This circuit oscillates in the fifth harmonic of the crystal frequency. The circuit is from a 90's documentation. L1 must be according to the desired frequency.
Found in a 90s Silicon Chip documentation, this circuit provides a current of 3 A and the voltages...
This circuit is from an old manual, but can be easily assembled as the integrated one is still...
This circuit was found in a Radio Electronics magazine from November 1992. The components are from...