Page 17

EETE SEPTEMBER 2012

Smart SyStem IntegratIon 2012 technology could find use not only determine time of arrival (TOA) and in large memory stacks that make direction of arrival (DOA) through up solid-state drives but also for time-shifted sampling edges which multiple processor packages or are generated by on-chip digital-to- for non-contact wafer-level testing time converters (DTC). as well as for debugging by prob- According to the student, the ing internal bus data wirelessly proposed architecture has range through a device’s package. and azimuth resolution of 0.75cm and 3 degree respectively - see A student in the department figure 4. of electrical engineering at the This UWB impulse radio timed- national tsing Hua University in array radar system can identify taiwan, chang-Ming lai pre- multiple targets by measuring simul- sented an ultra-wideband (UWB) taneously both direction of arrival impulse radio timed-array radar (DOA) and time of arrival (TOA) of implemented in 0.18μm CMOS the radio waves scattered by several technology. objects. Using a time-shifted direct- Fig. 4: Human breathing as seen over a distance of 3m by What’s more, for high-fidelity sampling architecture, the 4-chan- detection, the scattering waveform of the UWB impulse radio timed-array radar. nel transmitter array generates UWB pulses from the radio interac- and sends a variety of 10Gs/s pulses towards targets while the tion between the radar and the detected objects can be recon- receiver array samples the reflected signal in RF domain directly structed through the analogue signal processing array (ASP) of by time interleaved sampling at 20Gs/s. the radar system can the radar receiver. Game Changer A Winning Strategy for All your Product Needs! The LPKF ProtoLaser U3 creates applications for product development that were previously only possible with the help of large, industrial systems. The machine’s UV laser processes nearly all materials, including laminated substrates. Visitwww.lpkf.com to learn more about the new LPKF ProtoLaser U3. European Microwave Week: 29.–31.10.2012, Halle 3, Stand B425 electronica: 13.–16.11.2012, Halle B1, Stand 319 LPKF Laser & Electronics AG Phone +49 (0) 5131-7095-0 www.electronics-eetimes.com Electronic Engineering Times Europe September 2012 17


EETE SEPTEMBER 2012
To see the actual publication please follow the link above