This circuit for generating precise reference signals was found in the April 1973 issue of Radio Electronics magazine. The circuit generates 100 kHz signals according to the crystal used.
This circuit produces a sinusoidal signal whose frequency can be calculated using the formula next...
This timer circuit was found in a 1980s documentation. The integrated circuit is the 555, which...
This circuit was found in Radio Electronics from the 90s. The transducer is a tweeter and the...