This circuit was found in a 90s 303 Circuits. The circuit operates in a 200 Hz switching mode and the output current reaches 5 A.
This damped oscillator that mimics the sound of a gong was found in 90s American documentation. The...
PIC16F19197 Microcontroller Family Combines Battery-Friendly LCD Drive with Core Independent...
We find this circuit in a 1977 technical documentation. The circuit generates signals in a wide...