Maybe you are familiar with the op-amp as an extremely ... than their levels as such. Simple long-tailed pairs had a long history prior to the advent of integrated circuits, starting in the ...

This Design Idea is not meant to be an exhaustive treatise on resonant circuits. Instead, it demonstrates a procedure by which any resonant piezoelectric transducer or buzzer can be driven to high ...

It’s something [Igor Brichkov] is using, to make a simple but effective electronic drum. First of all, the output of the buzzer must be ... using circuits rather than software.