: Refers to the coldest theoretical temperature (–273.15˚C or –459.67˚F),
at which the energy of molecular motion is zero.
Active:
One of the BJT’s three possible states. This one is a predetermined state facil-
itated by biasing it halfway (the Q-point), between saturation and cutoff, as used as an
AC amplifier.
A/D or ADC
: Abbreviation of analog-to-digital converter, a device that converts an
analog level to a digital equivalent.
Alpha (αα
αα
):
A figure of merit, and a measure of the current gain between the emitter
and collector of a BJT, in the common-base configuration.
Ambient temperature:
The current ...
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