What is voltage follower?

What is voltage follower?
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1 Answer

Answer :

 A circuit in which output folloes the input is called voltage follower. 
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Related questions

What is meant by voltage follower?

Description : What is meant by voltage follower?

Last Answer : If the output voltage of an op-amp follows the input i.e., if the output voltage is equal to the input voltage it is called as a voltage follower.

Identify type of BJT configuration having following features : (i) BJT configuration having the least current gain. (ii) KIT configuration called as voltage follower. (iii) BJT configuration having current gain less than one. (iv) BJT configuration suitable for impedance matching. (v) BIT configuration suitable for voltage amplification. (vi) BJT configuration having the least output impedance.

Description : Identify type of BJT configuration having following features : (i) BJT configuration having the least current gain. (ii) KIT configuration called as voltage follower. (iii) BJT ... configuration suitable for voltage amplification. (vi) BJT configuration having the least output impedance.  

Last Answer : (i) BJT configuration having the least current gain : Common Base Configuration  (ii) KIT configuration called as voltage follower: Common Collector Configuration  (iii) BJT ... Emitter Configuration  (vi) BJT configuration having the least output impedance: Common Collector Configuration

An Op-amp as a voltage follower has a voltage gain of

Description : An Op-amp as a voltage follower has a voltage gain of

Last Answer : An Op-amp as a voltage follower has a voltage gain of Unity

In life in general do you consider yourself a leader or a follower ?

Description : In life in general do you consider yourself a leader or a follower ?

Last Answer : answer:I seem to be seen as a leader, as I'm continuously placed in leadership roles. I have a strong personality with lots of reasoned opinions. Additionally, I'm pretty organized and efficient. ... and offer leadership opportunities to everyone on the team. I have no interest in being a follower.

Were you born a leader or are you a follower?

Description : Were you born a leader or are you a follower?

Last Answer : I am a born leader, much to my chagrin. Even when I try not to be in a leadership position, I usually end up in one.

Are you more of a leader, follower, or bystander?

Description : Are you more of a leader, follower, or bystander?

Last Answer : None of the above. I’m more a go-it-aloner. I don’t have the motivational skill to lead, I hate following others, and I get bored/frustrated just being a bystander. I much prefer to be left alone to get things done on my own.

How would you know if your follower in twitter is a spam?

Description : How would you know if your follower in twitter is a spam?

Last Answer : what is twitter?

If for power transmission a gear train consisting of 8 gears is used, then a.the motion of driver and follower will be in the same direction b.the motion of driver and follower will be in the opposite directions c.either of (A) or (B) above d.None of the above e.107 dynes

Description : If for power transmission a gear train consisting of 8 gears is used, then a.the motion of driver and follower will be in the same direction b.the motion of driver and follower will be in the opposite directions c.either of (A) or (B) above d.None of the above e.107 dynes

Last Answer : b. the motion of driver and follower will be in the opposite directions

If for power transmission a gear train consisting of 11 gears is used, then a.the motion of driver and follower will be in the same direction b.The motion of driver and follower will be in the opposite direction c.either of (A) or (B) above d.None of the above e.107 dynes

Description : If for power transmission a gear train consisting of 11 gears is used, then a.the motion of driver and follower will be in the same direction b.The motion of driver and follower will be in the opposite direction c.either of (A) or (B) above d.None of the above e.107 dynes

Last Answer : a. the motion of driver and follower will be in the same direction

Which king was an ardent follower of Jainism? -Do You Know?

Description : Which king was an ardent follower of Jainism? -Do You Know?

Last Answer : answer:

How to get auto follower on Instagram ?

Description : How to get auto follower on Instagram ?

Last Answer : Instagram auto follower can be taken from the following website and app. Site 1 Site 2 Auto Follower App

Who wrote the follower ?

Last Answer : Written by Anugamini Balaichand Mukherjee.

On Facebook Follower Increases How ?

Last Answer : Facebook Of Follower To increase Friend request for acceptance Do No. Then That's it Will increase And If you do Will decrease

What automation do you use to increase your follower number in Instagram?

Description : What automation do you use to increase your follower number in Instagram?

Last Answer : You can use Architect. It can make you a very good ads in all social media. Ads will do a lot of helping to grow your business. Architect does not only create and set ads, it also a ... thoroughly all the social media sites and gather all the links of information about the audience of your choice.

Tom Cruise is an outspoken follower of which religion?

