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June 24, 2008

Mtg: FBAR Filters and Resonators for Frequency and Time Applications

by @ 7:03 pm. Filed under ALL, Communications, Electronics Design, Engineering Mgmt, Semiconductors

TUESDAY July 22, 2008
SCV Electron Devices Chapter
Speaker: Dr. Rich Ruby, Avago Technology
Time: Social at 6:00 PM, Presentation at 6:15 PM
Cost: none
Place: National Semiconductor Corp. Building E1, Conference Center, 2900 Semiconductor Drive, Santa Clara
RSVP: not required

This talk will be in 3 parts; part one will be a quick overview of a novel and general method of measuring Q for any kind of resonator. ? Comparisons between FBAR, SAW/SMR-BAW, AlN Contour Mode or Rayleigh-Lamb resonators, and electrostatic MEM â??whispering gallery??? mode resonators will be made and four â??Figure-of-Merit??? values will be presented.

The next section will cover FBAR filter technology (background and current status) at Avago. ? In late 2000 Agilentâ??s Wireless Semiconductor division (now Avago) sold its first PCS duplexer that enabled the Sanyo Slim phone the first â??non-brick??? sized CDMA cell phone on the market. ? Since then, Avagoâ??s Wireless Semiconductor Division has sold approximately one billion filters and FBAR is finding more and more applications within the filtering community.

The last section will cover the next market for FBAR â?? the Temperature Compensated FBAR. ? This device uses a mechanical layer integrated into the acoustic stack to give temperature stability comparable to quartz resonators.? This section will cover both resonator and oscillator measurements for a variety of resonators over a range of frequencies.

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