This diagram shows the standard layout of transistors in cell phone power amplifiers, at left, and a new highly efficient amplifier design, at right. The new design could help make possible ...

In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier circuit. The circuit extended the detection range of the hack from a few inches to a few ...

Cell phone amplifier wearable,to boost cell phone clarity conversation or music volume,great help for people in crowded place or seniors,elderly, hard of hearing. SIMPLE/EASY, only 3 button design for ...

Santa Clara, Calif. – Anticipating the integration of FM stereo radio and other new analog audio sources into cellular telephones, National Semiconductor Corp. has introduced two “Boomer” ...

After experiencing a long inventory adjustment period, Taiwan-based Win Semiconductors, Visual Photonics Epitaxy Company (VPEC), and Advanced Wireless Semiconductor Company (AWSC) have started to see ...

Your cellphone is great, and with the latest breed of smartphones you're not just making calls but messaging, surfing the net, downloading and sharing photos. All ...

IN THE BOX: You will receive an In-Line telephone sound amplifier with a strobe light that amplifies ringer volume from the corded telephone for the hearing-impaired ...

In what may be the most impractical discovery I’ve ever made, it came to my attention last week that sea caves make serviceable cell phone amplifiers. Last weekend I was on an 88-foot liveaboard dive ...

If you would like to get the best sound experience possible from your mobile device, computer or tablet you may be interested in a new high resolution headphone amplifier called Tea. Launched via ...

A new highly efficient power amplifier for electronics could help make possible next-generation cell phones, low-cost collision-avoidance radar for cars and lightweight microsatellites for ...