Found in a Popular Electronics from the 90s, this circuit can be adapted to use modern operational amplifiers. The output voltage is the square root of the input voltage.
Suggested by Amperex in 1968, this circuit is intended for hearing aids. The integrated circuit...
This "debouncer" was found in Popular Electronics, using TTL technology. For this reason, it can be...
November 2016 - Lumileds' new high power Luxeon 5050 LEDs can now be purchased from Mouser...