Glossary

Search for glossary terms (regular expression allowed)
Term Main definition
D/A
Data Acquisition
Hits - 886
DAB
Digital Audio Broadcasting
Hits - 868
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits - 815
DAC
Digital to Analogue Convertor
Hits - 824
DALS
Dedicated Line Access
Hits - 789
DAMA
Demand Assigned Multiple Access
Hits - 840
DAPSK
Differential Amplitude Phase Shift Keying
Hits - 838
DASS
Digital Access Signalling Standard
Hits - 830
DAT
Digital Audio Tape
Hits - 824
DATV
Direct Antenna Television
Hits - 801
DAVC
Digital Audio Video Council
Hits - 833
DAVIC
Digital Audio Video Council
Hits - 831
dB
Decibel
Hits - 797
dBc
Decibel relative to Carrier
Hits - 834
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits - 853
dBi
Decibel relative to isotropic source
Hits - 774
dBK
Decibel relative to 1 deg K
Hits - 809
dBm
Decibel Milliwatt
Hits - 790
dBm0
Decibel relative to 1mW at point of zero reference level
Hits - 1027
dBm0p
as dBm0 but psophometrically weighted
Hits - 791
dBm0ps
as dBm0p but weighted for audio transmission
Hits - 838
dBmV
decibels relative to 1mV
Hits - 785
DBPSK
Differential Binary Phase-Shift Keying
Hits - 878
DBPT
Deutsche Bundespost Telecom
Hits - 808
DBS
Direct Broadcast Satellite
Hits - 832
dBuV
decibels relative to 1uV
Hits - 793
dBV
decibels relative to 1V
Hits - 773
dBW
Decibel Watt
Hits - 756
DC
Direct Current; Direct Coupler
Hits - 797
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits - 820
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits - 834
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits - 777
DCM
Direct Connect Module
Hits - 841
DCN
Data Communications Network
Hits - 798
DCP
Data Communications Processor
Hits - 782
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits - 779
DCT
Discrete Cosine Transform
Hits - 778
DD
Dolby Digital
Hits - 861
DDC
Digital Down Converter
Hits - 783
DDCMP
Digital Data Communications Message Protocol
Hits - 841
DDD
Direct long- Distance Dialling
Hits - 828
DDJ
Data Dependent Jitter
Hits - 765
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits - 800
DE
Discard Eligible
Hits - 832
DEA
Digital Encryption Algorithm
Hits - 759
DECT
Digital Enhanced Cordless Telecommunications
Hits - 762
DES
Data Encryption Standard
Hits - 836
DFB
Distributed Feedback
Hits - 845
DFM
Design For Manufactureability
Hits - 808
DFR
Digital Fault Recorder
Hits - 797
DFSK
Differential Phase Shift Keying
Hits - 797
DFT
Design For Test: Discrete Fourier Transform
Hits - 717
DHCP
Dynamic Host Configuration Protocol
Hits - 783
DIA
Data Interface Adapter
Hits - 741
DID
Direct Inward Dialing
Hits - 736
DIN
Deutsche Industrie Normen
Hits - 772
DisEqC
Digital Satellite Equipment Control
Hits - 681
DIU
Data Interface Unit
Hits - 799
DLC
Digital Loop Carrier: Data Link Control
Hits - 701
DLIC
Data Link Connection Identifier
Hits - 785
DLSw
Data Link Switching
Hits - 694
DM
Delta Modulation
Hits - 777
DMA
Direct Memory Access
Hits - 690
DMB
Digital Multimedia Broadcasting
Hits - 679
DMM
Digital MultiMeter
Hits - 729
DMS
Digital Multiplex Systems
Hits - 702
DMT
Design Maturity Testing; Discrete Multitone
Hits - 679
DNIC
Digital Network Interface Circuit
Hits - 709
DNS
Domain Name System ( Internet )
Hits - 718
DOC
Department of Communications
Hits - 724
DOCSIS
Data Over Cable Service Interface Specification
Hits - 757
DOPSK
Differential Offset Phase Shift Keying
Hits - 823
DOS
Disc Operating System
Hits - 696
DP
Dial Pulsing
Hits - 724
DPAK
Power Transistor Surface Mount Package
Hits - 652
DPCM
Differential Pulse Code Modulation
Hits - 679
DPDT
Double-Pole, Double-Throw ( switch )
Hits - 670
DPM
Digital Processor Module
Hits - 722
DPM2
Digital Processor Module 2
Hits - 702
DPN
Data Packet Network
Hits - 798
DPO
Dial Pulse Originate
Hits - 782
DPSK
Differential Phase Shift Keying
Hits - 688
DPT
Dial Pulse Terminate
Hits - 766
DQPSK
Differential Quadrature Phase Shift Keying
Hits - 678
DR.
Dynamic Range
Hits - 688
DRAGA
Dual Rate Adaption Gate Array
Hits - 706
DRAM
Dynamic Random Access Memory
Hits - 716
DRC
Dynamic Range Control
Hits - 670
DRM
Digital Radio Mondiale
Hits - 781
DS
Digital Signal
Hits - 788
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits - 709
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits - 750
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits - 679
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits - 718
DS/CDMA
Direct Sequence CDMA
Hits - 758
DS/PPM
Direct Sequence Pulse Position Modulation
Hits - 708
DS0
Digital Service level 0
Hits - 733
DSB
Double Sideband Modulation
Hits - 706
DSBSC
Double Sideband Suppressed Carrier
Hits - 699
DSD
Direct Stream Digital
Hits - 689

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