In an IF amplifier, the IF transformer is provided with tapping to

Question

In an IF amplifier, the IF transformer is provided with tapping to

In an IF amplifier, the IF transformer is provided with tapping to

(a) increase the voltage gain (b) increase the bandwidth of the resonance circuit (c) increase the impedance offered by the resonance circuit to the following cascaded amplifier (d) increase the quality factor of the resonance circuit

asked May 15, 2018 by anonymous

1 Answer

Related questions

The main function of the transformer used in the output of a power amplifier is

Description : The main function of the transformer used in the output of a power amplifier is (A) To step up the voltage (B) to increase the voltage gain (C) to safeguard the transistor against overheating (D) to match the load impedance with dynamic output resistance of the transistor

Last Answer : The main function of the transformer used in the output of a power amplifier is to match the load impedance with dynamic output resistance of the transistor

The unity gain bandwidth of an inverting amplifier is 10 MHz What would be the bandwidth if the gain is

Description : The unity gain bandwidth of an inverting amplifier is 10 MHz What would be the bandwidth if the gain is increased to 10 V/V? A) 100 MHz B) 1 MHz C) 10 MHz D) 1 kHz

Last Answer : The unity gain bandwidth of an inverting amplifier is 10 MHz What would be the bandwidth if the gain is increased to 10 V/V? A) 100 MHz B) 1 MHz C) 10 MHz D) 1 kHz

The ideal operational amplifier does not have:

Description : The ideal operational amplifier does not have: (1) Infinite input resistance (2) Infinite output resistance (3) Infinite voltage gain (4) Infinite bandwidth

Last Answer : The ideal operational amplifier does not have: Infinite output resistance

An amplifier without feedback has a voltage gain of 50, input resistance 1kΩ and output resistance of 2.5kΩ.

Description : An amplifier without feedback has a voltage gain of 50, input resistance 1kΩ and output resistance of 2.5kΩ. The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 would be: (1) 1/11 kΩ (2) 1/5 kΩ (3) 5 kΩ (4) 11 kΩ

Last Answer : An amplifier without feedback has a voltage gain of 50, input resistance 1kΩ and output resistance of 2.5kΩ. The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 would be: 1/11 kΩ

The gain of an FET amplifier can be changed by changing:

Description : The gain of an FET amplifier can be changed by changing: (1) rm (2) gm (3) Rd (4) None of these

Last Answer : The gain of an FET amplifier can be changed by changing: gm

If the feedback factor of an amplifier is 0.1 and its gain without feedback is 40, then its gain with feedback is

Description : If the feedback factor of an amplifier is 0.1 and its gain without feedback is 40, then its gain with feedback is (a) – 13.3 (b) 200 (c) 8 (d) 10

Last Answer : If the Feedback Factor of an amplifier is 0.1 and its gain without feedback is 40, then feedback is 40,then its gain with feedback is 8.

A low noise amplifier has an effective noise temperature of 50 k. The absolute noise figure is

Description : A low noise amplifier has an effective noise temperature of 50 k. The absolute noise figure is

Last Answer : A low noise amplifier has an effective noise temperature of 50 k. The absolute noise figure is 1.172

An amplifier operating over the frequency range from 18 to 20 MHz has 10 kilo ohm input resistor. What is

Description : An amplifier operating over the frequency range from 18 to 20 MHz has 10 kilo ohm input resistor. What is the r.m.s. noise voltage at the input to this amplifier if the ambient temperature is 27o C

Last Answer : An amplifier operating over the frequency range from 18 to 20 MHz has 10 kilo ohm input resistor. What is the r.m.s. noise voltage at the input to this amplifier if the ambient temperature is 27o C 18.2 microvolt

For a feedback amplifier, if the loop gain is much greater than unity, the closed loop gain will be equal to

Description : For a feedback amplifier, if the loop gain is much greater than unity, the closed loop gain will be equal to

Last Answer : For a feedback amplifier, if the loop gain is much greater than unity, the closed loop gain will be equal to inverse of feedback factor

For Cascode amplifier the output impedance becomes

Description : For Cascode amplifier the output impedance becomes

Last Answer : For Cascode amplifier the output impedance becomes very high

An amplifier without feedback has a gain of 1000. The gain with a negative feedback of 0.009 is

Description : An amplifier without feedback has a gain of 1000. The gain with a negative feedback of 0.009 is A) 10 B) 100 C) 125 D) 900

Last Answer : 100

An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V.

