This simple clock can be used to generate signals up to 100 kHz, depending on the crystal. We found it in a 1967 documentation. Note the high supply voltage.
This circuit provides a signal that is twice the frequency of the input signal. The circuit was...
An interesting application of the 4093 integrated circuit is the one shown in the figure, in which...
This tunnel diode oscillator was found in July 1986, Radio Electronics magazine. Note the low...