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miller effect in bjt


The feedback connection of between base and collector
causes it to appear to the amplifier like a large capacitor
has been inserted between the base and emitter terminals. This
phenomenon is called the ?Miller effect? and the capacitive multiplier
?1 ? K ? acting on equals the common emitter amplifier mid-band
gain, i.e. .
Common base and common collector amplifiers do not suffer
from the Miller effect, since in these amplifiers, one side of
is connected directly to ground.

more details:

miller-effect-lecture-notes.pdf

Miller-effect-FrequencyResponse.pdf

Miller capacitance

>Miller effect

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