The three major fields of electronics are ______, ______, and ________

Communication is the process of ______ information.

________ is the transmission, reception, and processing of information between two or more locations using electronic circuits.

Electronic Communication System aims to _____

The major elements of a communications system, are a ________ to send a message, a communications medium, a __________ to pick up the message, and _________.

________ converts information signal into form suitable for transmission.

_______ accepts transmitted signal, and converts it back to its original form.

Transmission Medium provides a means of ________ between a transmitter and a receiver.

Transmitters are made up of following except ______

__________ is the process of converting a frequency or band of frequencies, to another location in the total frequency spectrum.

Class B Amplifier has _____ Efficiency and ______ Fidelity.

Class A Amplifier has _____ Efficiency and ______ Fidelity.

Class C Amplifier has Fidelity less than _______ and Efficiency close to ______

Which of the following Fidelity and Efficiency is Class AB Amplifier?

It is bias for Class C Amplifier that is produced by Resistor Capacitor Network

Collector current in Class C amplifier is ______

it is used as frequency coupling.

_____ is ratio of RF output power to dc input power.

It is the back and forth oscillation of electrons in oscillator.

The ______ feedback is coupled to Hartley oscillator via ______.

The ______ feedback is coupled to Colpitts oscillator via ______.

The ______ feedback is coupled to Pierce oscillator via ______.

Pierce oscillator does not require LC Tank

What is crystal utilized in Colpitts oscillator?

Colpitts oscillator is commonly used in VFO because ________

Oscillator produces periodic waveform on its ouput with applied _______ supply.

The order of Q required by tank circuit to reduce harmonics is approximately ________.

It is added to the circuit to compensate for variations due to heat.

Network consists _____ inductor and _____ capacitors.

In broadcast station, Automatic Gain Control is also referred as ________

______ is oscillator mode tuned at the third, fifth, seventh, or even the ninth harmonic of the crystal’s fundamental frequency.

GT Cut Crystal Is almost a perfect zero-coefficient crystal from freezing to boiling but is useful only at frequencies below ______

Discrete Pierce Oscillator, is a crystal oscillator circuit that is used due to ____

_______ is a crystal oscillator circuit that has low cost and simple digital interfacing capabilities.

_______ is crystal oscillator circuit that has best frequency stability.

It is free-running oscillator with a stable frequency of oscillation, that depends on an external timing capacitance, timing resistance, and control voltage.

It is the parameter of divider between VCO and phase detector, in which determines output frequency of synthesizer.

It is a closed-loop feedback control system in which either the frequency or the phase of the feedback signal is the parameter.

It is the state when the PLL is in the process of acquiring frequency lock.

It is the state when the VCO output frequency is locked equal to the frequency of the external input signal.

It refers to frequency acquisition.

Hold In Range is the ____ of lock range.

It is the VCO’s output frequency when the PLL is not locked.

It is the VCO’s output frequency when the PLL is locked.

PLL is combined with ______ to produce multiple frequencies.

Frequency Synthesizer has basic circuit of ____

_____ is frequency synthesis where multiple output frequencies are generated by mixing the inputs.

_____ is frequency synthesis where a feedback-controlled divider/multiplier is used to generate multiple output frequencies.

______ is a device used as frequency multiplier or divider.

_______ is the minimum frequency separation between output frequencies for a synthesizer.

_______ refers to a specific band of frequencies allocated a particular service.

______ is the medium by which the electronic signal is sent from one place to another.

________ refers to two or more locations in which information are exchanged.

_____ are pair of wires, that transmit voice signals from microphone in its simplest form.

what carries TV signals?

______ are used in LAN, or Local Network Area.

_______ is a light pipe, used to carry long distance calls, and internet communications.

_______ is the wireless media that uses propagate signal, through electromagnetic field.

________ is the term for any form of wireless communication from one point to another.

_______ are signalsmade up of electric and magnetic fields, that propagate over long distances.

____ is circuit configuration for one wire for signal and one for ground.

______ is circuit configuration for two for signal and two for ground.

_______ match impedance and provide isolation between two signal directions.

______ is a medium used in SONAR or Sound Navigation for Radar.

Device that listens for underwater sounds with sensitive hydrophones.

Device that uses an echo-reflecting technique similar to that used in radar for determining how far away objects under water.

______ is medium used for carrying low frequency signals.

_______ is used for remote control of electrical equipment.

What process is performed at transmitter?

_______ is the process of extracting information from high frequency.

______ is random, unpredictable, and unwanted signals.

Noise always affect the communication systems at _____.

_______ is present with or without input signal.

_______ is present with input signal only.

External Noise is measured in terms of ____ values.

_______ consists of electrical signals that originate from outside Earth’s atmosphere.

Extraterrestial Noise is observable at frequencies from _____

Noise generated directly from the sun’s heat.

Peak solar noise occurs every _____ years.

What kind of noise are continuously distributed throughout the galaxies?

What noise that is naturally occurring electrical disturbances that originate within Earth’s atmosphere?

Atmospheric Noise cannot be ignored at the frequencies

______ is the interference caused by rain or dust storms.

Industrial Noise is man made noise with frequency from

What disrurb or detract form?

______ is noise produced when signal that fall outside their allocated bandwidth and interfere with other signals.

It is the signal alteration due to imperfect response of system.

_____ is the non continuous noise of irregular pulses or spikes of duration with high amplitudes.

______ is the interference coming from other channels.

Crosstalk occurs due to _______

_______ is the crosstalk due to incomplete suppression of sidebands which are untelligible.

_______ is the device that measures internal open circuit voltage of an equivalent noise generator.

Psophometer has generator with 600 Ohm load and _____ load.

It is characterized by high-amplitude peaks of short duration in the total noise spectrum.

_________ is the noise produced within the system.

It is random acoustic or electric noise that has equal energy per cycle over a specified band.

_______ is caused by thermal agitation of particles in a resistive material.

A noise measured on a circuit when it is correctly terminated but does not have any traffic.

When there is increase in temperature, ______

When there is increase in resistance, the noise power _____