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.
With this circuit it is possible to visualize the characteristic curve of a component on an...
August 2017 - The new DPS1133 power switches from Diodes Incorporated for currents up to 3.3 A...
Virtually any FET can be used on this voltmeter found in old documentation. The indicator is a...