In Microwave communication links, The rain drop attenuation experienced is mainly due to
At Microwave frequencies , the size of the antenna becomes
Which of the following is the major advantage of Travelling wave tube over Klystron
Which of the following is the one of the reason why vacuum tubes eventually fail at microwave frequencies
Short term fading in microwave communication links can be overcome by
Which of the following noise becomes important at microwave frequencies
In multicavity klystron additional cavities are inserted between buncher & catcher cavities to achieve
In Microwave power measurements using bolometer, the principle of working is the variation of
Travelling wave parametric amplifiers are used to _______
The phenomenon of microwave signals following the curvature of earth is known as _______
Due to the curvature of earth, microwave repeaters are placed at a distance of about
For which of the following reason, the Varactor diode is not useful at microwave frequencies
For transverse electromagnetic wave propagation, we need a minimum of
In p mode operation of magnetron, the spokes due to phase focusing effect rotate at an angular velocity corresponding to ________