In this video, we use LTspice to create a simulation of a second-order, active, low-pass filter in a Sallen-Key topology, observing the resulting frequency response in a Bode style logarithmic plot. LTspice Playlist: https://www.youtube.com/playlist?list=PLN5hTakqSrfHD33NY_sucIXZejWnFX9it Breadboarding / Practical Playlist: https://www.youtube.com/playlist?list=PLN5hTakqSrfE_TPmtOWY3V1kM6dBFMCjh For more information on our HNC and HND Courses, visit: https://engineers.academy/