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Swamped Amplifier

Swamped Amplifier     Fig. 1 shows the circuit of a swamped amplifier. Note that d.c. emitter resistance R E is divide into two parts viz. ...

Engineer Simple

Input Impedance of CE Amplifier

Input Impedance of CE Amplifier     When one CE amplifier is being used to drive another, the input impedance of the second amplifier will s...

Engineer Simple

Voltage Gain of Common Emitter Amplifier

Voltage gain of common emitter amplifier     The voltage gain (A v ) of an amplifier is equal to a.c. output voltage (v out ) divided by a....

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A.C. Emitter Resistance

A.C. Emitter Resistance     A.C. Emitter Resistance-The ac or dynamic resistance of emitter-base junction diode of a transistor is called ac...

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Load Line Analysis

Load Line Analysis     The output characteristics are determined experimentally and indicate the relation between V CE and I C . However, t...

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How Transistor Amplifies

How Transistor Amplifies     How Transistor Amplifies -Fig-1 shows a single stage transistor amplifier. When a weak a.c. signal is given to ...

Engineer Simple