A communication receiver is

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Answer :

 A communication receiver is a superheterodyne receiver.

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Related questions

A radio receiver is placed at one corner of a table and again placed at some other corner of the same table.

Description : A radio receiver is placed at one corner of a table and again placed at some other corner of the same table. Loudspeaker output is changed because  (a) image interference is reduced (b) adjacent channel interference is increased (c) of fading (d) line of sight propagation is not utilized

Last Answer : A radio receiver is placed at one corner of a table and again placed at some other corner of the same table. Loudspeaker output is changed because of fading

The Ku frequency band used in satellite communication (for uplink and downlink) is:

Description : The Ku frequency band used in satellite communication (for uplink and downlink) is: (1) 14 GHz and 11 GHz (2) 30 GHz and 20 GHz (3) 70 GHz and 50 GHz (4) 60 GHz and 45 GHz 

Last Answer : The Ku frequency band used in satellite communication (for uplink and downlink) is: 14 GHz and 11 GHz 

The basic element of radio communication system which generates radio waves is

Description : The basic element of radio communication system which generates radio waves is  1. micro phone 2. transmitter 3.transmitting antenna 4. Loudspeaker 

Last Answer : The basic element of radio communication system which generates radio waves is transmitter 

Satellites used for international communication are called

Last Answer : Satellites used for international communication are called Intelsat.

In communication systems, the modulating signal is also called

Last Answer : In communication systems, the modulating signal is also called base band signal.

What is the purpose of the receiver in communication ? -Technology

Description : What is the purpose of the receiver in communication ? -Technology

Last Answer : In the communication process, the " receiver" is the listener, reader, or observer—that is, the individual (or the group of individuals) to whom a message is directed. The receiver is also called the "audience" or decoder.

What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators

Description : What is the device used in fiber optic communication which consist of a receiver transmitter use to clean up and amplify digital data moving in one direction and another in the opposite direction? A. Optic compressors B. Optic retarders C. Optic isolator D. Optic regenerators

Last Answer : D. Optic regenerators

Who is responsible in the correctness and accuracy of transmitted information content over a data communication? A. The channel B. The transmitter and receiver C. The modem D. The bridge

Description : Who is responsible in the correctness and accuracy of transmitted information content over a data communication? A. The channel B. The transmitter and receiver C. The modem D. The bridge

Last Answer : B. The transmitter and receiver

Main basic components of a data communication are composed of the following. A. Computer, modern and router B. Computer, bridge and gateway C. Transmitter, channel and receiver D. Transmitter, computer and modem

Description : Main basic components of a data communication are composed of the following. A. Computer, modern and router B. Computer, bridge and gateway C. Transmitter, channel and receiver D. Transmitter, computer and modem

Last Answer : C. Transmitter, channel and receiver

Who should take the most responsibility for clear and effective communication? A. The Communications Manager B. The sender and the receiver C. The sender D. The receiver

Description : Who should take the most responsibility for clear and effective communication?  A. The Communications Manager B. The sender and the receiver C. The sender D. The receiver

Last Answer : B. The sender and the receiver

Communication management: 1. Is important only in projects involving telephone, television, radio, or newspaper production facilities and operations 2. Is not a big problem for people with normal speech, sight and hearing 3. Involves the originator, the message, the medium and the receiver 4. Preparing an agenda

Description : Communication management: 1. Is important only in projects involving telephone, television, radio, or newspaper production  facilities and operations  2. Is not a big problem for people with normal ... . Involves the originator, the message, the medium and the receiver  4. Preparing an agenda

Last Answer : 3. Involves the originator, the message, the medium and the receiver

In the communication process, the receiver and sender are classified as A. communication functions B. communication parties C. communication tools D. communication channels

Description : In the communication process, the receiver and sender are classified as A. communication functions B. communication parties C. communication tools D. communication channels

Last Answer : B. communication parties

What are the basic elements of communication? (a) Sender and receiver (b) Message and channel of communication (c) Response and feedback (d) All of the above

Description : What are the basic elements of communication? (a) Sender and receiver (b) Message and channel of communication (c) Response and feedback (d) All of the above

Last Answer : (d) All of the above

Communication will be effective if: (a) It is delivered slowly and clearly (b) It is delivered in a calm situation (c) It reaches the receiver completely (d) It reaches the receiver as intended by the sender

Description : Communication will be effective if: (a) It is delivered slowly and clearly (b) It is delivered in a calm situation (c) It reaches the receiver completely (d) It reaches the receiver as intended by the sender

Last Answer : d) It reaches the receiver as intended by the sender

In the Gillette advertisement that claims "Gillette, the best a man can get," Gillette is the communication: A)receiver B)transmitter. C)decoder. D)source.

