Video 7 Spectrum Analysis of Square Waves

The measured values in dB scale: (you need to calculated for the theoretical values)
1st harmonic (1kHz): 0dB (does that make sense to you?)
2nd harmonic (2kHz): -55.36dB
3rd harmonic (3kHz): -9.55dB
4th harmonic (4kHz): -61.43dB
5th harmonic (5kHz): -14.01dB
6th harmonic (6kHz): -64.57dB
7th harmonic (7kHz): -15.88dB
8th harmonic (8kHz): -65.23dB
9th harmonic (9kHz): -19.03dB
10th harmonic (10kHz): -65.89dB
(why are these values all negative?)

[@unrealreality5419]

Loved this small series of videos, wish there were more. You are a great teacher! Thank you loadz 🙏

[@qwerty_____146]

OMG, Thank you dear bro. really nice. Thank you, dear.