The circuit shown in the figure can be used on a data transfer bus using an appropriate family integrated. The circuit is TTL technology and must be powered from a 5 V supply.
In this circuit the regulation is made from a circuit in the LED cathode. The configuration is...
Found in old documentation, this circuit makes use of amplifiers of the time, uncommon today. Next...
This test for electrolytic capacitors was found in the October 1960 Radio Electronics magazine. Note...