Description : In the Gillette advertisement that claims "Gillette, the best a man can get," Gillette is the communication: A)receiver B)transmitter. C)decoder. D)source.

Last Answer : D)source.

In the process of Communication, which one of the following is in the chronological order? (A) Communicator, Medium, Receiver, Effect, Message (B) Medium, Communicator, Message, Receiver, Effect (C) Communicator, Message, Medium, Receiver, Effect (D) Message, Communicator, Medium, Receiver, Effect

Description : In the process of Communication, which one of the following is in the chronological order? (A) Communicator, Medium, Receiver, Effect, Message (B) Medium, Communicator, Message, Receiver, Effect (C) Communicator, Message, Medium, Receiver, Effect (D) Message, Communicator, Medium, Receiver, Effect

Last Answer : (C) Communicator, Message, Medium, Receiver, Effect

In a broadcast communication receiver, most of the receiver selectivity is achieved in:

Description : In a broadcast communication receiver, most of the receiver selectivity is achieved in: (1) RF section (2) IF section (3) Mixer (4) Local oscillator 

Last Answer : In a broadcast communication receiver, most of the receiver selectivity is achieved in: RF section

State the need of signal conditioning and signal processing .List applications of instrumentation amplifier.

Description : State the need of signal conditioning and signal processing .List applications of instrumentation amplifier.

Last Answer : * In an instrumentation system, a transducer is used for sensing various parameters. The output of transducer is an electrical signal proportional to the physical quantity sensed such as pressure, ... monitoring and control 5) Light intensity meter 6) Measurement of flow and thermal conductivity

Which of the following statement is false? Modulation is used to:

Description : Which of the following statement is false? Modulation is used to: (1) Reduce the bandwidth used (2) Separate differing transmissions (3) Ensure that intelligence may be transmitted over long distances (4) Allow the use of practicable antennas

Last Answer : Which of the following statement is false? Modulation is used to: Reduce the bandwidth used

Indicate which one of the following is NOT an advantage of FM over AM?

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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 

Theoretical bandwidth requirement for FM system is:

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Last Answer : Theoretical bandwidth requirement for FM system is: Infinite

The disadvantage of CDMA system is:

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Last Answer : The disadvantage of CDMA system is: Higher MAI with more user count. 

Which of the following is an inherent property of an optical signal and cannot be eliminated even in principle?

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Last Answer : Which of the following is an inherent property of an optical signal and cannot be eliminated even in principle? (1) Thermal noise (2) Shot noise (3) Environmental noise (4) Background Noise

The use of non-uniform quantization leads to:

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Last Answer : The use of non-uniform quantization leads to:  Increase in SNR for signal levels.

In amplitude modulation AM, if modulation index is more than 100% then:

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

In the case of a 70–MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz:

Description : In the case of a 70–MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz: (1) 34 and 106 (2) 52 and 88 (3) 106 and 142 (4) 34 and 142

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Last Answer : In T1 digital system, the frame synchronization code repeats every 125 microsecond

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Description : In a PCM system the number of quantization level are 16 and the maximum signal frequency is 4 KHz the transmission bit rate is

Last Answer : In a PCM system the number of quantization level are 16 and the maximum signal frequency is 4 KHz the transmission bit rate is 32 Kbits/sec

Principle of Dopper effect is used in

Description : Principle of Doppler effect is used in

Last Answer : Principle of Doppler effect is used in MTI radar and CW Doppler radar

The capacity of a standard 4 KHz telephone channel with a 32 dB SNR is

Description : The capacity of a standard 4 KHz telephone channel with a 32 dB SNR is

Last Answer : The capacity of a standard 4 KHz telephone channel with a 32 dB SNR is 32953 bits/second

A radio transmitter is an equipment:

Description : A radio transmitter is an equipment:

Last Answer : A radio transmitter is an equipment:  for generating modulated radio frequency waves

As the thermal noise get doubled due to the increase in a resistance the noise power get.

