This circuit for audio signals was found in the March 1990 Radio Electronics magazine. The circuit uses a unusual optocoupler that can be replaced with an equivalent one.
This soft start circuit was found in a 1965 General Electric documentation. The SCR and bridge...
The circuit in the Multisim Blue simulation sources a regulated voltage to loads up to 50 mA. The...
The TTL circuit we present is for recreational purposes, but that does not mean that it cannot serve...