has a constant power spectral density.

Related MCQs

• If a power amplifier has an output power of 10 W, and an amplifier gain of 16.4 dB, then the input drive power 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 the output power of an amplifier is 10 V, and the input power supplied to the amplifier is 0.229 V given that the DC voltage used is
• The production of power at higher frequencies is much simpler than production of power at low frequencies.
• Amplifier efficiency is the ratio of RF output power to DC input power. This parameter determines the performance of an amplifier.
•                        is defined as the ratio of desired signal power to undesired noise power.
• An antenna has a field pattern of E (θ) = cos2 θ, θ varies between 0 and 900. Half power beam width of the antenna is:
• Antennas having a constant pattern in the azimuthal plane are called                            
• In a GaAs n-type specimen, the current generated is constant irrespective of the electric filed applied to the specimen.
• To prevent an IMPATT diode from burning, a constant bias source is used to maintain                at safe limit.