This circuit generates pulses whose frequency depends on C1. The circuit can be powered by voltages from 5 to 15 V. We find this configuration in a Signetics manual.
This circuit is an excellent application for the PIC in audio, but the reader who intends to do...
In this simple receiver from a 1966 documentation, the base-emitter junction of a germanium...
Using common components, this circuit found in a 2003 publication, controls the level of a water...