This circuit uses a parallel resonant crystal to control the frequency. The circuit is from Radio Electronics magazine, February 1993. Equivalent transistors can be used.
This circuit is from the 80's, making use of components of the time. What the circuit does is...
We find this circuit in a 1994 technical documentation. The circuit has a 12 V input and a 33 V...
The circuit that gave rise to this configuration was found in a magazine of the 1980s with the...