This telecommunications circuit was found in a National Semiconductor publication from the 90s. It is intended to convert the voltage from 48 V of telephone lines to 5 V with currents up to 1 A.
When the illumination decreases, this multivibrator starts up, causing the lamp to blink at a...
Found in Radio Electronics, this simple indicator circuit uses general-purpose transistors common today....
November 2016 - Mouser Electronics is makingToshiba's new TLP78x and TLP79x isolation amplifiers...