This circuit was found in a 1991 PE Hobbyst Handbook. The components are still common and each note has an individual adjustment.
This is the typical circuit of an FET amplifier stage in the common source configuration. The circuit is...
This voltage-controlled oscillator was found on an Elektor from the 90s. The components are from...
We found this circuit in an English publication from 1980. It provides a logical output signal when...