Description : An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V. The threshold differential voltage of the amplifier is A) 25 micro-volt B) 50 micro-volt C) 5 Volts D) 10 volts

Last Answer : An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V. The threshold differential voltage of the amplifier is 50 micro-volt

In a radio receiver the IF amplifier

Description : In a radio receiver the IF amplifier (A) is tuned above the stations incoming frequency (B) amplifies the output of local oscillator (C) is fixed tuned to one particular frequency (D) can be tuned to various isolate frequencies

Last Answer : In a radio receiver the IF amplifier is fixed tuned to one particular frequency

Class A amplifier is used when

Description : Class A amplifier is used when (A) No phase inversion is required (B) Highest voltage gain is required (C) dc voltages are to be amplified (D) Minimum distortion is desired.

Last Answer : Class A amplifier is used when Minimum distortion is desired.

Negative feedback amplifier has a signal corrupted by noise as its input. The amplifier will

Description : Negative feedback amplifier has a signal corrupted by noise as its input. The amplifier will (A) Amplify the noise as much as the signal (B) Reduce the noise (C) Increase the noise (D) Not effect the noise

Last Answer : Negative feedback amplifier has a signal corrupted by noise as its input. The amplifier will Reduce the noise

In a Klystron amplifier, the RF voltage produces

Description : In a Klystron amplifier, the RF voltage produces (a) amplitude modulation (b) frequency modulation (c) phase modulation (d) velocity modulation

Last Answer : In a Klystron amplifier, the RF voltage produces velocity modulation

In class - A power amplifier, the collector dissipation is maximum when

Description : In class - A power amplifier, the collector dissipation is maximum when (a) no signal is present (b) signal swing is maximum (c) signal swing is (1/1.414) of its maximum (d) none of the above

Last Answer : In class - A power amplifier, the collector dissipation is maximum when no signal is present

In Class ‘B’ amplifier, the output current flows for

Description : In Class ‘B’ amplifier, the output current flows for

Last Answer : In Class ‘B’ amplifier, the output current flows for half input cycle

The efficiency of a class B push-pull amplifier is

Description : The efficiency of a class B push-pull amplifier is

Last Answer : The efficiency of a class B push-pull amplifier is 75-80%

Which of the following amplifier has the least distortion.

Description : Which of the following amplifier has the least distortion. • Class E • Class D • Class C • Class A

Last Answer : Which of the following amplifier has the least distortion. • Class E • Class D • Class C • Class A

The battery operated pre-amplifier with a consumption of 10 Watts can work on battery of 12

Description : The battery operated pre-amplifier with a consumption of 10 Watts can work on battery of 12 volt, 100 AH having efficiency of 50% for • 120 hrs. • 60 hrs. • 100 hrs. • 10 hrs.

Last Answer : The battery operated pre-amplifier with a consumption of 10 Watts can work on battery of 12 volt, 100 AH having efficiency of 50% for 60 hrs.

In class-A amplifier conduction extends over 360° because the operating point.

Description : In class-A amplifier conduction extends over 360° because the operating point. 1. Located near saturation point 2. Located at or near cut-off point 3. Located on load line 4. Located in the centre of load line

Last Answer : In class-A amplifier conduction extends over 360° because the operating point. 1. Located near saturation point 2. Located at or near cut-off point 3. Located on load line 4. Located in the centre of load line

The voltage gain of a common base amplifier depends on

Description : The voltage gain of a common base amplifier depends on 1. Load resistor RL 2. input resistance of transistor 3. Ac alpha 4. All the above

Last Answer : The voltage gain of a common base amplifier depends on 1. Load resistor RL 2. input resistance of transistor 3. Ac alpha 4. All the above

Just as a voltage amplifier signal voltage a power amplifier.

