Author - Dick Cappels

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Dick Cappels	Write for Electronic Design
Dick Cappels is a consultant and writer based in Mesa, Ariz. Email address: dickedmag1@cappels.org Web site: http://www.cappels.org/
2 results found for Dick Cappels, displaying items 1 - 2

March 15, 2004 [Ideas For Design]
Novel Series-Boost Circuit Uses Flying Inductor
The power supply that's described here boosts the voltage from a 1.5-V flashlight cell to 3.5 V across an LED, while the LED and flashlight cell are in series with the power supply. What spawned this circuit was the need to make an LED retrofit kit...

July 21, 2003 [Ideas For Design]
Analog Pink-Noise Source Drives Earphones Or Speakers
Acoustic white noise is useful as a masking sound to improve privacy in offices, or as a soothing sound field to help concentration and sleep. It has also been said to aid in therapy for people suffering from tinnitus (ringing in the ears). White...