101. Directional couplers are mainly used
102. Multiple collectors are used in Traveling Wave Tube (TWT) to:
103. Travelling wave tube is suitable for
104. Which of the following devices cannot be used as microwave oscillator:
105. The waveguide (a = 1.5 cm, b = 1 cm) is loaded with dielectric (εr = 4). Which one of the following is correct?
The 8 GHz signal will
The 8 GHz signal will
106. What is the critical frequency for reflection at vertical incidence if the maximum value of electron density is 1.24 × 106 cm-3?
107. Travelling wave tube (TWT) is basically
108. TM01 mode in rectangular perfect metallic waveguide is:
109. Klystron operation is based on the principle of
110. The transmit time in the repeller space of a reflex klystron must be (n + 3/4) cycles to ensure that,
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