For an amplifier, the coupling method which gives the highest gain is

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Answer :

For an amplifier, the coupling method which gives the highest gain is Transformer coupling.

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Related questions

Which amplifier will be preferred for highest gain?

Description : Which amplifier will be preferred for highest gain?  (1) Darlington pair (2) Cascade amplifier (3) Cascode amplifier (4) Depends on the circuitry

Last Answer : Cascode amplifier will be preferred for highest gain.

If current gain is required from an rf amplifier, what type of component should be used as an output coupling element?

Description : If current gain is required from an rf amplifier, what type of component should be used as an output coupling element?

Last Answer : A step-down transformer.

A differential amplifier has a differential gain of 28000 and CMRR is 60 dB. What will be the value of common

Description : A differential amplifier has a differential gain of 28000 and CMRR is 60 dB. What will be the value of common mode gain? A) Ac = 0.125 B) Ac = 0.33 C) Ac = 3 D) Ac = 28 

Last Answer : A differential amplifier has a differential gain of 28000 and CMRR is 60 dB. What will be the value of common mode gain? A) Ac = 0.125 B) Ac = 0.33 C) Ac = 3 D) Ac = 28 

The effect of a finite gain of an operational amplifier used in an integrator is that

Description : The effect of a finite gain of an operational amplifier used in an integrator is that (A) it would not integrate (B) the slope of the output will vary with time (C) the final value of the output voltage will reduce (D) there will be instability in the circuit

Last Answer : The effect of a finite gain of an operational amplifier used in an integrator is that there will be instability in the circuit

Which amplifier will be preferred for highest gain? A) Darlington's pair B) Cascade amplifier C) Cascode amplifier D) Depends on the circuitry

Description : Which amplifier will be preferred for highest gain? A) Darlington's pair B) Cascade amplifier C) Cascode amplifier D) Depends on the circuitry

Last Answer : C) Cascode amplifier

What is Amplifier Coupling ?

Description : What is Amplifier Coupling ?

Last Answer : Amplifier coupling is the process of connecting the output of one amplifier stage to the input of another amplifier stage to amplify the weak signal in phases. Couplings are used to gain more or less.

In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes more efficient at lower capacitance. C. the arrangement allows the coupling of the signal while it isolates the biasing of each stage. D. good frequency response.

Description : In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes ... of the signal while it isolates the biasing of each stage. D. good frequency response.

Last Answer : Answer: C

Which of the following methods cannot be used to increase the bandwidth for cascaded RF amplifier stages? A) Wave traps in each stage B) Stagger tuning C) A shunt damping resistor across each tuned circuit D) Doubled tuned transformers with tighter coupling

Description : Which of the following methods cannot be used to increase the bandwidth for cascaded RF amplifier stages? A) Wave traps in each stage B) Stagger tuning C) A shunt damping resistor across each tuned circuit D) Doubled tuned transformers with tighter coupling

Last Answer : A) Wave traps in each stage

In a resistance loaded, RC coupled amplifier the dc component is blocked by A) Load resistance RL B) Coupling capacitor, CC C) RB D) The transistor.

Description : In a resistance loaded, RC coupled amplifier the dc component is blocked by A) Load resistance RL B) Coupling capacitor, CC C) RB D) The transistor.

Last Answer : B) Coupling capacitor, CC

The Bandwidth of an RC-coupled amplifier is limited by: A) coupling capacitors at the low frequency end and bypass capacitors at the high frequency end B) coupling capacitors at the high frequency end and bypass capacitors at the low frequency end C) bypass and coupling capacitors at the low frequency end and shunt capacitors at the high frequency end and D) shunt capacitors at the low frequency end and bypass as well as coupling capacitors at the high frequency end.

Description : The Bandwidth of an RC-coupled amplifier is limited by: A) coupling capacitors at the low frequency end and bypass capacitors at the high frequency end B) coupling capacitors at the high frequency ... at the low frequency end and bypass as well as coupling capacitors at the high frequency end.

