This circuit was obtained from a 1968 documentation and can be adapted to use current equivalent components. The maximum frequency depends on the components used.
This circuit can generate signals in the range from 1 to 20 kHz, depending on the crystal. The...
The simplest version of a ring oscillator using two inverters Iike the one shown in other circuits in this...
This circuit was found in an English documentation from 1969. The transistors are of the time,...