1 Answer

Answer :

Noise limiter is provided on AM receivers to reduce interfering noise due to ignition system, reduce noise due to electrical storms, reduce interference due to electrical machinery.

Related questions

Description : The most common device used for detection in radio receivers is   (A)amplifier (B) triode (C) diode (D) transistor

Last Answer : The most common device used for detection in radio receivers is diode 

Description : A particular circuit that rids FM of noise A. Detector B. Discriminator C. Phase Shifter D. Limiter

Last Answer : D. Limiter

Description : What particular circuit that rids FM of noise? A. HPF B. Phase shifter C. Limiter D. LPF

Last Answer : C. Limiter

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

Description : What is the reason why companding is employed in PCM systems? A. To overcome impulse noise in PCM receivers B. To allow amplitude limiting in the receivers C. To solve quantizing noise problem D. To protect small signals in PCM from quantizing distortion

Last Answer : D. To protect small signals in PCM from quantizing distortion

Description : ECE Board Exam March 1996 What is the purpose of the receiver's squelch circuit? A. To overcome fluctuations in the level the RF signal arriving at the receiver antenna B. To prevent ... signals D. To prevent amplified noise from reaching the loudspeaker during the absence of an incoming signal

Last Answer : D. To prevent amplified noise from reaching the loudspeaker during the absence of an incoming signal

Description : ECE Board Exam March 1996 A receiver connected to an antenna whose resistance is 50 ohms has an equivalent noise resistance of 30 ohms. What is the receiver’s noise temperature? A. 754 K B. 464 K C. 174 K D. 293 K

Last Answer : C. 174 K

Description : As the thermal noise get doubled due to the increase in a resistance the noise power get.  (A) doubled (B) quadruped (C) unchanged (D) halved.

Last Answer : As the thermal noise get doubled due to the increase in a resistance the noise power get. unchanged 

Description : Noise is primarily a variation in (A) Amplitude (B) phase (C) frequency (D) none of the above

Last Answer : Noise is primarily a variation in Amplitude

Last Answer : In order to reduce quantizing noise, one must Increase the number of standard amplitudes.

Description : does iPhone have an audio limiter on its board that could possibly be overclocked with a program tweak?

Last Answer : unlikely. it's easier and cheaper to limit volume in software, and so that's most likely what's going on. more likely, i think, is that the amplifier and speaker themselves are underpowered in ... keeping cost down and battery life long. i have been totally unimpressed with the volume of my iphone

Description : What is the function of phase limiter ?

Last Answer : A special part of the FM radio receiver is the limiter. If any type of amplitude modulation is present within the specified amplitude of the FM signal, it can be removed with the help of limiter by FM detection method. As a result, the operation of the FM discriminator is well accomplished.

Description : What is phase limiter ?

Last Answer : The phase limiter is a special part of the FM radio receiver , which limits the amplitude of the variable FM input signal.

Description : If a circuit breaker that utilizes built-in, current limiting fuses (CLF's) cannot be closed, the problem may be traced to __________. A. a blown CLF plunger holding the trip bar in the open position B. a missing CLF C. a misaligned limiter housing assembly D. all of the above

Last Answer : Answer: D

Description : After the IF stages have been aligned, the next stage to align in FM receiver is. A. local oscillator B. limiter stage C. RF amplifier D. mixer stage

Last Answer : A. local oscillator

Description : In an FM receiver, which circuit removes amplitude variations? A. Exciter B. Mixer C. Discriminator D. Limiter

Last Answer : D. Limiter

Description : What is purpose of Stator current limiter?  

Last Answer : It limits the stator current.

Description : What is purpose of Rotor current limiter?

Last Answer : It limits overloading of rotor.  

Description : What is purpose of Rotor angle limiter?

Last Answer : It limits generator voltage & rotor voltage.  

Description : What is purpose of Load angle limiter?  

Last Answer : Load angle limiter, it either limits the angle between grid load center and the rotor axis or generator terminal & rotor axis. 

Description : What is the condition of the diode in a series limiter when an output is developed? In a parallel limiter?

Last Answer : Conducting, cutoff.

Description : What component is in parallel with the output in a parallel limiter?

Last Answer : The diode.

Description : How can a series-positive limiter be modified to limit unwanted negative portions of the input signal?

Last Answer : Biasing.

Description : Which portion of a sine-wave input is retained in the output of a series-negative limiter?

Last Answer : Positive.

Description : Which portion of a sine-wave input is retained in the output of a series-positive limiter?

Last Answer : Negative.

Description : What condition must exist on both the limiter and quadrature grids for current to flow in a gated-beam detector?

Last Answer : Both grids must be positively biased

Description : Explain the working of amplitude limiter in FM receiver with circuit diagram.

Last Answer : Amplitude limiter: The function of amplitude limiter is to remove all amplitude variation of FM carrier voltage that may occur due to atmospheric disturbances. Use of amplitude limiter makes the system less noisy  Circuit Diagram:

Description : Draw block diagram of FM receiver and explain the use of limiter circuit.

