Glossary

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Term Definition
P
Puncturing
Hits: 520
P
French term for SCART (connector)
Hits: 504
P-Frame
Predictive-coded (P) Pictures Frame Structure
Hits: 505
P-pictures
Predictive pictures
Hits: 483
PABX
Private Automatic Branch Exchange
Hits: 467
PAD
Packet Assembler/Disassembler, Program Associated Data
Hits: 516
PAL
Phase Alternating Line; Programmable Array Logic
Hits: 541
PALC
Plasma Addressed LCD
Hits: 520
PALE
Programmable Atomic Logic Elements
Hits: 519
PAM
Pulse-Amplitude Modulation
Hits: 468
PARS
Private Advanced Radio Service
Hits: 480
PAT
Program Association Table, (multiplex)(part of SI); Power Alignment Technology
Hits: 456
PAX
Private Automatic Exchange
Hits: 493
PBGA
Plastic Ball Grid Array
Hits: 491
PBX
Private Branch Exchange
Hits: 520
PC
Personal Computer; Printed Circuit
Hits: 531
PCB
Printed Circuit Board
Hits: 514
PCC
Programmer Control Center
Hits: 495
PCI
Peripheral Component Interconnect
Hits: 506
PCM
Pulse Code Modulation
Hits: 516
PCMCIA
Personal Computer Memory Card International Association
Hits: 502
PCN
Personal Communications Network
Hits: 489
PCR
Programmable Clock Reference
Hits: 495
PCS
Program Control System; Personal Communication Services
Hits: 497
PCSN
Private Circuit Switching Network
Hits: 453
PDF
Pulse Density Function; Portable Document Format
Hits: 477
PDFA
Praesodymium-Doped Fibre Amplifiers (1310nm)
Hits: 487
PDH
Plesiosyncronous Digital Heirarchy
Hits: 548
PDM
Phase Division Multiplex ;Passive Display Model: Pulse Duration Modulation
Hits: 551
PDMI
Portable Digital Media Interface
Hits: 519
PDN
Public Data Network; Primary Directory Number
Hits: 515
PECL
Pseudo ___________
Hits: 453
PEL
Picture Element
Hits: 474
PES
Packetized Elementary Stream, Personal Earth Station
Hits: 484
PFD
Power Flux Density
Hits: 443
PFM
Pulse Frequency Modulation
Hits: 481
PGA
Pin Grid Array
Hits: 508
PID
Program Identification, Packet Identifier
Hits: 507
PIN
Personal Identification Number
Hits: 462
PIO
Programmable Input Output
Hits: 552
PIV
Peak Inverse
Hits: 476
PIXEL
Peak Inverse Voltage
Hits: 459
PK
Program Key
Hits: 468
PKI0
Public Key Infrastructure
Hits: 714
PLA
Programmable Logic Array
Hits: 502
PLAR
Private Line Automatic Ring down
Hits: 453
PLC
Programmable Logic Controller
Hits: 516
PLCC
Plastic Leaded Chip Carrier
Hits: 502
PLD
Programmable Logic Device
Hits: 493
PLL
Phase Locked Loop
Hits: 443
PLMN
Public Land Mobile Network
Hits: 457
PLR
Private Link Repeater
Hits: 448
PLUGE
Picture Line Up Generator Equipment
Hits: 453
PM
Phase Modulation, Poly-phase Matched
Hits: 456
PMR
Private Mobile Radio
Hits: 489
PMT
Program Map Table (multiplex) (part of SI)
Hits: 445
PN
Pseudo-random Number
Hits: 491
PNNI
Private Network to Network Interface
Hits: 456
POCSAG
Post Office Code Standardisation Advisory Group
Hits: 445
POF
Plastic Optical Fibre
Hits: 439
PON
Passive Optical Network
Hits: 493
POP
Proof Of Performance / Point of Presence
Hits: 482
POS
Programmable Option Select
Hits: 474
POTS
Plain Old Telephone Service
Hits: 489
PPM
Pulse Position Modulation
Hits: 474
PPP
Point - to - Point Protocol
Hits: 515
PPV
Pay Per View
Hits: 468
PQFP
Plastic Quad Flatpack
Hits: 507
PRA
Primary Rate Access ( 2Mb/s - ISDN )
Hits: 490
PRBS
Pseudo Random Binary Sequence; Pseudo Random Bit Sequence
Hits: 443
PRF
Pulse Repetition Frequency
Hits: 487
PRI
Primary Rate Interface
Hits: 444
PROM
Programmable Read Only Memory
Hits: 433
PSD
Power Spectral Density; Programmable System Device
Hits: 492
PSDN
Packet Switched Data Network
Hits: 470
PSI
Program Specific Information (part of SI)
Hits: 471
PSK
Phase Shift Keying
Hits: 463
PSS
Packet Switched System/ Service
Hits: 483
PSTN
Public Switched Telephone Network
Hits: 538
PSTS
Profile Specific Test Specification
Hits: 448
PSU
Power Supply Unit
Hits: 495
PT
Packet Terminal
Hits: 466
PTL
PASS Transistor Logic
Hits: 435
PTM
Pulse Time Modulation
Hits: 491
PTS
Presentation Time Stamp
Hits: 512
PTT
Postal, Telephone and Telegraph
Hits: 436
PTX
Packet Transfer Exchange
Hits: 414
PVC
Permanent Virtual Connection
Hits: 430
PVR
Personal Video Recorder
Hits: 474
PWA
Printed Wiring Assembly
Hits: 474
PWB
Printed Wiring Board
Hits: 442
PWM
Pulse-Width Modulation
Hits: 497
PWR
Power
Hits: 478

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The Society for Broadband Professionals.
Communications House , 41a Market Street, Watford, Herts, WD18 0PN.