This circuit, which can use the 4011 or 4001, was found in documentation from the 90s. The load depends on the transistor used, and the power supply must be isolated.
The original frequency of the Pierce Oscillator with bipolar transistor is given by the crystal, which...
Used in radio reception, this circuit was found in the February 1983 Radio Electronics magazine. The...
We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994....