News and New Products

EDN's top 10 articles of 2005

We list the 10 most-read articles of the year (plus 11 through 30 for good measure).

-- EDN, 12/27/2005

Here are the most-read EDN articles of 2005, based on site-traffic statistics.

1. Circuit makes simple high-voltage inverter
   By Francesc Casanellas, Aiguafreda, Spain
   Design Idea - 5/27/2004
   A simple high-voltage MOSFET inverter solves the problem of driving a high-side MOSFET.
   
   
2. 2005 Microprocessor Directory: Charting your course
   By Robert Cravotta, Technical Editor
   Feature - 8/4/2005
   Follow the silicon-bread-crumb trail in this directory to find the perfect device for your project.
   
   
3. The Hot 100 products of 2004
   Feature - 12/17/2004
   The best 100 products of 2004 encompass a range of architectures and technologies and a plethora of categories—from analog ICs to multimedia to test-and-measurement tools.
   
   Editor's Note: The brand new Hot 100 of 2005 is now available.
   
   
4. Circuit provides bidirectional, variable-speed motor control
   By Jean-Bernard Guiot, DCS AG, Allschwil, Switzerland
   Design Idea - 5/16/2002
   During the development of systems that include small motors, a simple, bidirectional motor controller with speed adjustment may be helpful.
   
   
5. Using the HID class eases the job of writing USB device drivers
   By Stuart Allman, Cypress Semiconductor
   Feature - 9/19/2002
   The USB HID class is a powerful and versatile way to get your device on the USB. If your USB device can exist within the bandwidth limits of the HID driver, then using this driver may save your sanity and your schedule. An example shows how.
   
   
6. Build a transformerless 12V-to-180V dc/dc converter
   By Francis Rodes, ENSEIRB/IXL, Talence, France
   Design Idea - 7/8/2004
   The circuit in this Design Idea features a transformerless, switched-capacitor topology that requires only off-the-shelf components.
   
   
7. Circuit generates fan-speed control
   By Jim Christensen, Maxim Integrated Products
   Design Idea - 3/21/2002
   This Design Idea describes a low-cost, self-contained analog circuit for fan-speed control.
   
   
8. HDCP: what it is and how to use it
   By Jim Lyle, Silicon Image
   Feature - 4/18/2002
   Whether or not you believe in content protection, if you design digital-video products, you must deal with the technology. Here's what you need to know to start applying high-bandwidth digital-content protection.
   
   
9. Black boxes capture car-crash data, controversy
   By Warren Webb, Technical Editor
   Feature - 5/12/2005
   Capable of recording mechanical and human performance before and during a crash, motor-vehicle event-data recorders have attracted the attention of safety and privacy advocates.
   
   
10. Filters in a nutshell: Spreadsheet promotes intuitive feel
    By Dave Van Ess, Cypress MicroSystems
    Feature - 6/9/2005
    Using an online spreadsheet, designers can derive the most common types of filters from a universal-filter-transfer function.
    
    

And for the record, here's 11 through 30...

11. Simple circuit controls stepper motors
    Design Idea - 1/8/2004
    
12. 31st Annual Microprocessor Directory
    Feature - 8/5/2004
    
13. Cheap shot: Inside a $30 video camera
    Prying Eyes - 8/4/2005
    
14. 1.5V battery powers white-LED driver
    Design Idea - 9/30/2004
    
15. Bandpass filter features adjustable Q and constant maximum gain
    Design Idea - 3/3/2005
    
16. Power inverter is bidirectional
    Design Idea - 8/2/2001
    
17. Software-defined radio tunes in
    Feature - 3/3/2005
    
18. How to read a semiconductor data sheet
    Feature - 4/14/2005
    
19. AC-coupling instrumentation amplifier improves rejection range of differential dc input voltage
    Design Idea - 9/30/2004
    
20. 2005 DSP Directory: Targeted DSPs take aim
    Feature - 4/28/2005
    
21. Circuit forms dc-motor switch with brake
    Design Idea - 1/10/2002
    
22. Sound advice for Class D amplifiers
    Feature - 4/28/2005
    
23. Understand the effects of clock jitter and phase noise on sampled systems
    Feature - 12/7/2004
    
24. Use a 555 timer as a switch-mode power supply
    Design Idea - 11/14/2002
    
25. Build a precise dc floating-current source
    Design Idea - 8/18/2005
    
26. Circuit measures true-rms and average value
    Design Idea - 9/26/2002
    
27. Versatile digital speedometer uses few components
    Design Idea - 5/12/2005
    
28. Constant-current, constant-voltage converter drives white LEDs
    Design Idea - 9/2/2004
    
29. S-parameters and digital-circuit design
    Feature - 2/3/2005
    
30. Circuit performs high-speed voltage-to-current, current-to-current conversion
    Design Idea - 7/25/2002