A
- a-Si
- AAC
- AAC-LC
- AAS
- Abgeschlossene Leitung
- Abgestrahlte Störungen
- Abilene
- Absorber Lined Chamber
- Absorberhalle
- Absorbing clamp
- Absorptions-Messwandlerzange
- Abtast- und Haltekreis
- Abtasttheorem
- ABV
- Abwärtsregler
- AC
- Accellera
- ACF
- ACK
- Acknowledgment
- ACLR
- ACPR
- Active Energy Control
- Active Matrix LCD
- Active-Clamp-Mode
- Adaptive Frequency Hopping
- Adaptive Voltage Scaling
- ADB
- ADC
- Add/Drop-Multiplexer
- Additive White Gaussian Noise
- Adjacent Channel Leaking Ratio
- Adjacent Channel Power Ratio
- ADSL
- Advanced Audio Coding
- Advanced Encryption Standard
- Advanced Mezzanine Card
- Advanced Switching Interconnect
- AdvancedTCA
- AEC
- AES
- AESAS
- AF
- AFC
- AFH
- AGC
- AHB-Bus
- Aktive Energiesteuerung von Blitzstromableitern
- aktive ORing-Schaltung
- Aktor
- ALC
- ALDIS
- Aliasing
- AlInGaP
- Alternating Current
- ALU
- AM
- AMA
- AMBA
- Ambient Intelligence
- AMC
- AmI
- AMLCD
- AMN
- Amplified Spontaneous Emission
- Amplitude Modulation
- Amplitude Probability Distribution
- Amplitudenmodulation
- Analog Digital Converter
- AND
- Anechoic Chamber
- ANL
- Anlage
- ANRS
- Anschlussstelle
- ANSI
- Antenna Calibration Factor
- Antenna Cross Polarisation Response
- Antenna Directivity
- Antenna Factor
- Antenna Factor Frequency Interpolation
- Antenna Phase Centre
- Anti-Aliasing
- Anwendungsspezifische Standardprodukte
- AOI
- APD
- APD
- APD
- Apertur
- Aperture
- API
- APOXI
- Apparat
- Apple Desktop Bus
- Application Programming Interface
- Application Specific Instruction Set Processor
- Application Specific Integrated Circuit
- Application Specific Standard Product
- Applikationsspezifischer IC
- AR
- ARPU
- Arrayed Waveguide Grating
- Arrester
- Artificial Mains Network
- Artificial Mains Network Impedance
- Artificial Mains Network Voltage Division Factor
- ASAM
- ASE
- ASI
- ASIC
- ASIP
- Assertion Based Verification
- Assertions
- Association for Standardization of Automation and Measurement Systems
- Assoziativspeicher
- ASSP
- Asymmetric Digital Subscriber Line
- Asynchronous Transfer Mode
- ATE
- ATEX
- ATM
- Atom
- ATPG
- Attenuation
- Attenuators
- Aufwärtsregler
- Augendiagramm
- Augmented Reality
- Aussendungsgrenzwert (einer Störquelle)
- Aussendungspegel (einer Störquelle)
- Austrian Lightning Detection & Information System
- Authentifizierung
- Automated Test Equipment
- Automated Test Pattern Generator
- Automatic Gain Control
- Automatic Noise Reduction System
- Automatische Testmustergenerator
- Automatische Testsysteme
- Automotive Open System Architecture
- AUTOSAR
