Mechanism contributing to a reduction in efficiency is called as

Related MCQs

• IMPATT diodes employ impact ionization technique which is a noisy mechanism of generating charge carriers.
• For a resistive frequency multiplier of multiplication factor 2, the maximum theoretical conversion efficiency is:
• If the power input to an antenna is 100 mW and if the radiated power is measured to be 90 mW, then the efficiency of the antenna is:
• If an antenna has a directivity of 16 and radiation efficiency of 0.9, then the gain of the antenna is:
• A rectangular horn antenna has an aperture area of 3λ × 2λ. If the aperture efficiency of an antenna is 90%, then the directivity of the antenna is:
• Low is the G/T ratio of an antenna, higher is its efficiency.
• Antenna’s efficiency is given by the ratio of
• Power amplifiers in the increasing order of efficiency is:
• The material used to fabricate IMPATT diodes is GaAs since they have the highest efficiency in all aspects.
• Amplifier efficiency is the ratio of RF output power to DC input power. This parameter determines the performance of an amplifier.