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 incorporates the passive control of the previous circuit and was also found in the...
A rectangular signal applied to the input of this circuit becomes a negative pulse, which...
Found in a 1965 Motorola documentation this circuit drives magnetic-type fuel pumps found in cars...