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In a common emitter transistor the primary purpose of a resistor connected to the emitter is to?
The emitter resistor in a common emitter configuration provides negative feedback to the transistor, reducing both its voltage gain and distortion.
Why the output resistance of common emitter configuration is low in comparison to common base configuration to?
The output resistance of a common emitter configuration is low compared to that of a common base configuration primarily due to the transistor's internal characteristics and the way they are biased. In the common emitter configuration, the output is taken from the collector, which is affected by the load and the transistor's current gain (beta), leading to a lower output resistance. Conversely, in the common base configuration, the output is taken from the emitter, and the transistor provides a higher output resistance due to the lack of current amplification in that configuration. Thus, the common base setup exhibits greater output resistance because it does not allow for the same degree of voltage and current control as the common emitter does.
What are the three basic transistor connection configuration modes?
The three basic transistor connection configuration modes are common emitter, common base, and common collector. In the common emitter configuration, the emitter terminal is common to both the input and output circuits, providing high voltage gain. The common base configuration has the base terminal common to both circuits, offering high frequency response but low voltage gain. Finally, the common collector configuration, also known as an emitter follower, provides current gain and high input impedance while maintaining unity voltage gain.
What are the classification of amplifiers according to transistor configuration?
common emitter using fixed bias
Which of the transistor configuration is prefer?
It depends on what you want to do with the transistor. Class A, common emitter, is used for voltage amplification. Class C, common collector, is used for current amplification. There are other classes and configurations but, again, it depends on what you want to do.
In a common emitter transistor the primary purpose of a resistor connected to the emitter is to?
The emitter resistor in a common emitter configuration provides negative feedback to the transistor, reducing both its voltage gain and distortion.
Which transistor configuration has the highest input impedance?
Common Emitter Configuration has maximum impedance.
What configuration commonly employed in bipolar transistor amplifier?
Common Emitter - Class A Amplifier.
What are the three basic transistor connection configuration modes?
The three basic transistor connection configuration modes are common emitter, common base, and common collector. In the common emitter configuration, the emitter terminal is common to both the input and output circuits, providing high voltage gain. The common base configuration has the base terminal common to both circuits, offering high frequency response but low voltage gain. Finally, the common collector configuration, also known as an emitter follower, provides current gain and high input impedance while maintaining unity voltage gain.
What if base current is zero in a transistor used as an amplifier with common emitter configuration?
output current is zero
What are the classification of amplifiers according to transistor configuration?
common emitter using fixed bias
Which transistor configuration is mostly used?
common emitter configuration is use for amplification purpose while common collector is use as buffer as its op is same as ip..
Why you add a positive voltage to the ac signal to allow a transistor to amplify ac signal?
It depends on how you bias the transistor. If you ground the emitter, which is very common, you will need to offset the input signal so you can amplify the full voltage swing.
Why common emitter configuration is mostly used for transistor as switch?
because in ce configuration value of input voltage requried to make the transistor on is very less value of the output voltage or output current
Which transistor configuration has the highest voltage gain?
Common Emitter(CE) Configuration possess largest voltage gain among the three(CE CB CC).
Why base in grounded in common emitter transistor as amplifier?
With a common emitter amplifier it's the emitter that is usually grounded.
What do you mean by common emitter configuration and biasing pnp transistors?
A common emitter BJT transistor has the emitter ground. So u measure input voltage at base with respect to the ground, i.e; emitter and also u measure the output voltage at collector with respect to the ground, i.e; emitter. Hence, the emitter is common and thus the name.
