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 is from an old publication, from 1992, being indicated to test the old joysticks of...
This circuit simulates lightning using a small white lux type fluorescent lamp. The circuit is...
The frequency of this astable multivibrator depends not only on the capacitors, but also on the...