PSIP
(pronounced P-SIP) Acronym for Program and Systems Information Protocol, is the ATSC standard for digital television channel naming, numbering and navigation.
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- PSK
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 […]
- PSN
Short for packet-switched network, another name for a packet-switched data network.
- PSOP
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 […]
- Public Switched Telephone Network (PSTN)
Short for Public Switched Telephone Network, which refers to the international telephone system based on copper wires carrying analog voice data. This is in contrast to newer telephone networks base on digital technologies, such as ISDN and FDDI. Telephone service carried by the PSTN is often called plain old telephone service (POTS).
- PS/2 port
A type of port developed by IBM for connecting a mouse or keyboard to a PC. The PS/2 port supports a mini DIN plug containing just 6 pins. Most PCs have a PS/2 port so that the serial port can be used by another device, such as a modem. The PS/2 port is often called […]