Last Answer : Diagram Explanation Amplitude limiter: The function of amplitude limiter is to remove all amplitude variation of FM carrier voltage that may occur due to atmospheric disturbances. Use of amplitude limiter makes the system less noisy.

Description : Explain with a neat diagram of ratio detector. Why limiter stage is not used before ratio detector.

Last Answer : With diode D2 reversed , O is positive with respect to b, so that Vab is a sum voltage rather than the difference it was in the discriminator it is now possible to connect a large capacitor ... of limiter stage due to large capacitor C5 .Hence, limiter stage is not used in ratio detector.  

Description : Draw the circuit diagram of limiter and explain its working.

Last Answer : Circuit diagram of amplitude limiter:- Explanation:- 1. In frequency modulation, the signal amplitude is held constant while the carrier frequency is varied. 2. Any noise that contaminates ... V p-p instead of the alternately driven into saturation and cutoff, it limits the signal amplitude

Description : Indicate which one of the following is NOT an advantage of FM over AM? (1) Better noise immunity is provided (2) Lower bandwidth is required (3) The transmitted power is more useful (4) Less modulating power is required 

Last Answer : Indicate which one of the following is NOT an advantage of FM over AM? (1) Better noise immunity is provided (2) Lower bandwidth is required (3) The transmitted power is more useful (4) Less modulating power is required 

Description : In amplitude modulation AM, if modulation index is more than 100% then: (1) Power of the wave increases. (2) Efficiency of transmission increases. (3) The wave gets distorted. (4) Bandwidth increases

Last Answer : In amplitude modulation AM, if modulation index is more than 100% then: The wave gets distorted.

Last Answer : In AM the amplitude of carrier components remains constant, while in FM it does not remain constant.

Description : I would like to ask who repairs the receivers? My friend tells me that the computer, but can the computer also repair the computer when performing tasks?

Last Answer : He is definitely an experienced educator in repair. Computer b was able to fix the tests. However, if you need to design a solution, the computer will not be able to do it.

Description : What does the receivers attendant tell Jonas about the locks?

Last Answer : Need answer

Description : In the book the giver Why does Jonas not understand the Receiver's comparison involving a sled?

Last Answer : im trying to find this answer bbro

Description : What are the top rated stereo receivers?

Last Answer : sony is always in the top ten list but if you are looking for the top of the tops i would go for denon they are great.

Description : What are the best Pioneer car receivers?

Last Answer : The best Pioneer car receiver is the Pioneer Car DEHP5000ub cd

Description : What sort of channels are available on FTA(free to air) satellite receivers?

Last Answer : There are a variety of channels available to FTA satellite receivers, though most are foreign language or special interest in nature. There are some network feeds as well but they are going away rapidly.

Description : What receivers work with blue tooth and iPod?

Last Answer : The Yamaha RX V365 will work with both your newest blue tooth and your newest iPod devices.

Description : Where can I find cheap DVR receivers?

Last Answer : You can receive a low coast DVR receiver from your local cable or satelitte provider.

Description : Are Sony receivers a good value?

Last Answer : Yes, they are worth buying for. It has good features and quality for a reasonable price. Just be wise on selecting which type of Sony receiver to buy. Read some reviews and compare one the other based on your preference and purpose of use.

Description : What do information do I need to make an informed purchasing decision about Onkyo Receivers?

Last Answer : Onkyo makes higher end receivers, capable of multi-room discrete sound environments. There are a great number of models with significantly different capabilities. Cost of the receiver will depend greatly on ... entry level models, about $250. Pros and cons depend on your demand for the features.

Description : HD Receivers?

Last Answer : form_title=HD Receivers form_header=Watch TV with a clear picture. Get a HD Receiver and feel like you are actually at the game. Have you used HD service before?= () Yes () No Do you have any computers or game consoles attached ... () No How many HD receivers do you need?= {(),1,2,3,4,5,6,7,8,9,10}

Description : Where can I buy cheap tv satellite receivers in Los Angeles?

Last Answer : Look through your local providers and call and get some price quotes for your area, some offer specials and bundles that include phone and internet. You may also be able to do price matching if you found one thats cheaper but like another provider better.

Description : What is a freeview satellite receivers used for?

Last Answer : it is the antinna you put on the top of your house to recieve signal from the satellites up in space and watch all your favorite t.v. shows. you normaly have a reciever box in your home to control everything.

Description : Where can I find information on direct tv receivers?

Last Answer : You can find information about direct tv receivers on www.DirecTV.com or also in person at a store that sells televisions. You may also be able to call into Direct TV and ask them their questions.

Description : What are direct television receivers used for?

Last Answer : Direct Tv Receivers are used to access cable or satellite channels. Usually when you order satellite or cable the company gives you a receiver to use. You can pause, record and do other things on the receiver which tend to cost 5 to 10 dollars per month.

Description : How to Compare TV Satellite Receivers ?

Last Answer : TV satellite receivers are normally installed in your home at no cost to you once you subscribe to a specific satellite TV service. Satellite receivers are designed to receive a signal from a satellite ... or a Digital Video Recorder receiver.There are also other features for you to use to you