Description : Just as a voltage amplifier signal voltage a power amplifier. 1.amplifier power 2.amplifier signal 3.converts the signal ac power into DC power 4.converts a dc power into useful AC power

Last Answer : Just as a voltage amplifier signal voltage a power amplifier. 1.amplifier power 2.amplifier signal 3.converts the signal ac power into DC power 4.converts a dc power into useful AC power

Harmonic distortion of the signal is produced in an RC coupled transistor amplifier. The probable

Description : Harmonic distortion of the signal is produced in an RC coupled transistor amplifier. The probable component responsible for this distortion is (A) The transistor itself (B) the power supply Vcc (C) the coupling capacitor Cc (D) the biasing resistors

Last Answer : Harmonic distortion of the signal is produced in an RC coupled transistor amplifier. The probable component responsible for this distortion is The transistor itself

The main component responsible for the fall of gain of an RC coupled amplifier in low frequency

Description : The main component responsible for the fall of gain of an RC coupled amplifier in low frequency range is (A) The active device itself (tube, or transistor) (B) stray shunt capacitance Cs (C) the grid leak resistance Rg (D) coupling capacitor Cc

Last Answer : The main component responsible for the fall of gain of an RC coupled amplifier in low frequency range is coupling capacitor Cc

Negative feedback in an amplifier is accompanied by

Description : Negative feedback in an amplifier is accompanied by (A) Gain less sensitive to component variations (B) Increase in gain (C) Decrease in bandwidth (D) None of the above

Last Answer : Negative feedback in an amplifier is accompanied by Gain less sensitive to component variations

What is the importance of negative feedback in the operational amplifier?

Description : What is the importance of negative feedback in the operational amplifier? (A) It maintains the gain (B) The voltage difference between the input terminals is maintained at a very small value ( ... value (D) The voltage difference between the input terminals is maintained at a very high value

Last Answer : The voltage difference between the input terminals is maintained at a very small value

The closed-loop voltage gain of an inverting amplifier equal to

Last Answer : The closed-loop voltage gain of an inverting amplifier equal to The feedback resistance divided by the input resistance.

Can someone help me find the gif online that has an unusual breed of cat that comes up to a young girl sitting and gets her attention by tapping her right arm a few times?

Description : Can someone help me find the gif online that has an unusual breed of cat that comes up to a young girl sitting and gets her attention by tapping her right arm a few times?

Last Answer : The cat could be a Scottish Fold. Sorry, that’s all I got.

Is there such thing as clear plastic tapping screws?

Description : Is there such thing as clear plastic tapping screws?

Last Answer : I doubt that plastic is strong enough to make a tapping screw. It would have to be at least as strong as brass (which is a relatively soft metal).

I'm tapping the collective for creative gift ideas! What's a great generic family gift?

Description : I'm tapping the collective for creative gift ideas! What's a great generic family gift?

Last Answer : Panini grill

Does tapping a can actually reduce fizz?

Description : Does tapping a can actually reduce fizz?

Last Answer : I don’t see how agitating the can anymore would make it less likely to fizz over.

Does anyone else sometimes have a wreckless tapping problem?

Description : Does anyone else sometimes have a wreckless tapping problem?

Last Answer : Yes! All the time. I went through a particularly bad week where I was randomly calling people on accident.

Do you click by tapping the trackpad?

Description : Do you click by tapping the trackpad?

Last Answer : I do a bit of each. It just depends on what I’m doing. If I’m clicking and dragging I use the button, but if I’m just clicking I usually tap the trackpad.

Are we truly tapping the collective or just socializing?

Description : Are we truly tapping the collective or just socializing?

Last Answer : Uh, both?

