What are the essential components of a cw receiver system?

What are the essential components of a cw receiver  system?
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1 Answer

Answer :

An antenna, tank circuit for tuning, rectifier for detection, filter to  give constant output, and an indicator device
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Related questions

What transmission method uses a stable cw reference oscillator, which is locked in phase with the transmitter frequency?

Description : What transmission method uses a stable cw reference oscillator, which is locked in phase with the transmitter frequency?

Last Answer : Pulse-Doppler.

What is the function of the oscillator in a cw transmitter?

Description : What is the function of the oscillator in a cw transmitter?

Last Answer : It generates an rf carrier at a given frequency within required limits.

How does heterodyning distinguish between cw signals?

Description : How does heterodyning distinguish between cw signals?

Last Answer : By giving a different beat frequency for each signal.

What principle is used to help distinguish between two cw signals that are close in frequency?

Description : What principle is used to help distinguish between two cw signals that are close in frequency?

Last Answer : Heterodyning.

Name a disadvantage of a single-stage cw transmitter.Name a disadvantage of a single-stage cw transmitter.

Last Answer : Antenna-to-ground capacitance can cause the oscillator frequency to vary.

Name three advantages of cw transmission

Description : Name three advantages of cw transmission

Last Answer : A high degree of clarity even under severe noise conditions, long-range operation, and narrow bandwidth.

State the method used to increase the speed of keying in a cw transmitter.

Description : State the method used to increase the speed of keying in a cw transmitter.

Last Answer : Machine keying.

What are the three requirements for cw transmission?

Description : What are the three requirements for cw transmission?

Last Answer : A method of generating oscillations, a method of turning the oscillations on and off (keying), and an antenna to radiate the energy.

What two components give a ssb receiver its advantages over an AM superheterodyne receiver?

Description : What two components give a ssb receiver its advantages over an AM superheterodyne receiver?

Last Answer : A special type of detector and a carrier reinsertion oscillator

The three major groups of the optical system are ∙ A. the components, the data rate and the response time ∙ B. the source, the link and the receiver ∙ C. the transmitter, the cable and the receiver ∙ D. the source, the link and the detector

Description : The three major groups of the optical system are ∙ A. the components, the data rate and the response time ∙ B. the source, the link and the receiver ∙ C. the transmitter, the cable and the receiver ∙ D. the source, the link and the detector

Last Answer : B. the source, the link and the receiver

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what channel is cw on

Description : what channel is cw on

Last Answer : Try this: http://cwtv.com/thecw/stations

What is the 'CW'?

Description : What is the 'CW'?

Last Answer : The newly named channel, the CW, used to be called the WB. It is on the same channel as the WGN news. In Chicago, that would be channel 9. In Florida it would be channel 6. and in Colorado it is on channel 26.

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What is emission F3F? A. Facsimile B. Modulated CW C. RTTY D. Television

Description : What is emission F3F? A. Facsimile B. Modulated CW C. RTTY D. Television

Last Answer : D. Television

With which emission type is the capture-effect most pronounced? A. CW B. FM C. SSB D. AM

Description : With which emission type is the capture-effect most pronounced? A. CW B. FM C. SSB D. AM

Last Answer : B. FM

Which one of the following statements for a dc machine which is provided with inter pole winding (IW) as well as compensating winding (CW) is correct a) Both IW and CW are connected in series with Armature winding b) Both IW and CW are connected in parallel with Armature winding c) IW connected in series but CW is connected in parallel with Armature winding d) CW connected in series but IW is connected in parallel with Armature winding

Description : Which one of the following statements for a dc machine which is provided with inter pole winding (IW) as well as compensating winding (CW) is correct a) Both IW and CW are connected in ... parallel with Armature winding d) CW connected in series but IW is connected in parallel with Armature winding

Last Answer : Ans: Both IW and CW are connected in series with Armature winding

What is the disadvantage of using a double receiver instead of two individual receivers?

Description : What is the disadvantage of using a double receiver instead of two individual receivers?

Last Answer : If one of the receivers goes bad the entire unit must be replaced.

When is a synchro receiver (TR) properly zeroed?

Description : When is a synchro receiver (TR) properly zeroed?

Last Answer : A TR is zeroed when electrical zero voltages exist across its stator windings at the same time its rotor is on zero or on its mechanical reference position.

What is the most likely problem if the transmitter shaft reads 0º when the receiver shaft indicates 180º?

Description : What is the most likely problem if the transmitter shaft reads 0º when the receiver shaft indicates 180º?

Last Answer : The rotor leads on either the transmitter or the receiver are reversed.

What two receiver leads are reversed to reverse the rotor's direction of rotation?

Description : What two receiver leads are reversed to reverse the rotor's direction of rotation?

Last Answer : 1 and S3.

What is the relationship between the transmitter and receiver stator voltages when their rotors are in correspondence?

Description : What is the relationship between the transmitter and receiver stator voltages when their rotors are in correspondence?