Description : Tom Cruise is an outspoken follower of which religion?

Last Answer : Answer: Scientology

Who Gandhian follower was a teacher by profession?

Description : Who Gandhian follower was a teacher by profession?

Last Answer : J. B. Kriplani

Which king was an ardent follower of Jainism?

Description : Which king was an ardent follower of Jainism?

Last Answer : Kharavela

Pick up the correct statement from the following: (A) With both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from knots (B) The follower of the chaining operation should be more experienced than the leader (C) At the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader (D) All the above

Description : Pick up the correct statement from the following: (A) With both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from ... the two chain men meet and the ten arrows are handed over to the leader (D) All the above

Last Answer : (D) All the above

Which of the following combinations has no phase inversion of the signal? A) Two CE stages B) CE and CC stages C) Three CE stages D) CE stage and emitter follower.

Description : Which of the following combinations has no phase inversion of the signal? A) Two CE stages B) CE and CC stages C) Three CE stages D) CE stage and emitter follower.

Last Answer : A) Two CE stages

Companies that focus their efforts on a narrow range of products or select group of consumers are adopting a -------------- position. A)market challenger B)market follower C)market leader D)market nicher

Description : Companies that focus their efforts on a narrow range of products or select group of consumers are adopting a -------------- position. A)market challenger B)market follower C)market leader D)market nicher

Last Answer : D)market nicher

In Hindi language the term Anusandhan refers to Options: A) Follower of an aim B) Preying of an aim C) Attain the aim D) Become goal-oriented

Description : In Hindi language the term Anusandhan refers to Options: A) Follower of an aim B) Preying of an aim C) Attain the aim D) Become goal-oriented

Last Answer : A) Follower of an aim

Write the classification of follower (i) As per shape (ii) As per motion. Draw sketch of any one follower.

Description : Write the classification of follower (i) As per shape (ii) As per motion. Draw sketch of any one follower.

Last Answer : Classification of follower: i) As per shape: Knife-edge follower: When the contacting end of the follower has a sharp knife edge, it is called a knife edge follower. ... converted into predetermined oscillatory motion of the follower, it is called oscillating or rotating follower.

Explain with neat sketch method of drawing displacement diagram for SHM of follower.

Description : Explain with neat sketch method of drawing displacement diagram for SHM of follower. 

Last Answer : The displacement diagram is drawn as follows for SHM of follower : 1. Draw a semi-circle on the follower stroke as diameter. 2. Divide the semi-circle into any number of even equal ... number of equal parts. 4. The displacement diagram is obtained by projecting the points as shown in Figure

State the reason of using roller follower over kinfe edge follower.

Description : State the reason of using roller follower over kinfe edge follower.

Last Answer : 1) Roller follower has less wear and tear than knife edge follower. 2) Power required for driving the cam is less due to less frictional force between cam and follower.

Draw basic ‘cam-follower’ diagram showing its terminology (Minimum four terms)

Description : Draw basic ‘cam-follower’ diagram showing its terminology (Minimum four terms)

Last Answer : Basic Cam Follower Profile:

Draw the following displacement diagram for follower: (i) SHM (ii) Uniform acceleration and deceleration

Description : Draw the following displacement diagram for follower: (i) SHM (ii) Uniform acceleration and deceleration

Last Answer : Displacement Diagram for Simple Harmonic Motion (SHM): Displacement Diagram for Uniform Acceleration and Deceleration:

List any four applications of ‘cam’ and ‘follower’.

Description : List any four applications of ‘cam’ and ‘follower’.

Last Answer : Applications of Cam and Follower: [1] Operating the inlet and exhaust valves of internal combustion engines [2] Used in Automatic attachment of machineries, paper cutting machines [3] Used in Spinning ... control mechanism [7] Used in wall clock [8] Used in feed mechanism of automatic lathe.

Emitter follower is used for (a) reducing the gain (b) increasing the distortion (c) impedance matching (d) none of these

Description : Emitter follower is used for (a) reducing the gain (b) increasing the distortion (c) impedance matching (d) none of these 

Last Answer : (c) impedance matching

The current gain of emitter follower is:

Description : The current gain of emitter follower is: A) less than one B) more than one C) zero D) unpredictable

Last Answer : The current gain of emitter follower is: more than one 

An emitter follower circuit is widely used in electronic instruments because

Description : An emitter follower circuit is widely used in electronic instruments because  (A) Its voltage gain is less than unity  (B) its output impedance is high and input impedance is low  (C) its output impedance is low and input impedance is high  (D) none of the above

Last Answer : Don't no happy be

What is an emitter follower BJT circuit ?

