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Principles of Analog Electronics
book

Principles of Analog Electronics

by Giovanni Saggio
January 2014
Intermediate to advanced content levelIntermediate to advanced
567 pages
23h 13m
English
CRC Press
Content preview from Principles of Analog Electronics
Semiconductor Components
293
8.6.4 Cutoff Mode
The emitter-base junction is not forward biased if
≤≅
γ
VV V0.7
BE
. In particular
both junctions are reverse-biased (or no biased at all), both I
E
and I
C
currents
are in the order of the reverse saturation current and, for the most part of applica-
tions, can be neglected.
In such conditions, the BJT behaves approximately as an open-circuit (Section
6.1.1 in Chapter 6).
Given an npn−type BJT, when the emitter-base junction is not forward biased,
namely reverse biased or no biased at all, and the base-collector junction is reverse
biased, the BJT is said to work in cutoff mode.
8.6.5 Saturation Mode
With ...
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Publisher Resources

ISBN: 9781466582026