Glossary

Search for glossary terms (regular expression allowed)
Term Main definition
D/A
Data Acquisition
Hits - 944
DAB
Digital Audio Broadcasting
Hits - 920
DAB+
Digital Audio Broadcasting plus (upgrade to the DAB standard using HE-AAC v2 audio coding)
Hits - 869
DAC
Digital to Analogue Convertor
Hits - 880
DALS
Dedicated Line Access
Hits - 839
DAMA
Demand Assigned Multiple Access
Hits - 898
DAPSK
Differential Amplitude Phase Shift Keying
Hits - 888
DASS
Digital Access Signalling Standard
Hits - 889
DAT
Digital Audio Tape
Hits - 877
DATV
Direct Antenna Television
Hits - 855
DAVC
Digital Audio Video Council
Hits - 887
DAVIC
Digital Audio Video Council
Hits - 900
dB
Decibel
Hits - 851
dBc
Decibel relative to Carrier
Hits - 889
dBc/Hz
Decibel relative to Carrier in one Hz bandwidth (Phase noise)
Hits - 912
dBi
Decibel relative to isotropic source
Hits - 835
dBK
Decibel relative to 1 deg K
Hits - 858
dBm
Decibel Milliwatt
Hits - 849
dBm0
Decibel relative to 1mW at point of zero reference level
Hits - 1084
dBm0p
as dBm0 but psophometrically weighted
Hits - 837
dBm0ps
as dBm0p but weighted for audio transmission
Hits - 957
dBmV
decibels relative to 1mV
Hits - 836
DBPSK
Differential Binary Phase-Shift Keying
Hits - 933
DBPT
Deutsche Bundespost Telecom
Hits - 860
DBS
Direct Broadcast Satellite
Hits - 884
dBuV
decibels relative to 1uV
Hits - 856
dBV
decibels relative to 1V
Hits - 829
dBW
Decibel Watt
Hits - 809
DC
Direct Current; Direct Coupler
Hits - 844
DCC
Direct Card Connect, Digital Compact Cassettes; Data Communications Channel
Hits - 872
DCD
Data Carrier Detect; Duty Cycle Distortion
Hits - 887
DCE
Data Communications Equipment: Data Circuit terminating Equipment
Hits - 825
DCM
Direct Connect Module
Hits - 890
DCN
Data Communications Network
Hits - 844
DCP
Data Communications Processor
Hits - 836
DCS
Diagnostic and Control System, Digital Cross-connect System
Hits - 831
DCT
Discrete Cosine Transform
Hits - 827
DD
Dolby Digital
Hits - 908
DDC
Digital Down Converter
Hits - 834
DDCMP
Digital Data Communications Message Protocol
Hits - 887
DDD
Direct long- Distance Dialling
Hits - 879
DDJ
Data Dependent Jitter
Hits - 822
DDS
Direct Digital Synthesis, Dataphone Digital Service: Digital Data Service
Hits - 848
DE
Discard Eligible
Hits - 882
DEA
Digital Encryption Algorithm
Hits - 815
DECT
Digital Enhanced Cordless Telecommunications
Hits - 813
DES
Data Encryption Standard
Hits - 887
DFB
Distributed Feedback
Hits - 890
DFM
Design For Manufactureability
Hits - 862
DFR
Digital Fault Recorder
Hits - 852
DFSK
Differential Phase Shift Keying
Hits - 850
DFT
Design For Test: Discrete Fourier Transform
Hits - 770
DHCP
Dynamic Host Configuration Protocol
Hits - 820
DIA
Data Interface Adapter
Hits - 778
DID
Direct Inward Dialing
Hits - 772
DIN
Deutsche Industrie Normen
Hits - 809
DisEqC
Digital Satellite Equipment Control
Hits - 715
DIU
Data Interface Unit
Hits - 835
DLC
Digital Loop Carrier: Data Link Control
Hits - 737
DLIC
Data Link Connection Identifier
Hits - 826
DLSw
Data Link Switching
Hits - 731
DM
Delta Modulation
Hits - 811
DMA
Direct Memory Access
Hits - 732
DMB
Digital Multimedia Broadcasting
Hits - 718
DMM
Digital MultiMeter
Hits - 769
DMS
Digital Multiplex Systems
Hits - 740
DMT
Design Maturity Testing; Discrete Multitone
Hits - 717
DNIC
Digital Network Interface Circuit
Hits - 745
DNS
Domain Name System ( Internet )
Hits - 756
DOC
Department of Communications
Hits - 761
DOCSIS
Data Over Cable Service Interface Specification
Hits - 809
DOPSK
Differential Offset Phase Shift Keying
Hits - 870
DOS
Disc Operating System
Hits - 733
DP
Dial Pulsing
Hits - 759
DPAK
Power Transistor Surface Mount Package
Hits - 686
DPCM
Differential Pulse Code Modulation
Hits - 716
DPDT
Double-Pole, Double-Throw ( switch )
Hits - 705
DPM
Digital Processor Module
Hits - 762
DPM2
Digital Processor Module 2
Hits - 739
DPN
Data Packet Network
Hits - 835
DPO
Dial Pulse Originate
Hits - 831
DPSK
Differential Phase Shift Keying
Hits - 724
DPT
Dial Pulse Terminate
Hits - 806
DQPSK
Differential Quadrature Phase Shift Keying
Hits - 717
DR.
Dynamic Range
Hits - 728
DRAGA
Dual Rate Adaption Gate Array
Hits - 746
DRAM
Dynamic Random Access Memory
Hits - 758
DRC
Dynamic Range Control
Hits - 707
DRM
Digital Radio Mondiale
Hits - 824
DS
Digital Signal
Hits - 826
DS-0
Digital Signal Level 0 (64Kbps), Usually single voice channel
Hits - 745
DS-1
Digital Signal Level 1 (1.554 Mbps) 24 voice or other data services
Hits - 786
DS-3
Digital Signal Level 3 (45 Mbps) 28 DS-1 circuits
Hits - 715
DS-SSMA
Direct Sequence-Spread Spectrum Multiple Access
Hits - 763
DS/CDMA
Direct Sequence CDMA
Hits - 796
DS/PPM
Direct Sequence Pulse Position Modulation
Hits - 748
DS0
Digital Service level 0
Hits - 771
DSB
Double Sideband Modulation
Hits - 742
DSBSC
Double Sideband Suppressed Carrier
Hits - 737
DSD
Direct Stream Digital
Hits - 728

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