Last Answer : The voltages are equal and oppose each other.

What is the physical difference between a synchro transmitter and a synchro receiver?

Description : What is the physical difference between a synchro transmitter and a synchro receiver?

Last Answer : A synchro receiver uses some form of damping to retard excessive oscillations or spinning.

Receiver bandwidth is defined as those frequencies spread between what two points of the receiver response curve?

Description : Receiver bandwidth is defined as those frequencies spread between what two points of the receiver response curve?

Last Answer : Half-power points.

When measuring receiver sensitivity, what quantities must you add to the dBm reading obtained on the signal generator or test set?

Description : When measuring receiver sensitivity, what quantities must you add to the dBm reading obtained on the signal generator or test set?

Last Answer : Attenuations of the directional coupler and the connecting cable.

You determine receiver sensitivity by measuring the power level of what signal?

Description : You determine receiver sensitivity by measuring the power level of what signal?

Last Answer : Minimum discernible signal (mds).

A loss of receiver sensitivity has the same effect on range performance as what other loss?

Description : A loss of receiver sensitivity has the same effect on range performance as what other loss?

Last Answer : Transmitter power loss.

Where should the transmitter spectrum be located with respect to the receiver response curve?

Description : Where should the transmitter spectrum be located with respect to the receiver response curve?

Last Answer : In the center.

A monopulse receiver has how many separate channels?

Description : A monopulse receiver has how many separate channels?

Last Answer : Three.

How does ftc affect receiver gain, if at all?

Description : How does ftc affect receiver gain, if at all?

Last Answer : FTC has no effect on receiver gain

Immediately after the transmitter fires, stc reduces the receiver gain to what level?

Description : Immediately after the transmitter fires, stc reduces the receiver gain to what level?

Last Answer : Zero.

Which receiver component converts the IF pulses to video pulses?

Description : Which receiver component converts the IF pulses to video pulses?

Last Answer : Detector.

What receiver circuit actually produces the IF frequency?

Description : What receiver circuit actually produces the IF frequency?

Last Answer : Mixer.

Which component of the receiver produces the signal that is mixed with the received signal to produce the IF signal?

Description : Which component of the receiver produces the signal that is mixed with the received signal to produce the IF signal?

Last Answer : Local oscillator.

What type of receiver is most often used in radar systems?

Description : What type of receiver is most often used in radar systems?

Last Answer : Superheterodyne.

What tube in a duplexer has the primary function of disconnecting the receiver?

Description : What tube in a duplexer has the primary function of disconnecting the receiver?

Last Answer : Tr tube.

what causes the initial and final pulses on the receiver output signal?

Description : what causes the initial and final pulses on the receiver output signal?

Last Answer : Leakage from the duplexer.

What is the result of an impedance mismatch between a receiver or transmitter and its transmission line or antenna?

Description : What is the result of an impedance mismatch between a receiver or transmitter and its transmission line or antenna?

Last Answer : High vswr, which equates to poor reception or a loss of power output.

Which amplifier stage (the preamplifier or the postamplifier) is a dominant contributor of noise and significantly influences the sensitivity of the receiver?

Description : Which amplifier stage (the preamplifier or the postamplifier) is a dominant contributor of noise and significantly influences the sensitivity of the receiver?

Last Answer : The preamplifier.

Define receiver dynamic range.

Description : Define receiver dynamic range.

Last Answer : The range of optical power levels over which the receiver operates within the specified values. It

. Which part of the receiver amplifies the electrical signal to a level suitable for further signal processing?

Description : . Which part of the receiver amplifies the electrical signal to a level suitable for further signal processing?

Last Answer : Amplifier.

What is a fiber optic receiver?

Description : What is a fiber optic receiver?

Last Answer : An electro-optic device that accepts optical signals from an optical fiber and converts them into electrical signals

What is the main factor that determines receiver sensitivity?

Description : What is the main factor that determines receiver sensitivity?

Last Answer : Noise

List the main types of receiver noise.

Description : List the main types of receiver noise.

Last Answer : Thermal noise, dark current noise, and quantum noise

List the key operational parameters used to define receiver performance.

Description : List the key operational parameters used to define receiver performance.

Last Answer : Receiver sensitivity, bandwidth, and dynamic range.

What is the function of a crystal filter in a receiver?

Description : What is the function of a crystal filter in a receiver?

Last Answer : It is used to achieve maximum selectivity.

What does a tone control circuit in a receiver do to the audio signal?

Description : What does a tone control circuit in a receiver do to the audio signal?

Last Answer : It controls the amount of bass and treble response.

What are the four basic receiver characteristics?

Description : What are the four basic receiver characteristics?

Last Answer : Sensitivity, noise, selectivity, and fidelity.

What four basic functions must a receiver perform?

Description : What four basic functions must a receiver perform?

Last Answer : Reception, selection, detection, and reproduction.