The December issue will feature the design of the HP 83480 digital communications analyzer for SONET/SDH testing, the HP E5200A broadband service analyzer for ATM testing, HP SmartClock technology and products for using the Global Positioning System as a time reference, and the HP HEDS-8000 Series surface mount reflective optical shaft encoders. A pair of papers will describe a new, radially staggered IC bonding technology, and a special section will celebrate the thirtieth anniversary of HP Laboratories.