The final power amplifier in an FM transmitter usually operates class ___

The final power amplifier in an FM transmitter  usually operates class ___
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Answer :

C
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Related questions

The final power amplifier in an FM transmitter usually operates class ______.

Description : The final power amplifier in an FM transmitter usually operates class ______.

Last Answer : C

The final power amplifier in an FM transmitter usually operates class ______. A. AB B. C C. B D. A

Description : The final power amplifier in an FM transmitter usually operates class ______. A. AB B. C C. B D. A

Last Answer : B. C

The final amplifier of either FM or AM transmitter operates as A. Class B B. Class C C. Class A D. Class D

Description : The final amplifier of either FM or AM transmitter operates as A. Class B B. Class C C. Class A D. Class D

Last Answer : B. Class C

In an AM transmitter with 100% modulation, the voltage of the final RF stage will be

Description : In an AM transmitter with 100% modulation, the voltage of the final RF stage will be

Last Answer : approximately four times the DC supply voltage

A class A FM station is limited in antenna height of ______ feet above average terrain.

Description : A class A FM station is limited in antenna height of ______ feet above average terrain.

Last Answer : 2000

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 ________ is normally a computer that operates in all five layers of the Internet model or seven layers of OSI model.

Description : A ________ is normally a computer that operates in all five layers of the Internet model or seven layers of OSI model.

Last Answer : gateway

A _______ is a connecting device that operates in the physical and data link layers of the Internet model.

Description : A _______ is a connecting device that operates in the physical and data link layers of the Internet model.

Last Answer : bridge

A repeater is a connecting device that operates in the _______ layer of the Internet model.

Description : A repeater is a connecting device that operates in the _______ layer of the Internet model.

Last Answer : physical

The channel spacing in the Philippine FM broadcast standards

Description : The channel spacing in the Philippine FM broadcast standards

Last Answer : 800 kHz

The channel spacing in the Philippine FM broadcast standards.

Description : The channel spacing in the Philippine FM broadcast standards.

Last Answer : 800 kHz

Involves compression in the transmitter after the input sample has been converted to a linear PCM code and then expansion in the receiver prior to PCM coding:

Description : Involves compression in the transmitter after the input sample has been converted to a linear PCM code and then expansion in the receiver prior to PCM coding:

Last Answer : Digital companding

The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___

Description : The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___

Last Answer : is horizontal

If energy is applied at the geometrical center of antenna, the antenna is said to be ___

Description : If energy is applied at the geometrical center of antenna, the antenna is said to be ___

Last Answer : center-fed

Picture frames are repeated at the rate of ___ per second

Description : Picture frames are repeated at the rate of ___ per second

Last Answer : . 30

Picture frames are repeated at the rate of ___ per second

Description : Picture frames are repeated at the rate of ___ per second

Last Answer : 30

Germanium diodes are used in AM detectors because ___

Description : Germanium diodes are used in AM detectors because ___

Last Answer : they minimize distortion from nonlinearit

What is meant by antenna gain? A. The final amplifier gain minus the transmission line losses (including any phasing lines present) B. The ratio of the amount of power produced by the antenna compared to the output power of the transmitter C. The ratio of the signal in the backward direction D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna

Description : What is meant by antenna gain? A. The final amplifier gain minus the transmission line losses (including any phasing lines present) B. The ratio of the amount of power produced by the antenna ... D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna

Last Answer : D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna

What type of klystron is used as the final stage of a power- amplifier transmitter?

Description : What type of klystron is used as the final stage of a power- amplifier transmitter?

Last Answer : Multicavity klystron.

What type of klystron is used as the final stage of a power- amplifier transmitter?

Description : What type of klystron is used as the final stage of a power- amplifier transmitter?

Last Answer : Multicavity klystron.

The final output of a multiplexer

Description : The final output of a multiplexer

Last Answer : Composite baseband

A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, what is the antenna current at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A

Description : A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, ... at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A

Last Answer : D. 2.0 A

A synchronous transmission usually begins with which character

Description : A synchronous transmission usually begins with which character

Last Answer : SYN

A synchronous transmission usually begins with which character?

Description : A synchronous transmission usually begins with which character?

Last Answer : SYN

Classification of protocol that interprets a frame of data as a group of successive bit combined into predetermined pattern of fixed length, usually 8 bits each.

Description : Classification of protocol that interprets a frame of data as a group of successive bit combined into predetermined pattern of fixed length, usually 8 bits each.

Last Answer : Character and Byte-oriented protocols

Identify the class of the following IPv4 address: 191.1.2.3.

Description : Identify the class of the following IPv4 address: 191.1.2.3.

Last Answer : B

A satellite transmitter operates at 4GHz with an antenna gain of 4dBi. The receiver 40000 km away has an antenna gain of 50 dBi. If the transmitter has a power of 8 W, find (ignoring feedline losses and mismatch) the EIRP in dBW. A. 50 B. 69 C. 49 D. 30

Description : A satellite transmitter operates at 4GHz with an antenna gain of 4dBi. The receiver 40000 km away has an antenna gain of 50 dBi. If the transmitter has a power of 8 W, find (ignoring feedline losses and mismatch) the EIRP in dBW. A. 50 B. 69 C. 49 D. 30

Last Answer : C. 49

For what class of operation is the final rf power amplifier of a plate-modulator circuit biased?

Description : For what class of operation is the final rf power amplifier of a plate-modulator circuit biased?

Last Answer : Class C

It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power

Description : It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power

Last Answer : directive gain

It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates

Description : It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates

Last Answer : . Radiation resistance

Plots of field strength or power density with respect to the value at a reference point.

