Hot Topic:
Military/defense

EDN

• 3.3V mixer downconverts RF with good linearity
  
  Author: By Paul Rako, Technical Editor | Date: Oct 28, 2009
  ...systems. You can also use it for backhaul-wireless service between base stations and public-safety, and military-communications systems. The LTC5541 operates at a -40 to +85°C junction temperature; comes in a 5×5-mm, 20-pin QFN...
• Thermal design guidelines for solid-state lighting applications using LEDs
  
  Author: By Henry F. and Peter A. Villaume, Villaume Associates | Date: Sep 11, 2009
  ...temperature of the LED chip. Do not, therefore, set the allowed maximum ambient temperature higher than necessary. Military applications typically have ambient temperatures like 55°C (131°F) to 70°C (158°F). A specified limit of 50°C...
• 2008 EDN DSP Directory
  
  ...the-fly reconfiguration to any frequency plan as a digital front-end for the telecommunications, defense, and instrumentation markets. The SpectraChip cores provide a digital replacement for analog intermediate-frequency filtering...
• RF switching options: The right fit might come with a loss
  
  Author: By Rick Nelson, Editor-in-Chief | Date: Sep 17, 2009
  Manufacturers are offering SOI and MEMS alternatives to PIN-diode, GaAs, and electromechanical switches for a variety of RF applications, but you need to understand RF-switch specs before you commit to a new technology.
• 2007 EDN DSP Directory: NeuroMatrix NM6403
  
  2007 EDN DSP Directory By Robert Cravotta, Technical Editor A comprehensive listing of digital-signal-processing resources, including software-programmable processors, programmable fabrics, IP (intellectual-property) blocks, and digital-signal controllers.
• Onboard FPGAs enable high-performance ADC modules to analyze data at unprecedented speeds
  
  Author: By Dan Strassberg, Contributing Technical Editor | Date: Sep 22, 2009
  ...programmable FPGAs. Although much of Acqiris’ work focuses on meeting the data-acquisition needs of defense-and-aerospace- system manufacturers, the new products will also find application in such areas as medical imaging, scientific...
• 2008 EDN DSP Directory: DIOPSIS (Magic Core)
  
  DIOPSIS 940HF is a dual-core processing platform for audio, communication and beam-forming applications, integrating a floating-point MagicV VLIW DSP and an ARM926EJ-S RISC microprocessor.
• In the days of old, when engineers were bold
  
  Author: By Lynn Smith |
  ...processor, I took a job as chief engineer at a company that developed, manufactured, and supplied military and industrial security-monitoring systems. Job 1 was an intermittent problem in the current model that caused the watchdog timer to reset...
• Precision Mixed Signal - 2007 EDN Microprocessor/Microcontroller Directory - Details on hundreds of
  
  2007 EDN Microprocessor Directory: Different strokes By Robert Cravotta, Technical Editor Our 34th Annual Microprocessor and Microcontroller Directory presents you with a palette of processing options and development tools for your project.
• Simple circuit smoothly drives stepper motors
  
  Author: Uwe Schüler, Institute of Physiology, Tübingen, Germany; Edited by Martin Rowe and Fran Granville | Date: May 28, 2009
  The circuit in this Design Idea drives low-power, unipolar stepper motors using only a shift register, a few resistors, and low-power transistors. Adding an inexpensive 4053 analog switch allows bidirectional switching.
• NASA Perfects Lunar-Crashing Technology for Only $79 Million
  
  Author: Steve Leibson | Date: Oct 9, 2009
  Leibson's Law: It takes 10 years for any disruptive technology to become pervasive in the design community. This blog is about the disruptive technologies that either have or will win over electronic engineers, some that won't, and why. Please feel free to link to these blog entries! Written by
• Network analyzer for active-device test adds 13.5-, 43.5-, and 50-GHz models
  
  Author: By Dan Strassberg, Contributing Technical Editor | Date: Jun 1, 2009
  ...devices the flexibility to select the right instrument bandwidth for each application. Aerospace and defense engineers who work on systems with frequencies as high as 50 GHz can now benefit from Agilent’s single-connection, multiple-measurement...
• 2008 EDN MICROPROCESSOR AND MICROCONTROLLER DIRECTORY
  
  ...controllers (RNCs), and general-purpose embedded computing systems in the networking, telecom, industrial, military and aerospace markets. The P4080 is based on 45-nm process technology. It integrates enhanced Power Architecture cores...
• Texas Instruments announces dual 14-bit, 250-Msample/sec AD
  
  Author: By Rick Nelson, Editor-in-Chief | Date: May 13, 2009
  ...adding that it targets communications applications, defense imaging systems, and wideband and portable test-and...to improve small-signal analysis in defense and radio-receiver applications. The device forms a part of a complete...
• 2008 EDN DSP Directory: TigerSHARC
  
  Analog Devices' TigerSHARC processors are a family of static superscalar architecture devices that combine RISC, VLIW, and standard DSP functionality with support for fixed and floating-point data types.
• Design mingles with test across domains
  
  Author: By Rick Nelson, Editor-in-Chief | Date: Jul 9, 2009
  The lines between electrical-engineering disciplines are continually blurring, with traditional test products taking on design chores and vice versa.
• 2008 EDN DSP Directory: CoreFIR
  
  Actel's CoreFIR is a filter generator that uses a distributed arithmetic implementation methodology to create FPGA-based low- and high-pass digital filters for general signal filtering, detection, and analysis functions.
• Ramtron expands serial-FRAM line with 32-kbit device
  
  Author: By Rick Nelson, Editor-in-Chief | Date: Jun 19, 2009
  ...is a direct hardware replacement for serial EEPROM in industrial-control, metering, medical, military, gaming, and computing applications. It provides reliable data retention for 45 years when operated at 75°C, a necessary retention time...
• Hubble to Earth: I’m Baaaaack!
  
  Author: Steve Leibson | Date: Sep 9, 2009
  Leibson's Law: It takes 10 years for any disruptive technology to become pervasive in the design community. This blog is about the disruptive technologies that either have or will win over electronic engineers, some that won't, and why. Please feel free to link to these blog entries! Written by
• Boeing postpones test flights again: how's your tape-out looking?
  
  Author: (author unknown) | Date: Oct 7, 2009
  EDN Executive Editor Ron Wilson explores how IC design teams really work: the struggle for power efficiency and performance, wrestling with semiconductor processes and design methodologies, the challenges of global design teams. How do we somehow herd architecture, IP, design and verification into