for piezoelectric transducers, high-current
linear power amplifiers are playing an ever-expanding
role in the development of new inkjet printer applications....
Energy Metering May Link Grids and Chips
Jan 1, 2005
Spurred on by deregulation and new technology, utility companies have increasingly turned to electronic designs for their energy meters. There are many compelling economic reasons for doing so....
Controller Expands Power Management Capabilities
Jan 1, 2005
Voltage sequencing, tracking and margining are becoming popular features in dc-dc converter modules, but these functions are less commonly found in dc-dc...
Droop Compensation Versus Ideal Regulation
Nov 1, 2004
Advances in silicon technology have led to significantly faster processors, memory and switching logic. These high-performance semiconductor devices can...
Converter Synchronization Provides Design Flexibility
Nov 1, 2004
Designs often require synchronization of two power converters within the same piece of equipment. Doing this fixes the noise at a particular frequency...
Controllers Guard Against Arc Faults
Nov 1, 2004
Solid-state power controllers (SSPCs) are designed to replace mechanical circuit breakers, which work by tripping when the temperature of their internal...
High-Side Switch for Motors and Lamps
Sep 1, 2004
Low-power dc motor control is one of the most common applications for power electronics, and one for which low-cost solutions are in demand. Design engineers...
Eric Lidow: Lifetime Achievement Award Recipient
Sep 1, 2004
To list the highlights of Eric Lidow's career in power electronics is to chronicle many of this industry's milestones dating back to the introduction...
Managing Multiple Supply Voltages
Aug 1, 2004
For most electronic systems, monitoring system voltages with a power-on reset (POR) ensures proper initialization at power up. Furthermore, detecting...
Power Management for High Performance
Jul 1, 2004
You are responsible for the card-level power design in your product. You have determined what power rails you need on each card. You have chosen the best...
Photoflash Chargers Light the Way for Camera Phones
Jul 1, 2004
Xenon flash bulbs remain fixtures in photography even with the migration from film-based cameras to digital still cameras. Typically, a circuit compromised...
Navigating the IEEE 802.3af Standard for PoE
Jun 1, 2004
The IEEE 802.3af standard for Power over Ethernet (PoE) introduces a new facet to Ethernet networking. Most additions to the 802.3 standard are in the...
High-Power PoE Technology Evolves
Jun 1, 2004
Power over Ethernet (PoE), a technology for the delivery of power and Ethernet data on the same cabling, has been around in various forms for almost four...
Power-Monitoring Circuits for Battery Performance
May 1, 2004
Electronic systems are often subject to the power limitations imposed by their power supplies and batteries, and the maximum power available from those...