"...in theory there is no difference between theory and practice, while in practice there is...."
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A compendium of blog posts on op amp design topics

https://www.onsemi.com/support/design-resources/appnotes

https://www.onsemi.com/support#downloadable

Everything you wanted to know about electronics in small modules.
https://www.yuden.co.jp/resource/data/basics/basics_en.pdf < Low ESR Caps , High SRF L
http://electrical-engineering-portal.com/download-center/books-and-guides/electrical-engineering-3

Infineon Cloud FET Designer tools

Falstad Analog Simulator with a BPF example

Falstad Bode plot (options> Show Phase to be enabled) You can use Ideal Op Amps or change gain but add ESR

Falstad's Fourier analyzer ( check View gain/phase & Log View boxes) draw arbitrary waves or preset ones. :) gmail: tony.sunnysky

Richmond Hill, ON, Canada Time Zone : Retired Standard Time