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 

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Last Answer : A two cavity klystron tube is a velocity modulated tube

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Last Answer : Ionosphere layer of earth is situated at 70 to 500 km

Which wave cannot exist inside wave guide

Description : Which wave cannot exist inside wave guide  (A) TE (B) TM (C) TEM (D) HE

Last Answer : Which wave cannot exist inside wave guide TEM 

The frequency range 30MHz - 300MHz is

Description : The frequency range 30MHz - 300MHz is  (A) medium frequency (B) very high frequency (C) super high frequency (D) Infrared frequency

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

In commercial FM broadcasting, the maximum frequency deviation is normally

Description : In commercial FM broadcasting, the maximum frequency deviation is normally   (A) 5 KHz (B) 15 KHz (C) 75 KHz (D) 200 KHz

Last Answer : In commercial FM broadcasting, the maximum frequency deviation is normally 75 KHz

When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the

Description : When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the antenna is   (A) 0.89159% (B) 8.9159% (C) 89.159% (D) 891.59%

Last Answer : When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the antenna is 89.159%

A two port network having a 6 dB loss will give

Description : A two port network having a 6 dB loss will give  (A) an output power which is one - quarter of the input power (B) an output power which is one - half of the input power (C) an output voltage which is 0.707 of the input voltage. (D) an output power which is 0.707 of the input power.

Last Answer : A two port network having a 6 dB loss will give an output power which is one - quarter of the input power

When a dominant mode wave guide not terminated in its characteristic impedance is excited with a 10 GHZ

Description : When a dominant mode wave guide not terminated in its characteristic impedance is excited with a 10 GHZ signal then if d is the distance between two successive minima of the standing wave in the guide then   (A) d = 1.5 cm (B) d is less then 1.5 cm (C) d is greater then 1.5 cm (D) d = 3 cm

Last Answer : When a dominant mode wave guide not terminated in its characteristic impedance is excited with a 10 GHZ signal then if d is the distance between two successive minima of the standing wave in the guide then d = 1.5 cm

When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then

Description : When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then its efficiency will be nearly   (A) 0.19 (B) 0.81 (C) 0.97 (D) 1.19

Last Answer : When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then its efficiency will be nearly 0.81

In a radio transmitter, the frequency of the crystal oscillator will be stable for a long time if the quality factor

Description : In a radio transmitter, the frequency of the crystal oscillator will be stable for a long time if the quality factor of the crystal resonator is  (a) > 100 (b) > 500 (c) > 1000 (d) > 20000

Last Answer : In a radio transmitter, the frequency of the crystal oscillator will be stable for a long time if the quality factor of the crystal resonator is  > 1000

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Description : QPSK system is superior to BPSK system because  (a) its bandwidth is higher than that of BPSK System (b) interchannel interference in QPSK system is less then that in BPSK system (c) bandwidth ... is half of the bandwidth of BPSK system (d) in QPSK system inter-symbol interference is improved

Last Answer : QPSK system is superior to BPSK system because bandwidth of QPSK system is half of the bandwidth of BPSK system 

Earth coverage dish antenna is used in satellite system. It is characterized by the fact that

Description : Earth coverage dish antenna is used in satellite system. It is characterized by the fact that  (a) It is a narrow beam antenna (b) It is Parabolic antenna (c) it is sharply focused within a small area ... the earth (d) it is a wide angle antenna which covers a large area of the surface of the earth

Last Answer : Earth coverage dish antenna is used in satellite system. It is characterized by the fact that it is sharply focused within a small area of the surface of the earth

A rectangular waveguide is 4.2 cm by 1.85 cm. The cut-off frequency of the dominant mode through this

Description : A rectangular waveguide is 4.2 cm by 1.85 cm. The cut-off frequency of the dominant mode through this waveguide is  (a) 3.57 GHz (b) 3.75 GHz (c) 3.70 MHz (d) 3.57 MHz

Last Answer : A rectangular waveguide is 4.2 cm by 1.85 cm. The cut-off frequency of the dominant mode through this waveguide is  3.57 GHz 

For an antenna to be frequency-independent, it should expand or contract in proportion to the

Description : For an antenna to be frequency-independent, it should expand or contract in proportion to the  (a) gain (b) directivity (c) wavelength (d) impedance

Last Answer : For an antenna to be frequency-independent, it should expand or contract in proportion to the impedance

The frequency range of FM radio is

Description : The frequency range of FM radio is

Last Answer : The frequency range of FM radio is 88MHz to 108MHz

U.H.F. band covers the range of

Description : U.H.F. band covers the range of  1. 0-300 KHz 2. 3-30 MHz 3. 300-3000 KHz 4. 300 MHz - 3 GHz

Last Answer : U.H.F. band covers the range of 300 MHz - 3 GHz

In the ideal closed loop operational amplifier, the gain depends on

Description : In the ideal closed loop operational amplifier, the gain depends on (A) value of the series component (B) value of the feedback component (C) on the operational amplifier itself (D) both A and B

Last Answer : In the ideal closed loop operational amplifier, the gain depends on (A) value of the series component (B) value of the feedback component (C) on the operational amplifier itself (D) both A and B