Short for public safety answering point, a physical location where 911 emergency telephone calls are received and then routed to the proper emergency services. See E911.
Short for packet-switched data network, a data communications network that is based on the principles of packet switching, as opposed to circuit switching that is used in public telephone networks. Packet-switched networks do not establish physical communication channels between communicating devices like circuit-switched networks do. Instead, signals are formed into fixed-length packets that are affixed […]
(pronounced P-SIP) Acronym for Program and Systems Information Protocol, is the ATSC standard for digital television channel naming, numbering and navigation.
Short for phase-shift keying, a modulation technique used by modems in which different phase angles in the carrier signal are used to represent the binary states of 0 and 1. The simplest method of PSK, also called biphase modulation, uses two signal phases – 0 degrees and 180 degrees. The digital signal is broken up […]
Short for packet-switched network, another name for a packet-switched data network.
Short for Plastic Small Outline Package, it’s a surface-mount memory packaging from Intel. key features of the PSOP include the following: JEDEC standard compliance, footprint and height 50 percent of DIP, two-side leaded for routing simplicity, 50 mil (1.27 mm) pitch for SMT simplicity and ease of use, gull wing formed leads, and it supports […]