A
AC
Alternating Current.
AC Power
Supply
Power supply that delivers an AC voltage.
A/D Conversion
Analog-To-Digital Conversion.
The process of changing an analog signal
into a digital value.
Alternating
Current
Electric current that rises to a maximum in one direction, falls back to zero,
and then rises to a maximum in the opposite direction and then repeats.
Ammeter
Instrument for measuring the current in amps, milliamps or microamps.
Ampere
Also referred to as an Amp. The unit of electrical current (represented by
the symbol “A”).
Amplitude
The highest value reached by voltage, current or power during a complete
cycle.
Analog
System in which data is represented as a continuously varying voltage.
Also spelled
Analogue
.
ANSI
American National Standards Institute.
ASCII
American Standard Code for Information Interchange
. Standardized
method of encoding alphanumeric characters into 7 or 8 binary bits.
Apparent Power
Power attained in an AC circuit as a product of effective voltage and
current (which reach their peak at different times).
Astable
Circuit that does not have a stable state and as a result oscillates at a
frequency dependent upon component values.
AWG
American Wire Gauge.
A system that assigns a number value to the
diameter of a wire.
B
Base
One terminal of a transistor that is usually the input lead. It separates the
XBL Series 404078 Rev P2.odt Page 141 Of 162