Designers Guide To Reliable Oscillators And Timers (Part 2)
April 2008, Page 54
Understanding And Designing With The Ever-Useful CMOS Timer: Not as commonplace as the operational amplifier, the integrated circuit CMOS timer — such as the ICM7555 and TLC555 — has nonetheless found a secure niche in electronics. Why is this?
Designers Guide To Reliable Oscillators And Timers (Part 3)
May 2008, Page 72
Crystals That Make The World Go ‘Round: Strike a crystal goblet with a spoon, and you immediately have both the attention of your guests and the sympathetic resonance of other goblets on your sumptuous holiday table. What is happening here? Well, you have created a crystal oscillator that generates acoustic waves in the air. It’s an impulse oscillator, wherein the peak movements of the glass and of the ensuing waves of air pressure decay exponentially over time...