Last Answer : C) bypass and coupling capacitors at the low frequency end and shunt capacitors at the high frequency end and

What is the most common form of coupling for an rf amplifier?

Description : What is the most common form of coupling for an rf amplifier?

Last Answer : Transformer coupling.

What type coupling would be most useful for an audio amplifier between the first and second stages?

Description : What type coupling would be most useful for an audio amplifier between the first and second stages?

Last Answer : RC coupling.

What type coupling is usually used to couple the output from a power amplifier?

Description : What type coupling is usually used to couple the output from a power amplifier?

Last Answer : Transformer coupling.

What are four methods of coupling amplifier stages?

Description : What are four methods of coupling amplifier stages?

Last Answer : Direct, RC, impedance, and transformer coupling.

What is the purpose of an amplifier-coupling network?

Description : What is the purpose of an amplifier-coupling network?

Last Answer : To transfer energy (a signal) from one stage to another.

Draw the multistage amplifier circuit diagram using RC coupling. State its advantages.

Description : Draw the multistage amplifier circuit diagram using RC coupling. State its advantages.

Last Answer : Advantages: 1. It has a wide frequency response. 2. For coupling the resistor and the capacitor are used and which are not expensive so the cost is low. 3. The circuit is very ... a wide frequency band. 5. It is high fidelity amplifier. 6. It provides less frequency distortion.

State the need and types of amplifier coupling.

Description : State the need and types of amplifier coupling. 

Last Answer : Need of amplifier coupling: 1.When ever large amplifier with very good impedance matching is required, a signal stage amplifier circuit will not able to amplify the signal to a large extent. 2 ... 2.Transformer coupled amplifier 3.Direct coupled amplifier 4. Inductance (LC) coupling

List the types of coupling used in BJT amplifier.

Description : List the types of coupling used in BJT amplifier. 

Last Answer : Types of coupling used in BJT amplifier: i. Resistance capacitance (RC)coupling ii. Impedance coupling iii. Transformer coupling iv. Direct coupling

Give the different types of amplifier coupling.

Description : Give the different types of amplifier coupling.

Last Answer : 1. Resistance – capacitance (RC) coupling.  2. Inductance (LC) coupling.  3. Transformer coupling (TC)  4. Direct coupling (D.C.)

Transformer coupling is used in class A amplifier to make it : -

Description : Transformer coupling is used in class A amplifier to make it : -  a) more efficient b) less bulky c) less costly d) distortion free

Last Answer : Transformer coupling is used in class A amplifier to make it : - more efficient

The purpose of a coupling capacitor in an amplifier is to:

Description : The purpose of a coupling capacitor in an amplifier is to:  (1) Control the output (2) Provide impedance matching (3) Provide DC isolation between amplifier and load (4) W Increase the bandwidth

Last Answer : The purpose of a coupling capacitor in an amplifier is to: Provide DC isolation between amplifier and load.

One advantage of transformer coupling in transistor amplifier is that:

Description : One advantage of transformer coupling in transistor amplifier is that:  (1) it provides excellent frequency response (2) It is simple and less expensive than others (3) Low power supply may be used (4) High efficiency and high power output is obtained.

Last Answer : One advantage of transformer coupling in transistor amplifier is that: High efficiency and high power output is obtained.

For highest power gain, what configuration is used:

Description : For highest power gain, what configuration is used: (1) CC (2) CE (3) CB (4) CS

Last Answer : For highest power gain, what configuration is used: (1) CC (2) CE (3) CB (4) CS

Which of the following device is used for coupling microwave energy?

Description : Which of the following device is used for coupling microwave energy?  A) Resonator B) Waveguide C) Loop D) Antenna

Last Answer : A

The coefficient of coupling between two coils is 0.45. The first coil has an inductance of 75 mH and the second...

Description : The coefficient of coupling between two coils is 0.45. The first coil has an inductance of 75 mH and the second coil has an inductance of 105 mH. What is the mutual inductance between the coils?  (1) 3.54 mH (2) 7.88 mH (3) 39.9 mH (4) 189.3 mH

Last Answer : The coefficient of coupling between two coils is 0.45. The first coil has an inductance of 75 mH and the second coil has an inductance of 105 mH. 39.9 mH is the mutual inductance between the coils.

