Category: Communications Solution

Solution: What is the total power supplied by an AM transmitter with a carrier power of 2500 W

Solution: Write the formula of the frequency modulation (FM)

Solution: A carrier (fc = 100 MHz, A, = 25 V) is frequency modulated by the sine wave

Solution: What is the maximum efficiency value for an AM system

Solution: Calculate the carrier and modulating frequencies, the modulation index and deviation

Solution: Calculate the equivalent noise voltage and power contributed by two resistors

Solution: Determine the total noise voltage over a bandwidth of 120 kHz

Solution: Calculate the output noise voltage if the amplifier has a 5-dB NF

Solution: What is the quality factor for a 2 MHz carrier and 50 dB sideband suppression

Solution: Determine the frequency of the modulating signal