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Determine from the following radio frequency that falls under the Very High Frequency band of the radio spectrum.
Man-made noise is caused by
A system having an input power of 2 mW an output power of 0.8 mW has a loss of:
Just above the infrared region is the spectrum referred to as
What Is the reduction of signal amplitude as it passed over the transmission medium?
Which communication application best describes movies, sports events, and other programs that are distributed to subscribers by fiber-optic and coaxial cable?
What agency is responsible for allocating bands of frequencies and for setting limitations on broadcast power for different types of radio and TV operations?
One of the following type of noise becomes of great importance in high frequencies. It is the
A system having an input power of 2 mW an output power of 0.8 mW has a loss of:
Determine the equivalent noise temperature of a receiver with a noise figure of 4 dB at 300 K environment temperature.
A network that has an input of 75 dB and an output of 35dB. The loss of the network is _____
A single measuring circuit having a resistor if 10 kΩ is connected in series with a 0.5 μF capacitor. What is affective bandwidth?
Signal whose physical quantity varies continuously with time
What radio frequencies are most affected by lightning or static waves?
Signals generated at frequencies above and below a carrier frequency by an amount equal to the modulating frequency are called
_____ frequencies are exact multiples of the fundamental frequency.
These are bend of light wavelengths that are too short to be seen by the human eye.
The value of a resistor creating noise is doubled. The noise power generated is therefore
When the power ratio of input to output is 1/100, the loss of the circuit, in dB, is
Digital information is processed with a specified degree of