R.C coupling is used for - - - amplification

Last Answer :  R.C coupling is used for Voltage amplification

The co-efficient of coupling of two coils depends on

Last Answer : The co-efficient of coupling of two coils depends on Physical location of the coils.

Transformer coupling introduces which type of distortion?

Description : Transformer coupling introduces which type of distortion?

Last Answer : Transformer coupling introduces Cross over distortion.

What is the efficiency of Class-B amplifier?

Description : What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

Last Answer : What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

Which one of the following is another name for common-collector amplifier?

Description : Which one of the following is another name for common-collector amplifier?  A) Source follower B) Collector follower C) Base follower D) Emitter follower

Last Answer : Which one of the following is another name for common-collector amplifier?  A) Source follower B) Collector follower C) Base follower D) Emitter follower

Positive feedback is used in 1. Amplifier 2. Rectifier 3.Oscillator 4. Detector

Description : Positive feedback is used in 1. Amplifier 2. Rectifier 3.Oscillator 4. Detector 

Last Answer : Positive feedback is used in 1. Amplifier 2. Rectifier 3.Oscillator 4. Detector 

A buffer amplifier is usually associated with

Description : A buffer amplifier is usually associated with (A) High input resistance (B) Low output resistance (C) Unity Voltage Gain (D) All Of the above

Last Answer : A buffer amplifier is usually associated with (A) High input resistance (B) Low output resistance (C) Unity Voltage Gain (D) All Of the above

In a klystron amplifier the input cavity is called:

Description : In a klystron amplifier the input cavity is called:  (1) Buncher (2) Catcher (3) Pierce gun (4) Collector

Last Answer : In a klystron amplifier the input cavity is called: Buncher.

Negative feedback in amplifier: ...

Description : Negative feedback in amplifier:  (1) Improves the SNR at input (2) Improve SNR at output (3) Reduces distortion (4) Decreases bandwidth

Last Answer : Negative feedback in amplifier: Reduces distortion.

For biomedical applications the mostly used amplifier is ...

Description : For biomedical applications the mostly used amplifier is  A) Single ended amplifier B) Differential amplifier  C) Inverting operational amplifier D) Chopper amplifier

Last Answer : Inverting opamp

The output stage of a practical amplifier is always - - - coupled

Last Answer : The output stage of a practical amplifier is always Transformer coupled

No. of 20 watts loud speakers permitted to connect an 250 watt amplifier are

Last Answer : No. of 20 watts loudspeakers permitted to connect an 250 watt amplifier are 12.

In a CB amplifier the maximum efficiency could be

Last Answer : In a CB amplifier the maximum efficiency could be 25%.

In deriving ac equivalent circuit for an amplifier circuit we short circuit

Last Answer : In deriving ac equivalent circuit for an amplifier circuit we short circuit all capacitors.

in which region BJT act as amplifier?

Last Answer : Active region of BJT act as amplifier.

What is operational amplifier?

Description : What is operational amplifier?

Last Answer : Operational amplifier is an amplifier which amplifies the input signal when we pass a low voltage signal .It has two terminals inverting and non inverting. It is an active device because it ... of negative feedback it provides the output waveform similar to the input waveform (truely amplified )

An operational amplifier, as used in today's consoles, has a calculated gain of 5. This means that when the input changes _____________. A. 5 volts, the output changes 10 volts B. 10 volts, the output changes 5 volts C. 2 volts, the output changes 10 volts D. 10 volts, the output changes 2 volts

Description : An operational amplifier, as used in today's consoles, has a calculated gain of 5. This means that when the input changes _____________. A. 5 volts, the output changes 10 volts B. 10 volts, the output changes 5 volts C. 2 volts, the output changes 10 volts D. 10 volts, the output changes 2 volts

