A common base amplifier produces an output current change of 4 mA with an input current of 2 µA. The output voltage changes with 6 V by means of 2 V input voltage.
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Calculate the following:
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4.3.1 hib
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4.3.2 hrb
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Step 1:
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The input current is 2 µA.
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The output current is 4 mA.
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The input voltage is 2 V.
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The output voltage is 6 V.
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Find ou

and

in common base configuration.
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Draw the common base configuration.
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Observe the figure.
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Input current is

.
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Output current is

.
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Input voltage is

.
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Output voltage is

.
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Relation between

,

and

is

.
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Step 2:
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Formula for
is
.
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Formula for
is
.
\

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Therefore the values are
and
.
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.
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A common base amplifier produces an output current change of 4 mA with an input current of 2 µA. The output voltage changes with 6 V by means of 2 V input voltage.
\
Calculate the following:
\
4.3.1 hib
\
4.3.2 hrb
\
\
\
Step 1:
\
The input current is 2 µA.
\
The output current is 4 mA.
\
The input voltage is 2 V.
\
The output voltage is 6 V.
\
Find ou

and

in common base configuration.
\
Draw the common base configuration.
\
\
Observe the figure.
\
Input current is

.
\
\
Output current is

.
\
Input voltage is

.
\
Output voltage is

.
\
Formula for
is
.
\

\
Formula for
is
.
\

\
Therefore the values are
and
.
\
.
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