Found in an RF Design from the 90's this circuit is intended for crystals of less than 1 MHz. Transistors are types of general use today.
This circuit is from the 1997 LinearTechnology Applications, operating with input voltages from 3 to 12...
We found this circuit in the April 1992 issue of Radio Electronics magazine. The circuit uses an...
This circuit is from an old documentation. Integrated circuit 723 is not common today. The power...