Description : What is an emitter follower BJT circuit ? (A) Common Collector Amplifier (B) Common Emitter Amplifier (C) Common Base Amplifier (D) None of the above

Last Answer : What is an emitter follower BJT circuit ? (A) Common Collector Amplifier (B) Common Emitter Amplifier (C) Common Base Amplifier (D) None of the above

Cable attenuation is usually expressed in terms of a. Loss per foot b. dB/km c. intensity per mile d. voltage drop per inch

Description : Cable attenuation is usually expressed in terms of a. Loss per foot b. dB/km c. intensity per mile d. voltage drop per inch

Last Answer : b. dB/km

Photodiodes used as fiber optic directors are a. Unbiased to generate a voltage same as a solar cell b. Forward bias c. Reversed bias d. Thermoelectrically cooled

Description : Photodiodes used as fiber optic directors are a. Unbiased to generate a voltage same as a solar cell b. Forward bias c. Reversed bias d. Thermoelectrically cooled

Last Answer : c. Reversed bias

For a shortened vertical antenna, where should a loading coil be placed to minimize losses and produce the most effective performance? A. As low as possible on the vertical radiator B. Near the center of the vertical radiator C. As close to the transmitter as possible D. At a voltage node

Description : For a shortened vertical antenna, where should a loading coil be placed to minimize losses and produce the most effective performance? A. As low as possible on the vertical radiator B. Near the center of the vertical radiator C. As close to the transmitter as possible D. At a voltage node

Last Answer : B. Near the center of the vertical radiator

Where are the voltage nodes in a half-wave antenna? A. At the ends B. Three-quarters of the way from the feed point toward the end C. One-half of the way from the feed point toward the end D. At the feed point

Description : Where are the voltage nodes in a half-wave antenna? A. At the ends B. Three-quarters of the way from the feed point toward the end C. One-half of the way from the feed point toward the end D. At the feed point

Last Answer : D. At the feed point

A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, what is the antenna current at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A

Description : A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, ... at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A

Last Answer : D. 2.0 A

___________ is device that measures the internal open circuit voltage of an equivalent noise generator having an impedance of 600Ω and delivering noise power to a 600 Ω load. A. Psophometer B. Barometer C. Reflectometer D. Voltmeter

Description : ___________ is device that measures the internal open circuit voltage of an equivalent noise generator having an impedance of 600Ω and delivering noise power to a 600 Ω load. A. Psophometer B. Barometer C. Reflectometer D. Voltmeter

Last Answer : A. Psophometer

The square of the thermal noise voltage generated by a resistor is proportional to A. its resistance B. its temperature C. the bandwidth over which it is measured D. All of the above

Description : The square of the thermal noise voltage generated by a resistor is proportional to A. its resistance B. its temperature C. the bandwidth over which it is measured D. All of the above

Last Answer : D. All of the above

What is the noise voltage across a 300Ω input resistance to a TV set with a 6MHz bandwidth and temperature of 30˚C? A. 2.3 µV B. 3.8µV C. 5.5µV D. 5.4µV

Description : What is the noise voltage across a 300Ω input resistance to a TV set with a 6MHz bandwidth and temperature of 30˚C? A. 2.3 µV B. 3.8µV C. 5.5µV D. 5.4µV

Last Answer : C. 5.5µV

One of the following is not a useful quantity for comparing the noise performance receivers. A. Input noise voltage B. Equivalent noise resistance C. Noise temperature D. Noise figure.

Description : One of the following is not a useful quantity for comparing the noise performance receivers. A. Input noise voltage B. Equivalent noise resistance C. Noise temperature D. Noise figure.

