Index of Electronics Articles - A

A

Absolute gain (physics) – Acceptance pattern – Access control – Access time – Acoustic coupler – Adaptive communications – Adder – Adjacent-channel interference – Alarm sensor – Aliasing – Allied Radio – Alternate party – Alternating current – AM radio – Amateur radio – Ambient noise level – American Radio Relay League (ARRL) – Ammeter – Ampere – Amplifier – Amplitude distortion – Amplitude modulation – Analog computer – Analog decoding – Analog – Analog to digital converter – Analogue switch – Analysis of resistive circuits – Angular misalignment loss – Antenna – Antenna aperture – Antenna blind cone – Antenna gain – Antenna height above average terrain – Antenna noise temperature – Antenna theory – Aperiodic antenna – Aperture (antenna) – Aperture illumination – Aperture-to-medium coupling loss – Apollo Guidance Computer – Arithmetic and logical unit – Armstrong oscillator – ARRL – Articulation score – Astable – Asymmetric Digital Subscriber Line – Asynchronous communications system – Asynchronous operation – Asynchronous start-stop – Atmospheric duct – Atmospheric waveguide – Attenuation – Audible ringing tone – Audio system measurements – Audiophile – Automatic call distributor – Automatic data processing – Automatic gain control – Automatic link establishment – Automatic number identification – Automatic sounding – Automatic switching system – Autovon – Availability – Available line – Avalanche diode – Azimuth