Closer Look: Where has the $40 billion gone? Blog 4/17/2002 Post a comment Airport and airline security -- the very concern triggered by the 9/11 attacks -- has been slow to get off the ground. A few airports, such as San Francisco International, are exemplary by having almost total biometric personal identification systems for all secure areas. But numerous General Accounting Office reports and the Department of Transportation's own audits reveal still troubling security gaps in the majority of the nation' s air terminals.
Closer Look: Passives more important than ever in 3G phones Blog 4/10/2002 Post a comment Here's a quick quiz for everyone connected with the next generation 3G cellular phone: what are the most critical parts in the new handset?Reminiscent of "for want of a horseshoe nail, a kingdom was lost," the absolutely critical parts are the lowly, mundane penny-cost passive components. And this is never more true than with the leading edge 3G handset with all its gee-whiz electronics.
Closer Look: Why you won't see 3G for awhile Blog 4/3/2002 Post a comment Despite the hype, don't look for the U.S. to go rushing into the new high speed data Third Generation cellular phones any time soon. In fact, Europe and Asia will probably be well established in 3G before the U.S. ever gets started.
The reasons are quite simple:
* The U.S. telecom community, market and government are busy dodging the quintessential issue of who pays for installing the costly new 3G infrafrastructure.
* American high speed, large file downloaders will probably use wireless PC
Valley View: Forget about conventional wisdom Blog 4/1/2002 Post a comment Almost everyone in the electronics industry was caught off guard by the market meltdown of 2001. Widespread predictions of double-digit growth were turned on their head as the chip industry suffered its worst yearly decline ever. How could everybody have been so wrong?
As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.
January 2016 Cartoon Caption ContestBob's punishment for missing his deadline was to be tied to his chair tantalizingly close to a disconnected cable, with one hand superglued to his desk and another to his chin, while the pages from his wall calendar were slowly torn away.122 comments