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Abbreviations used in Electronics - A

A (amp) - Ampere

AC - Alternating current

AC/DC - Alternating current or Direct current

A/D - Analog to digital

ADC - Analog-to-digital converter

AF - Audio frequency

AFT - Automatic fine tuning

AFC - Automatic frequency control

AFC - Automatic flow controller, used in controlling the flow of gasses under pressure into a vacuum system

AGC - Automatic gain control

Ah - Ampere hour

Ai - Current gain

AM - Amplitude modulation

AM/FM - Amplitude modulation or Frequency modulation

AMM - Analog multimeter

antilog - Antilogarithm

Ap - Power gain

apc - Automatic phase control

Av - Voltage gain

AVC - Automatic volume control

AWG - American wire gauge

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