Toshiba PCX2600: cable modem's analog origins
Teardown 2/11/2004 Post a comment
While consumer broadband is still in the relatively early phase of market share of cable-based delivery is claimed lead over the primary competition from DSL solutions. Inherently a fat digital pipe to your PC, the cable modem must first deal with the analog realities of RF frequency control, tuning, line filtering, modulation, demodulation, and general power management for the supporting components. For Planet Analog, David Carey looks Under the Hood of a new cable modem.
Wireless Gets a Boost from WiMAX
Design How-To 2/3/2004 Post a comment
Imagine Wi-Fi on steroids. Imagine a wireless data technology that covers ranges up to 30 miles instead of a couple of hundred feet. Imagine data rates many times higher than for Wi-Fi's 802.11b technologyeven higher than for the newer 802.11a and 802.11g. What you've just imagined is an implementation of IEEE standard 802.16a. Gary Legg describes this new technology that's increasingly referred to as WiMAX (World Interoperability for Microwave Access).