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.
This circuit is implemented with operations that are not common today but can be assembled with...
We found this circuit in an old practical publication. The circuit is still viable today and the...
This circuit makes use of the Linear Technology LT1637. We find it in a 2005 manual. The circuit...