Description : Plots of field strength or power density with respect to the value at a reference point.

Last Answer : relative radiation pattern

The radiation pattern plotted in terms of electric field strength or power density

Description : The radiation pattern plotted in terms of electric field strength or power density

Last Answer : absolute radiation pattern

It is the same with directive gain except that the total power fed to the antenna is used and the antenna efficiency is taken into account.

Description : It is the same with directive gain except that the total power fed to the antenna is used and the antenna efficiency is taken into account.

Last Answer : power gain

It is analogous to power dissipation to copper cables, impurities in the fiber absorb the light and covert it to heaT

Description : It is analogous to power dissipation to copper cables, impurities in the fiber absorb the light and covert it to heaT

Last Answer : absorption loss

Optical power is sometimes called ____

Description : Optical power is sometimes called ____

Last Answer : Radiant flux

The minimum optical power a light detector can receive and still produce a usable electrical output signal.

Description : The minimum optical power a light detector can receive and still produce a usable electrical output signal.

Last Answer : light sensitivity

As light is coupled in a multiport deflective device, the power is reduced by:

Description : As light is coupled in a multiport deflective device, the power is reduced by:

Last Answer : 0.5 dB

It is the thermal noise power normalized to 1- Hz bandwidth:

Description : It is the thermal noise power normalized to 1- Hz bandwidth:

Last Answer : noise power density

If the carrier of a 100 percent modulated AM wave is suppressed, the percentage power saving will be

Description : If the carrier of a 100 percent modulated AM wave is suppressed, the percentage power saving will be

Last Answer : 50

A coherent binary phase shift keyed BPSK transmitter operates at a bit rate of 20 Mbps with a carrier to noise ratio C/N of 8.8dB. Find Eb/No. A. 73 dB B. 62.4 dB C. 81.8 dB D. 8.8 dB

Description : A coherent binary phase shift keyed BPSK transmitter operates at a bit rate of 20 Mbps with a carrier to noise ratio C/N of 8.8dB. Find Eb/No. A. 73 dB B. 62.4 dB C. 81.8 dB D. 8.8 dB

Last Answer : D. 8.8 dB

operant conditioning operates on the principle that behaviors occur more often when they are ___. -General Knowledge

Description : operant conditioning operates on the principle that behaviors occur more often when they are ___. -General Knowledge

Last Answer : Operant conditioning operates on the principle that behaviors occur more often when they are: A)reinforced .

What is the meaning of forward power? A. The power traveling from the transmitter to the antenna. B. The power radiated from the top of an antenna system. C. The power produced during the positive half of an RF cycle. D. The power used to drive a linear amplifier.

Description : What is the meaning of forward power? A. The power traveling from the transmitter to the antenna. B. The power radiated from the top of an antenna system. C. The power produced during the positive half of an RF cycle. D. The power used to drive a linear amplifier.

Last Answer : A. The power traveling from the transmitter to the antenna.

One of the following is a high powered RF ac basic transmitter that has two or more stages, the oscillator stage which determines the frequency opereation and RF amplifier stage orstages that develop the high power output. The purpose of which is to develop a good frequency stability. A. Goldsmith B. MOPA C. Alexanderson D. Hartley

Description : One of the following is a high powered RF ac basic transmitter that has two or more stages, the oscillator stage which determines the frequency opereation and RF amplifier stage orstages that develop the ... to develop a good frequency stability. A. Goldsmith B. MOPA C. Alexanderson D. Hartley

Last Answer : B. MOPA

Which of the following is one of the possible causes for a slow drift of frequency in a self exited transmitter oscillator circuits resulting to a poor frequency stability? A. Poor soldered connections B. Power supply voltage changes C. Loose connections in the oscillator, amplifier, or antenna circuits D. DC and RF heating of resistors, causing then to change values.

Description : Which of the following is one of the possible causes for a slow drift of frequency in a self exited transmitter oscillator circuits resulting to a poor frequency stability? A. Poor soldered connections ... , or antenna circuits D. DC and RF heating of resistors, causing then to change values.

Last Answer : D. DC and RF heating of resistors, causing then to change values.

Is there such a thing as a good FM transmitter for the iPhone 3gs?

Description : Is there such a thing as a good FM transmitter for the iPhone 3gs?

Last Answer : I think that any will do. It just goes into a standard headphone jack.

What would happen if you plugged an FM transmitter into a radio's headphone jack and set the radio to the transmitter's transmitting frequency?

Description : What would happen if you plugged an FM transmitter into a radio's headphone jack and set the radio to the transmitter's transmitting frequency?

Last Answer : You would get a positive feedback loop, probably resulting in an audible tone. The amplitude would be limited by the transmitter’s modulation limiter, so all you’d have is a very ordinary oscillator.

Best FM transmitter for iPhone 3g?

Description : Best FM transmitter for iPhone 3g?

Last Answer : They all suck, seriously. Get a DICE , much better and CD quality. You can install it yourself within a few hours depending on your vehicle.

Best FM transmitter?

Description : Best FM transmitter?

Last Answer : Sorry, the link is gone.

What helps an Fm transmitter crack?

Description : What won't crack?

Last Answer : Turn down the volume on your phone. It will never sound unfortunately as if it were aux or regular bluetooth.

Does an FM transmitter have as good quality as a jack cable?

Description : I bought an fm transmitter in the car, but it hisses and crackles. Can it be set to be at least as good as a jack cable?

Last Answer : If the transmitter is of good quality, you just need to choose a good frequency where there is nothing else and it will be so good! You can know even better quality than a jack cable.