This oscillator uses a crystal to set the frequency. The operating limit of the unijunction is in the order of 100 kHz. Power supply can be between 10 and 20V.
We found this circuit in a 1956 documentation from Sylvania. The circuit is for bench testing and...
This circuit was found in the Radio Electronics magazine of July 19666. The search coils are the...
This circuit allows only signals with frequencies below the calculated value to pass. The formulas for...