Which BJT configuration is most suitable for voltage amplifier?

The most commonly used circuit configuration is the common emitter - this is used for many amplifier stages providing voltage gain. The emitter follower or common collector is also widely used.

Which is the most commonly used BJT configuration for amplifier?

Common emitter configuration:

The emitter is common to both the input and the output circuit. Both current and voltage gain can be described as medium. This provides good overall performance and as such, it is often the most widely used configuration.

Which configuration is best suitable for amplification?

⦁ CE is most widely used because it provides the voltage gain required for most of the day to day applications of preamp and power amps.

Which BJT configuration is most suitable for voltage amplification Mcq?

Emitter follower: The Emitter-follower circuit is also known as a common collector configuration. It is called the emitter follower configuration because the emitter voltage follows the base voltage. It is mostly used as a voltage buffer.

Which BJT amplifier has maximum voltage gain Mcq?

A Common Emitter based BJT amplifier has maximum gain compared to other BJT amplifiers configuration.

Bipolar Junction Transistors - Common Emitter Amplifier

What is NPN bipolar junction transistor?

NPN transistors are a type of bipolar transistor with three layers that are used for signal amplification. It is a device that is controlled by the current. A negative-positive-negative transistor is denoted by the abbreviation NPN.

Why CE configuration is preferred for amplification in BJT?

Thus CE configuration is best for amplification because of its high power gain (due to its both high voltage and current gain) and hence most widely used.

Which configuration of BJT is mostly used and why?

Detailed Solution. The most commonly used transistor configuration for use as a switching device is the Common-emitter configuration.

Which transistor configuration has highest voltage gain?

the power gain is highest in Common emitter: This transistor configuration is probably the most widely used.

What is the best transistor for amplifier?

Why CE configuration is preferred in amplifiers?

Common emitter circuit is preferred over a common base circuit in amplifiers because the resistance of the common emitter circuit is much less than that of the common base circuit. Also the power gain in the common emitter circuit is much higher than that in a common base circuit.

Which configuration in BJT has the best frequency response?

An NPN transistor has a better frequency response than the PNP transistor because the mobility of electron is more and capacitive effect is less. 3.

How BJT can be used as an amplifier?

Bipolar junction transistors (Also known as BJTs) can be used as an amplifier, filter, rectifier, oscillator, or even a switch, which we cover as an example in the first section. The transistor will operate as an amplifier or other linear circuit if the transistor is biased into the linear region.

Which of the following is a BJT configuration?

The BJT transistors have mainly three types of configurations. They are common-emitter, common-base and common-collector configurations. Among all these three configurations common-emitter configuration is mostly used type. These three have different characteristics corresponding to both input and output signals.

How CE configuration is better than CC and CB?

CE amplifier has a high input impedance and lower output impedance than CB amplifier. The voltage gain and power gain are also high in CE amplifier and hence this is mostly used in Audio amplifiers.

What is BJT amplifier?

What is BJT? BJT (bipolar junction transistor) are widely used an amplifier, oscillator, switch etc. It is a current-driven device (MOSFET is voltage driven), the output current is equal to the input current times a factor which is called Gain. A basic BJT has three pins: the Base, Collector, and Emitter.

Why NPN transistor is mostly used?

The flowing of these electrons from emitter to collector forms the current flow in the transistor. Generally the NPN transistor is the most used type of bipolar transistors because the mobility of electrons is higher than the mobility of holes.

When an NPN transistor is used as an amplifier?

When NPN transistor is used as an amplifier, majority charge carrier electrons of N-type emitter move from emitter to base and then base to collector.

In which region BJT is used as amplifier?

In the active region, the transistor works as a linear element because the Q point is chosen such that the performance is linear, and we don't see any harmonics in the output. The main application of the BJT is as an amplifier, and this is possible under small-signal conditions.

Which transistor is used in amplifier?

In most of the electronic circuits, we use commonly NPN transistor configuration which is known as NPN transistor amplifier circuit. Let us consider a voltage divider biasing circuit which is commonly known as a single stage transistor amplifier circuit.

Why common base configuration is not preferred to be used as amplifier?

The common base configuration is less common as an amplifier than compared to the more popular common emitter, (CE) or common collector, (CC) configurations but is still used due to its unique input/output characteristics.

In which configuration a transistor will provide good power amplification?

The transistor provides good power amplification when they are used in common emitter configuration.

Which is better amplifier BJT or MOSFET?

The input impedance of MOSFET is very high like the megohms range whereas the BJT's input impedance ranges within the kiloohms. Therefore, MOSFET making is extremely perfect for amplifier based circuits. As compared with BJTs, MOSFETs have less noise. Here noise can be defined as the random intrusion within a signal.

Which type of transistor is most commonly used?

There are many types of transistors, but the most commonly used transistors are Field-Effect Transistors and Bipolar Junction Transistors.

Which transistor configuration is most commonly used as a voltage buffer?

Right Answer is: B

Common Collector CC is used as a voltage buffer. CC configuration is also called a Voltage follower or emitter follower circuit. Similarly, The current gain of Common Base configuration (CB) is unity hence it can be used as a current buffer.