Glossary

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Term Definition
P
Puncturing
Hits: 657
P
French term for SCART (connector)
Hits: 624
P-Frame
Predictive-coded (P) Pictures Frame Structure
Hits: 625
P-pictures
Predictive pictures
Hits: 616
PABX
Private Automatic Branch Exchange
Hits: 586
PAD
Packet Assembler/Disassembler, Program Associated Data
Hits: 637
PAL
Phase Alternating Line; Programmable Array Logic
Hits: 668
PALC
Plasma Addressed LCD
Hits: 639
PALE
Programmable Atomic Logic Elements
Hits: 641
PAM
Pulse-Amplitude Modulation
Hits: 583
PARS
Private Advanced Radio Service
Hits: 603
PAT
Program Association Table, (multiplex)(part of SI); Power Alignment Technology
Hits: 574
PAX
Private Automatic Exchange
Hits: 616
PBGA
Plastic Ball Grid Array
Hits: 611
PBX
Private Branch Exchange
Hits: 647
PC
Personal Computer; Printed Circuit
Hits: 657
PCB
Printed Circuit Board
Hits: 635
PCC
Programmer Control Center
Hits: 636
PCI
Peripheral Component Interconnect
Hits: 639
PCM
Pulse Code Modulation
Hits: 649
PCMCIA
Personal Computer Memory Card International Association
Hits: 630
PCN
Personal Communications Network
Hits: 617
PCR
Programmable Clock Reference
Hits: 621
PCS
Program Control System; Personal Communication Services
Hits: 638
PCSN
Private Circuit Switching Network
Hits: 574
PDF
Pulse Density Function; Portable Document Format
Hits: 611
PDFA
Praesodymium-Doped Fibre Amplifiers (1310nm)
Hits: 610
PDH
Plesiosyncronous Digital Heirarchy
Hits: 673
PDM
Phase Division Multiplex ;Passive Display Model: Pulse Duration Modulation
Hits: 669
PDMI
Portable Digital Media Interface
Hits: 640
PDN
Public Data Network; Primary Directory Number
Hits: 632
PECL
Pseudo ___________
Hits: 570
PEL
Picture Element
Hits: 597
PES
Packetized Elementary Stream, Personal Earth Station
Hits: 603
PFD
Power Flux Density
Hits: 567
PFM
Pulse Frequency Modulation
Hits: 607
PGA
Pin Grid Array
Hits: 634
PID
Program Identification, Packet Identifier
Hits: 629
PIN
Personal Identification Number
Hits: 585
PIO
Programmable Input Output
Hits: 682
PIV
Peak Inverse
Hits: 591
PIXEL
Peak Inverse Voltage
Hits: 578
PK
Program Key
Hits: 610
PKI0
Public Key Infrastructure
Hits: 855
PLA
Programmable Logic Array
Hits: 625
PLAR
Private Line Automatic Ring down
Hits: 578
PLC
Programmable Logic Controller
Hits: 633
PLCC
Plastic Leaded Chip Carrier
Hits: 622
PLD
Programmable Logic Device
Hits: 614
PLL
Phase Locked Loop
Hits: 567
PLMN
Public Land Mobile Network
Hits: 580
PLR
Private Link Repeater
Hits: 545
PLUGE
Picture Line Up Generator Equipment
Hits: 552
PM
Phase Modulation, Poly-phase Matched
Hits: 559
PMR
Private Mobile Radio
Hits: 607
PMT
Program Map Table (multiplex) (part of SI)
Hits: 543
PN
Pseudo-random Number
Hits: 593
PNNI
Private Network to Network Interface
Hits: 558
POCSAG
Post Office Code Standardisation Advisory Group
Hits: 546
POF
Plastic Optical Fibre
Hits: 533
PON
Passive Optical Network
Hits: 606
POP
Proof Of Performance / Point of Presence
Hits: 590
POS
Programmable Option Select
Hits: 574
POTS
Plain Old Telephone Service
Hits: 586
PPM
Pulse Position Modulation
Hits: 585
PPP
Point - to - Point Protocol
Hits: 616
PPV
Pay Per View
Hits: 571
PQFP
Plastic Quad Flatpack
Hits: 615
PRA
Primary Rate Access ( 2Mb/s - ISDN )
Hits: 588
PRBS
Pseudo Random Binary Sequence; Pseudo Random Bit Sequence
Hits: 550
PRF
Pulse Repetition Frequency
Hits: 611
PRI
Primary Rate Interface
Hits: 547
PROM
Programmable Read Only Memory
Hits: 534
PSD
Power Spectral Density; Programmable System Device
Hits: 594
PSDN
Packet Switched Data Network
Hits: 608
PSI
Program Specific Information (part of SI)
Hits: 570
PSK
Phase Shift Keying
Hits: 569
PSS
Packet Switched System/ Service
Hits: 598
PSTN
Public Switched Telephone Network
Hits: 659
PSTS
Profile Specific Test Specification
Hits: 543
PSU
Power Supply Unit
Hits: 604
PT
Packet Terminal
Hits: 567
PTL
PASS Transistor Logic
Hits: 536
PTM
Pulse Time Modulation
Hits: 606
PTS
Presentation Time Stamp
Hits: 625
PTT
Postal, Telephone and Telegraph
Hits: 580
PTX
Packet Transfer Exchange
Hits: 517
PVC
Permanent Virtual Connection
Hits: 536
PVR
Personal Video Recorder
Hits: 574
PWA
Printed Wiring Assembly
Hits: 572
PWB
Printed Wiring Board
Hits: 545
PWM
Pulse-Width Modulation
Hits: 596
PWR
Power
Hits: 592

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