This traditional crystal oscillator configuration can use any CMOS gate configured as an inverter. R1 has values from 1 to 5 M ohm and R values around 10 k.
This circuit was obtained in a magazine for radio amateurs 73 of the 90s. The circuit is based on...
This circuit, which appears from other sources in this section, allows you to control a load...
We found this circuit in Electronics Now magazine from 1996. The frequency is basically given by...