Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Distributed lead inductance Electron transit time Inter-electrode capacitance Degree of emission from the cathode Distributed lead inductance Electron transit time Inter-electrode capacitance Degree of emission from the cathode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 30 to 30000 MHz 300 to 3000 MHz 3000 to 30000 MHz 10 to 10000 MHz 30 to 30000 MHz 300 to 3000 MHz 3000 to 30000 MHz 10 to 10000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Thyratron Klystron Magnetron Reflex-klystron Thyratron Klystron Magnetron Reflex-klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Operates over a positive resistance characteristic Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Generates frequencies which are below 100 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Direct coax-helix match Waveguide match All of these Cavity match Direct coax-helix match Waveguide match All of these Cavity match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers Must be doubled Must remain as before May be decreased Must be increased Must be doubled Must remain as before May be decreased Must be increased ANSWER DOWNLOAD EXAMIANS APP