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 vibrato circuit was found in Motorola's 1966 documentation. The circuit uses transistors of the...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
We found this circuit in an old publication. The transformer has a 9 or 12 V secondary, and the...