This electronic Morse Key for telegraph message transmission was found in an American 1980s amateur radio documentation. The circuit uses TTL technology and must be powered by a 5V voltage.
April 2017 - Mouser Electronics is supplying the SP8008 line of diode arrays of Litelfuse. The new...
The fraction of watt amplifier shown can be powered by voltages from 6 to 9 V. It is not...
This metering bridge circuit uses one power supply only. The operational ones depend on the...