# The figure above represents the spectrum of a pulse train, Fo= 2KHz 1-What is the frequency of the fourth harmonic? 2- What is the power of the Second harmonic? 3- When does the first null occur? Reference level = 20 dBm Centre Frequency = 40KHz Span= 80KHz / division

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The figure above represents the spectrum of a pulse train, Fo= 2KHz
1- What is the frequency of the fourth harmonic?
2- What is the power of the Second harmonic?
3- When does the first null occur?
4- Calculate the duty cycle of this signal.
5- What does the space between the pulses equal l?
Reference level = 20 dBm
Centre Frequency = 40KHz
Span= 80KHz/ division
Transcribed Image Text:# The figure above represents the spectrum of a pulse train, Fo= 2KHz 1- What is the frequency of the fourth harmonic? 2- What is the power of the Second harmonic? 3- When does the first null occur? 4- Calculate the duty cycle of this signal. 5- What does the space between the pulses equal l? Reference level = 20 dBm Centre Frequency = 40KHz Span= 80KHz/ division
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