Graduate engineering student Vincent Leung from the University of California, San Diego, has developed an ultra-low-power silicon germanium (SiGe) BiCMOS Transmitter IC for third-generation (3G) W-CDMA cellphone applications that can lower power consumption in transmitters by up to 50% when the handset is close to a base station, allowing longer talk times in 3G cellphones. Go to http://cwc.ucsd.edu.
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
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