Generated 200khz square wave with 50% duty cycle on atmega32.
Code is written in assemble language.
// Created: 9/7/2018 8:24:31 AM
// Author : abhay
BEGIN: RCALL DELAY
// OUT OCR0,128
In this fft, it can be clearly seen that the 200khz pulse is represented by a high but we can also see the harmonic of the pulse.
Here are some more fft