This circuit was obtained from the July 1970 issue of Radio Electronics magazine. Zeners are power types that can provide a good current to the circuit. Selection is made by rotary switch.
This circuit is suggested by the National Semiconductor (Now Texas Instruments) and is based on a...
This optical coupler for short distances is powered by 12 V which is the voltage of the lamp and...
June 2017 - In its huge line of available components, Mouser Electronics highlights the new...