This traditional TTL configuration was obtained in a 1977 documentation. The supply must be made with 5 V and the capacitors can be changed for operation at other frequencies.
This circuit was found in the November 1992 Radio Electronics magazine. The resistor in series with...
The input impedance of this circuit is about 700 k ohm and the output impedance is about 1 k ohm....
This 1-transistor Hartley oscillator generates an audio signal that is dependent on capacitor C1....