Using the integrated circuit 723 we found this power supply in an article in the magazine Radio Electronics from August 1971. The transistor may be a BD136 equipped with a heat sink.
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...