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

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

1 Answer

Answer :

Tr tube.
by

Related questions

In a series-connected duplexer, what tube (tr or atr), if any, fires during the receive cycle?

Description : In a series-connected duplexer, what tube (tr or atr), if any, fires during the receive cycle?

Last Answer : Neither fires.

Referred to as a ferrite device that can be used in lieu of a duplexer to isolate a microwave transmitter and receiver when both are connected to the same antenna. A. Isolator B. Circulator C. Coupler D. Diode.

Description : Referred to as a ferrite device that can be used in lieu of a duplexer to isolate a microwave transmitter and receiver when both are connected to the same antenna. A. Isolator B. Circulator C. Coupler D. Diode.

Last Answer : B. Circulator

To propagate energy down an arm of a hybrid ring duplexer, the two fields at the junction of the arm and the ring must have what phase relationship? To propagate energy down an arm of a hybrid ring duplexer, the two fields at the junction of the arm and the ring must have what phase relationship?

Description : To propagate energy down an arm of a hybrid ring duplexer, the two fields at the junction of the arm and the ring must have what phase relationship?

Last Answer : 180 degrees out of phase

During which of the transmit or receive cycles are both the tr and atr tubes of a parallelconnected duplexer ionized (arcing)?

Description : During which of the transmit or receive cycles are both the tr and atr tubes of a parallelconnected duplexer ionized (arcing)?

Last Answer : Transmit.

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 function does a receiver transfer switchboard perform?

Description : What function does a receiver transfer switchboard perform?

Last Answer : Transfers receiver audio outputs to remote control stations.

Constantly disconnecting from games online.

Description : Constantly disconnecting from games online.

Last Answer : I'd try turning off any anti-virus software you're running, and check your firewall settings to see if there's a way to make an exception for the games, and/or also turn off your firewall, and ... for issues. e.g. Blizzard has https://us.battle.net/support/en/article/27780 And, welcome to Fluther!

Why does my internet keep disconnecting?

Description : Why does my internet keep disconnecting?

Last Answer : Not sure what those figures are for the Internet (2000 and such). Sounds like a shitty setup to me, unless you don’t know what you are talking about by electrical network.

Why does my internet keep disconnecting?

Description : Why does my internet keep disconnecting?

Last Answer : Do you have the most up to date firmware and drivers for the router and wireless card?

Does disconnecting the battery prevent car theft?

Description : When I disconnect the battery every day, I minimize vehicle theft. It is so ? I have a favorite. Retired Prague

Last Answer : It doesn't matter, because whoever wants to steal Favorit will plug in the battery and leave anyway. After all, I can't imagine who would be worth stealing scrap. I don't want to dishonor your property.

Disconnecting the car battery while charging?

Description : Do I have to unplug the flashlight in the car? Or can I leave them as and connect the cables to it?

Last Answer : You can leave it connected. Only - if you do not have "maintenance free", it will be harder for you to clean up any splashed acid.

Will upgrading my computer involve dismantling; disconnecting some of the internal components and connecting new ones again, requiring an expert to do the jobs or I can do it myself?

Description : Will upgrading my computer involve dismantling; disconnecting some of the internal components and connecting new ones again, requiring an expert to do the jobs or I can do it myself?

Last Answer : You can probably do it yourself, but you will have to muddle around with internal components.

Temporary repairs to an open DC propulsion armature coil can be made by _____________. A. connecting the coil ends directly to a pair of negative brushes B. disconnecting coil ends, insulating each, and short circuiting the two commutator bars C. grounding the coil ends and short circuiting the commutator bar D. removing the sparking brushes

Description : Temporary repairs to an open DC propulsion armature coil can be made by _____________. A. connecting the coil ends directly to a pair of negative brushes B. disconnecting coil ends, insulating ... C. grounding the coil ends and short circuiting the commutator bar D. removing the sparking brushes

Last Answer : Answer: B

The rotation of a three-phase induction motor can be reversed by _____________. A. interchanging any two of the three line leads to the stator B. disconnecting one of the three line leads to the stator C. switching the shunt field coil leads D. permanently disconnecting any two of the three line leads to the stator

Description : The rotation of a three-phase induction motor can be reversed by _____________. A. interchanging any two of the three line leads to the stator B. disconnecting one of the three line leads to the ... the shunt field coil leads D. permanently disconnecting any two of the three line leads to the stator

Last Answer : Answer: A

What steps are to be taken before disconnecting one Alternator from parallel operation?

Description : What steps are to be taken before disconnecting one Alternator from parallel operation?

Last Answer : The following steps are to be taken before disconnecting one Alternator from parallel operation · The prime-mover input of the outgoing generator has to be decreased and that of other generators ... delivered by the outgoing generator is zero, it has to be disconnected from parallel operation.