CNC machining centres do not include operations like a.milling b.boring c.welding d.tapping

Description : CNC machining centres do not include operations like a.milling b.boring c.welding d.tapping

Last Answer : c.welding

What do you understand by the term ‘Tapping’ and with which crop this term is associated? -SST 10th

Description : What do you understand by the term ‘Tapping’ and with which crop this term is associated? -SST 10th

Last Answer : When the rubber plants mature into trees after 7 or 8 years they are tapped for rubber sap. ‘V’ shape cut is made in the bark of the tree and a pot is tied round the trunk just below the tip of the cut. It is known as tapping. This term is associated with production of natural rubber.

Tapping of rubber trees is usually done in the morning hours. -SST 10th

Description : Tapping of rubber trees is usually done in the morning hours. -SST 10th

Last Answer : Latex flows freely in the early morning and there is less chance of rain.

What is Tapping ?

Description : What is Tapping ?

Last Answer : : Tapping is the systematic wrapping of electrical wire joint space with insulating material or insulating tape.

What is Tapping ?

Description : What is Tapping ?

Last Answer : : Tapping is done with insulating material or insulating tape.

Why is tapping done ?

Description : Why is tapping done ?

Last Answer : Tapping is done at the junction to prevent short circuit accidents , prevent rust and enhance beauty.

Phone tapping

Description : Hello, I would like to hear the experience and information of others who have experience with listening to a mobile phone. What form can the interception be traced to ... Are there any warning ... seems to be partially interrupted and there is definitely a "sneer" that makes the call impossible. .

Last Answer : It may be caused by something else. You don't know eavesdropping

Tapping in the parking lot

Description : Hello, I backed off, and maybe lightly knocked on someone's cart behind the car, stood where he had and was not visible .. it's a pity, I climbed up and looked .... someone was sitting in that car ... didn't even say word, so I left. It's possible that the camera caught me. What is threatening me?

Last Answer : When you write - no harm, there is no danger. Still, I think you should have contacted the passenger and explained to him that you felt a slight impact, but after looking, you found no damage. ... of leaving the scene if nothing really happened. It's probably too late to deal with anything now.

Who offers tapping?

Description : When a man and a woman meet?

Last Answer : Perhaps this link will help: http: //zasady.cz/zasady-slusneho-chovani-tykani-a-vykani.php

What is ice tapping?

Description : What is ice tapping?

Last Answer : What is the answer ?

Vena-contracta pressure tapping is at a distance __________ from the position of an orificemeter fitted in a pipe of internal diameter 'd' (A) d (B) 0.5 d (C) 2d (D) 4d

Description : Vena-contracta pressure tapping is at a distance __________ from the position of an orificemeter fitted in a pipe of internal diameter 'd' (A) d (B) 0.5 d (C) 2d (D) 4d

Last Answer : (B) 0.5 d

Pick up the correct statement from the following: (A) Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer (B) Cupola furnace is used for the manufacture of cast iron (C) Red short iron is of no value for welding purpose (D) All the above

Description : Pick up the correct statement from the following: (A) Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer (B) Cupola furnace is used for the manufacture of cast iron (C) Red short iron is of no value for welding purpose (D) All the above

Last Answer : Answer: Option D

When a wave propagates on a transmission line, it suffers reflection several times at (a) tapping (b) load end (c) sending end (d) sending and other end (e) all of the above

Description : When a wave propagates on a transmission line, it suffers reflection several times at (a) tapping (b) load end (c) sending end (d) sending and other end (e) all of the above

Last Answer : (d) sending and other end

Which pin system has proven to be the most retentive A. Self tapping threaded pin B. Friction peak pin C. Cemented pin

Description : Which pin system has proven to be the most retentive A. Self tapping threaded pin B. Friction peak pin C. Cemented pin

Last Answer : A. Self tapping threaded pin

anonymous · Answer 1 · 2018-05-15T20:01:31+0000

In an IF amplifier, the IF transformer is provided with tapping to increase the voltage gain

In an IF amplifier, the IF transformer is provided with tapping to

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Answer :

Please log in or register to add a comment.

Related questions