Using a 4046 PLL, which is uncommon today, this circuit was found in the October 1994 issue of Electronics Now magazine. The circuit can be modified by changing the capacitor.
This constant current source is from the LM11's own factory manual used in the application. The circuit is...
The purpose of this circuit is to detect whether a coil has shorted turns. The coil must be fitted...
This medium wave radio must use a high impedance piezoelectric, crystal or magnetic phone and the...