移动通信与无线通信中的声表面波器件设计与应用移动通信与无线通信中的声表面波器件设计与应用（ K. Campbell ） Understanding Surface Acoustic Wave (SAW) Devices for Mobile and Wireless Applications and Design Techniques by Colin K. Campbell, Ph.D., D.Sc. Session 17: "An Overview of SAW Devices For Mobile/Wireless Communicatio ns" ( 62 Questions and Answers for Year 2006 ) (You may wish to print a copy of this web page for future reference ) WORLD-WIDE PRODUCTION LEVELS Question 1 . s? Answer 1 : use! My own unofficial estimate is that this is well in excess of 1000 million devices a ye ar, with over 60 companies world-wide involved with SAW devices - either in manufacture or product What is the current world-wide production level of surface acoustic wave (SAW) device SOME UNUSUAL PROPERTIES OF SAW DEVICES Question 2 : Answer Before we go any further, te……