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.
Found in a 1980s documentation, this amplifier features high common mode rejection. The operating...
This circuit was found in a former Popular Electronics. The timing is set on the potentiometer and the...
With this voltage regulator we can build a source of 1.7 to 17 volts and a maximum current of 1.5 A. The...