Last Answer : Answer: C

When troubleshooting an amplifier, you measure an output of 30 volts. If the gain of the amplifier is 2, what must the input voltage be for the amplifier to work properly? A. 32 volts B. 30 volts C. 28 volts D. 15 volts

Description : When troubleshooting an amplifier, you measure an output of 30 volts. If the gain of the amplifier is 2, what must the input voltage be for the amplifier to work properly? A. 32 volts B. 30 volts C. 28 volts D. 15 volts

Last Answer : Answer: D

In the illustrated amplifier, the RESET potentiometer A1R2 sets the stability of the control loop by changing the reset time constant. As the potentiometer is turned clockwise _________. EL-0060 A. the gain is increased B. the stability is increased by slowing the response time C. feedback is increased to the summing point at terminal 5 D. response time is increased decreasing stability

Description : In the illustrated amplifier, the RESET potentiometer A1R2 sets the stability of the control loop by changing the reset time constant. As the potentiometer is turned clockwise _________. EL-0060 A. ... is increased to the summing point at terminal 5 D. response time is increased decreasing stability

Last Answer : Answer: B

An operational amplifier, as used in today's consoles, may have a calculated gain of 5. This means that as the input changes by ______________. A. 1 volt, the output changes 5 volts B. 5 volts, the output changes 1 volt C. 5 volts, the output changes 10 volts D. 10 volts, the output changes 5 volts

Description : An operational amplifier, as used in today's consoles, may have a calculated gain of 5. This means that as the input changes by ______________. A. 1 volt, the output changes 5 volts B. 5 volts, the output changes 1 volt C. 5 volts, the output changes 10 volts D. 10 volts, the output changes 5 volts

Last Answer : Answer: A

Basic operating characteristics of the operational amplifier such as gain and stability are the function of its _____________. A. differential input stage B. power output stage C. feedback circuit D. supply voltages

Description : Basic operating characteristics of the operational amplifier such as gain and stability are the function of its _____________. A. differential input stage B. power output stage C. feedback circuit D. supply voltages

Last Answer : Answer: C

The circuit shown in the illustration functions as a ____________. EL-0087 A. pulse trigger circuit for an operational amplifier B. three stage, high gain class 'A' amplifier C. binary ripple counter or shift register D. free running multivibrator

Description : The circuit shown in the illustration functions as a ____________. EL-0087 A. pulse trigger circuit for an operational amplifier B. three stage, high gain class 'A' amplifier C. binary ripple counter or shift register D. free running multivibrator

Last Answer : Answer: C

Calculate the noise figure of the receiver whose RF amplifier has an input resistance of 1000Ω and an equivalent shot-noise resistance of 2000Ω, a gain of 25 and load resistance of 125 kΩ. Given that the bandwidth is 1.0MHz and the temperature is 20˚C, and that the receiver is connected to an antenna with an impedance of 75Ω. A. 30.3 B. 3.03 C. 303 D. .303

Description : Calculate the noise figure of the receiver whose RF amplifier has an input resistance of 1000Ω and an equivalent shot-noise resistance of 2000Ω, a gain of 25 and load resistance of 125 kΩ. Given that the bandwidth is 1. ... to an antenna with an impedance of 75Ω. A. 30.3 B. 3.03 C. 303 D. .303

Last Answer : A. 30.3

The noise output of a resistor is amplified by a noiseless amplifier having a gain of 60 and a bandwidth of 20 kHz. A meter connected at the output of the amplifier reads 1mV RMS. If the bandwidth of the amplifier is reduced to 5kHz, its gain remaining constant, what does the meter read now? A. 0.5 mV B. 0.5 µV C. 5.0 mV D. 5.0 µV

Description : The noise output of a resistor is amplified by a noiseless amplifier having a gain of 60 and a bandwidth of 20 kHz. A meter connected at the output of the amplifier reads 1mV RMS. If the bandwidth of the amplifier is reduced to ... does the meter read now? A. 0.5 mV B. 0.5 µV C. 5.0 mV D. 5.0 µV

Last Answer : A. 0.5 mV