Pitch Dependent LFO by Otto van Zanten

Percussive Rhythmic Pitch LFO

I tend to start with Resonance and Env Depth quite low and Mod Depth closed, then raise them up a bit, then open the Mod Depth to get the percussive Filter FM kind of sound to make the sequence more interesting.

You can hear it in action here: https://youtu.be/w9zOzjzYeuA