Using known tubes, this receiver was found in a Radio Electronics from 1949. The circuit does not include the power supply.
This circuit has a common configuration widely used in projects on this site. The transistor is...
Author: Newton C. Braga Published:Aug, 2016 Formato:Book and e-Book Pages:...
We find this circuit in an American publication of 1978. The integrated circuit is the CMOS 4013...