Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

You are pulsing the piezos with sine waves. Why not triangle or square?

April 26, 2017piezos PULSING Sine square Triangle waves

0

Posted

You are pulsing the piezos with sine waves. Why not triangle or square?

1 Answer

0

Posted

A. A sine wave is a pure frequency. Triangle or square waves can be anaylsed (using Fourier Analysis) as comprising the sum of a sine wave and a series of harmonic frequencies. Harmonics will cause additional nodes in the flask besides the prime one at the centre. Also it’ll be very much more difficult to drive non-sine waves anyway because you can’t use resonant tank circuits… to be continued…