Found in Philips' 1967 documentation, this circuit makes use of period components. The SCR can be of any type, depending on the power of the controlled load.
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...