Spectrum of square wave
A square wave has amplitude 0 volts and 2.0 volts, and a period of 0.1 ms.
a. What is the frequency of the square wave?
b. What is the magnitude of the fundamental frequency component of the spectrum of the square wave?
c. What is the magnitude of the frequency component at 30 kHz?
d. The square wave is passed through an ideal rectangular low pass filter that completely attenuates all frequencies higher than 35 kHz. Write down an equation for the spectrum at the output of the low pass filter.
e. The period of the square wave is changed to 0.05 ms. Write down an equation for the spectrum at the output of the low pass filter now.