Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Tunnel diode Thyratron tube Klystron tube Both B and C Tunnel diode Thyratron tube Klystron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Sixth Fifth Fourth Third Sixth Fifth Fourth Third ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Electron transit time Distributed lead inductance Inter-electrode capacitance Degree of emission from the cathode Electron transit time Distributed lead inductance Inter-electrode capacitance Degree of emission from the cathode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. LORAN Echosounder Fathometer SONAR LORAN Echosounder Fathometer SONAR ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Single mixer stage Duplexer stage Transmitter oscillator Local oscillator Single mixer stage Duplexer stage Transmitter oscillator Local oscillator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The dimension of each cavity resonator The number of the cavity resonators The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The dimension of each cavity resonator The number of the cavity resonators The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet ANSWER DOWNLOAD EXAMIANS APP
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