Termination means A. result of disconnecting a line from a transmitter B. result of cutting both ends of a conductor C. looking back impedance of a line with no load D. load connected to the output end of a transmission line

Description : Termination means A. result of disconnecting a line from a transmitter B. result of cutting both ends of a conductor C. looking back impedance of a line with no load D. load connected to the output end of a transmission line

Last Answer : D. load connected to the output end of a transmission line

Why grounding mat is important near ground switch operating handle and disconnecting switch operating handle?

Description : Why grounding mat is important near ground switch operating handle and disconnecting switch operating handle?

Last Answer : Equipment operating handles deserve special attention because of the higher probability for co-incidence of adverse factors. For example, a. Hand operation equipment such as grounding switches and disconnecting ... both in order to bring down the values of touch potential and step potential.  

Which one is an antenna coupling unit? A. Coupler B. Diplexer C. Lecher wire D. Duplexer

Description : Which one is an antenna coupling unit? A. Coupler B. Diplexer C. Lecher wire D. Duplexer

Last Answer : B. Diplexer

Essentially a satellite ___________ is a radio repeater in the sky A. transponder B. comparator C. duplexer D. billboard

Description : Essentially a satellite ___________ is a radio repeater in the sky A. transponder B. comparator C. duplexer D. billboard

Last Answer : A. transponder

What is the effective radiated power of a repeater with 200 watts transmitter power output, 4 dB feline loss, 4 dB duplexer and circulator loss, and 10 dB antenna gain? A. 317 W B. 2000 W C. 126 W D. 260 W

Description : What is the effective radiated power of a repeater with 200 watts transmitter power output, 4 dB feline loss, 4 dB duplexer and circulator loss, and 10 dB antenna gain? A. 317 W B. 2000 W C. 126 W D. 260 W

Last Answer : A. 317 W

What is the effective radiated power of a repeater with 120 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 6 dB antenna gain? A. 601 W B. 240 W C. 60 W D. 379 W

Description : What is the effective radiated power of a repeater with 120 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 6 dB antenna gain? A. 601 W B. 240 W C. 60 W D. 379 W

Last Answer : C. 60 W

What is the effective radiated power of a repeater with 100 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 10 dB antenna gain? A. 800 W B. 126 W C. 12.5 W D. 1260 W

Description : What is the effective radiated power of a repeater with 100 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 10 dB antenna gain? A. 800 W B. 126 W C. 12.5 W D. 1260 W

Last Answer : B. 126 W

What is the effective radiated power of a repeater with 75 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 6 dB antenna gain? A. 37.6 W B. 237 W C. 150 W D. 23.7 W

Description : What is the effective radiated power of a repeater with 75 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 6 dB antenna gain? A. 37.6 W B. 237 W C. 150 W D. 23.7 W

Last Answer : A. 37.6 W

What is the effective radiated power of a repeater with 75 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 10 dB antenna gain? A. 600 W B. 75 W C. 18.75 W D. 150 W

Description : What is the effective radiated power of a repeater with 75 watts transmitter power output, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 10 dB antenna gain? A. 600 W B. 75 W C. 18.75 W D. 150 W

Last Answer : D. 150 W

What is the effective radiated power of a repeater with 50 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 7 dB antenna gain? A. 300 W B. 315 W C. 31.5 W D. 69.9 W

Description : What is the effective radiated power of a repeater with 50 watts transmitter power output, 5 dB feedline loss, 4 dB duplexer and circulator loss, and 7 dB antenna gain? A. 300 W B. 315 W C. 31.5 W D. 69.9 W

Last Answer : C. 31.5 W

What is the effective radiated power of a repeater with 50 watts transmitter power output \, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 6 dB antenna gain? A. 158 W B. 39.7 W C. 251 W D. 69.9 W

Description : What is the effective radiated power of a repeater with 50 watts transmitter power output \, 4 dB feedline loss, 3 dB duplexer and circulator loss, and 6 dB antenna gain? A. 158 W B. 39.7 W C. 251 W D. 69.9 W

Last Answer : B. 39.7 W

How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator or ferrite isolator in the feed line of the transmitter and duplexer C. By using a class C final amplifier with high driving power D. By installing a low-pass filter in the antenna feed line

Description : How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator ... high driving power D. By installing a low-pass filter in the antenna feed line

Last Answer : A. Through installing a band-pass filter in the antenna feed line

A duplexer is used to

Description : A duplexer is used to  (A) Couple two antennas to a transmitter without interference (B) isolate the antenna from the local oscillator (C) prevent interference between two antennas connected to a receiver (D) use an antenna for reception or transmission without interference.

Last Answer : A duplexer is used to prevent interference between two antennas connected to a receiver

Duplexer is used for

Last Answer : Duplexer is used for To allow one antenna to be used for reception and transmission.

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 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.