This simple 6 V source stabilized by zener diode was found in a European technical publication from 1972, but it is current for its simplicity and the components it uses.
This circuit checks the infrared emission of a common remote control. We found it in the March 1993...
We find this circuit in a 1976 NASA handbook. The circuit can be designed based on current logical...
August 2017 - Texas Instruments is making available through Mouser Electronics the new integrated...