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Answered 2007-09-03 14:36:22

It is a non-linear device.

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Is base emitter circuit and common base amplifier same?

No the base emitter circuit is not the same as a common base circuit. The three BJT circuits all have the base emitter circuit. Wheter each terminal is common to both inputs and outputs of the circuit determines the type of transistor configuration.Henry Lee Everson PE;229-560-9769


What is common emitter circuit?

It is where an amplifier made with transistors, have the emitters common to the negative rail. (NPN silicon).No. The common emitter amplifier is so named because the emitter is common to both the input and the output.i.e. the input is between emitter and base, and the output is between emitter and collector.


How do you draw thevinin equivalent circuit of common emitter amplifier?

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What are the effects of an unbypassed emitter resistor?

An emitter resistor in a common emitter circuit will cause the stage to experience the effects of degenerative feedback if it is unbypassed. The degenerative feedback reduces gain. This is probably the primary effect in the described circuit.


Why a capacitor is used for amplification in common emitter circuit?

A: The ratio of emitter/collector resistance is the gain. by adding a capacitor on the emitter the AC parameters will shift as a function of frequency


Capacitor from emitter to ground in common emitter circuit is called?

The capacitor is called a bypass capacitor , it provides a low impedence path for AC emitter current to groun.


What is the difference between a CB amplifier and CE and emitter-follower?

I think you mean a common emitter amplifier, which is an amplifier of voltage. Emitter-follower or common collector amplifiers are used to match impedances, or to amplify power or current. The emitter-follower is a type of common emitter circuit that has a resistor between the emitter and ground. The output signal is taken from the point between the emitter and its resistor.


What is effect of an unbypassed resistor on the common emitter amplifier circuit?

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Why use a npn transistor in a common emitter bjt single stage amplifier circuit?

You can use an npn or a pnp bjt in a common emitter amplifier circuit. The decision of which one to use is based on whether you want the collector and base to be more positive (npn) or more negative (pnp) than the emitter.


What is Common Emitter Amplifier with emitter bypass capacitor?

The amplifier gain characteristics will change due too the bypass of AC signal to ground by the capacitor


What is the difference between common base emitter transistor and common base transistor?

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Why bypass capacitor is used in common emitter ampifier circuit?

If a bypass capacitor is used the voltage drop across emitter resistance is reduced which in turn increases the gain.....


Why would there be a gain when you add the emitter capacitor to a circuit board?

A capacitor has lower resistance (impedance) as frequency increases. Adding an emitter capacitor effectively lowers the emitter resistance as frequency increases. Since gain in a typical common emitter amplifier is collector resitance divided by emitter resistance, this decrease in emitter resistance will increase gain as frequency increases.


Why base in grounded in common emitter transistor as amplifier?

With a common emitter amplifier it's the emitter that is usually grounded.


What are the characteristics of a common emitter amplifier?

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Why the output of common base in phase or common emitter out of phase?

The output of a common emitter stage is inverted, it is not out of phase.


What is single tuned voltage amplifier?

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In a common emitter transistor the primary purpose of a resistor connected to the emitter is to?

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Why emitter follower is used in circuits?

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Frequency response of common emitter with self bias?

Frequency responce of common emitter with self bias?


What do you mean by common emitter configuration and biasing pnp transistors?

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What is the inputoutput phase relationship of common emitter common base and emitter follower amplifiers?

Common emitter is the only transistor configuration that has an 180 degree phase difference between input and output. Common base and common collector outputs are in phase with the input.***********************************That is incorrect.The output of the common emitter is inverted, there is no phase shift.


Why output of common emitter amplifier is inverted?

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What is the advantage of common emitter transistor?

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What disadvantage does ao common-drain amplifier have compared to a common-emitter amplifier?

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