Found in an Electronics World of 1969, this circuit generates 400 Hz signals. The coil must have 3 H of inductance and the capacitor of 47 nF. Equivalent FETs and UJTs can be used. The signal is sinusoidal.
Found in an Electronics World of 1969, this circuit generates 400 Hz signals. The coil must have 3 H of inductance and the capacitor of 47 nF. Equivalent FETs and UJTs can be used. The signal is sinusoidal.