Last Answer : A. Input noise voltage

The first stage of a two-stage amplifier has a voltage gain of 10, a 600 Ω input resistor, a 1600Ω equivalent noise resistance and 27kΩ output resistor. For the second stage, these values are 25, 81kΩ, 19kΩ, and 1MΩ, respectively. Calculate the equivalent input-noise resistance of this two stage amplifier. A. 2,518 kΩ B. 2,518 Ω C. 251.8 Ω D. 12,518 Ω

Description : The first stage of a two-stage amplifier has a voltage gain of 10, a 600 Ω input resistor, a 1600Ω equivalent noise resistance and 27kΩ output resistor. For the second stage, these values are 25, 81kΩ, 19kΩ, and 1MΩ, ... this two stage amplifier. A. 2,518 kΩ B. 2,518 Ω C. 251.8 Ω D. 12,518 Ω

Last Answer : B. 2,518 Ω

An amplifier operating over the frequency range of 455 to 460 kHz has a 200 kΩ input resistor. What is the RMS noise voltage at the input to this amplifier if the ambient temperature is 17˚C ? A. 40 µV B. 4.0 µV C. 400 µV

Description : An amplifier operating over the frequency range of 455 to 460 kHz has a 200 kΩ input resistor. What is the RMS noise voltage at the input to this amplifier if the ambient temperature is 17˚C ? A. 40 µV B. 4.0 µV C. 400 µV

Last Answer : B. 4.0 µV

Indicate the false statement. A. HF mixer are generally noisier than HF amplifiers. B. Impulse noise voltage is dependent on bandwidth C. Thermal noise is independent of the frequency at which is measured. D. Industrial noise is usually of the impulse type.

Description : Indicate the false statement. A. HF mixer are generally noisier than HF amplifiers. B. Impulse noise voltage is dependent on bandwidth C. Thermal noise is independent of the frequency at which is measured. D. Industrial noise is usually of the impulse type.

Last Answer : B. Impulse noise voltage is dependent on bandwidth

Indicate the false statement A. The noise generated in a resistance or the resistive component of any impedance is random. B. Random noise power is proportional to the bandwidth over which is measured C. A random voltage across the resistor does not exist D. All formula referring to random noise are applicable only to the value of such noise.

Description : Indicate the false statement A. The noise generated in a resistance or the resistive component of any impedance is random. B. Random noise power is proportional to the bandwidth over which is measured ... exist D. All formula referring to random noise are applicable only to the value of such noise.

Last Answer : C. A random voltage across the resistor does not exist

Which of the following is not a source of industrial noise? A. Automobile ignition B. Sun C. Electric Motors D. Leakage from high voltage line

Description : Which of the following is not a source of industrial noise? A. Automobile ignition B. Sun C. Electric Motors D. Leakage from high voltage line

Last Answer : B. Sun

At 17˚ C, the noise voltage generated by 5kΩ resistor, operating over a bandwidth of 20KHz is A. 1.3 nV B. 1.3 µV C. 1.3 pV D. 1.3 mV

Description : At 17˚ C, the noise voltage generated by 5kΩ resistor, operating over a bandwidth of 20KHz is A. 1.3 nV B. 1.3 µV C. 1.3 pV D. 1.3 mV

Last Answer : B. 1.3 µV

What optical source radiates light uniformly in all directions? A. Isotropic source B. Lambertian source C. Voltage source D. Ideal source

Description : What optical source radiates light uniformly in all directions? A. Isotropic source B. Lambertian source C. Voltage source D. Ideal source

Last Answer : B. Lambertian source

An RG-11/U foam coaxial cable has a maximum voltage standing wave of 52 V and a minimum voltage of 17 V. Find the value of the resistive load. A. 24.59Ω B. Either A or C C. 228.75Ω D. Neither A nor C

Description : An RG-11/U foam coaxial cable has a maximum voltage standing wave of 52 V and a minimum voltage of 17 V. Find the value of the resistive load. A. 24.59Ω B. Either A or C C. 228.75Ω D. Neither A nor C

Last Answer : B. Either A or C

What satellite subsystem monitors onboard conditions such as temperature and battery voltage and transmits this data back to a ground station for analysis? A. Communications subsystem B. AKM C. TTC D. Transponder

Description : What satellite subsystem monitors onboard conditions such as temperature and battery voltage and transmits this data back to a ground station for analysis? A. Communications subsystem B. AKM C. TTC D. Transponder

Last Answer : C. TTC

How do you eliminate radio frequency variation of an oscillator transmitter caused by its supply voltage? A. Use new power supply B. Lossen power supply shielding C. Use of regulated power supply D. Use of high capacitor in the supply circuit

Description : How do you eliminate radio frequency variation of an oscillator transmitter caused by its supply voltage? A. Use new power supply B. Lossen power supply shielding C. Use of regulated power supply D. Use of high capacitor in the supply circuit

Last Answer : C. Use of regulated power supply