This interesting transistor circuit has several effects and an included amplifier. The circuit is monophonic and powered by standard batteries. The number of keys can be changed.
Being able to operate with frequencies up to 100 kHz, this circuit was found in a 90’s...
This type of circuit appears in several versions and approaches on this website. This was found in a...
The circuit in the figure indicates when the input voltage exceeds a certain value adjusted by the...