This double time constant circuit for resistive loads was found in documentation from the 1980s. The triac must be equipped with a heat sink.
The figure shows how to implement the AND function with a Norton LM3900 operational amplifier. The number of...
August 2017 - Texas Instruments' new integrated circuit BQ25872, a 7-A keyed battery charger with...
This circuit was obtained in a 1982 English magazine. The purpose of this circuit is to interface...