This relay shield circuit for old computers was found in January 1983 Radio Electronics magazine. The relays are sensitive types with currents up to 200 mA.
November 2016 - Texas Instruments' new TLV8802 nano-power operational amplifiers for wireless...
We found this circuit in a documentation from the 70s. Semiconductors are from the era and can be...
The circuit shown in the figure is a voltage follower, that is, an amplifier with unit gain. The...