We find this oscillator in a 1980s documentation. The frequency depends on the crystal and the transistor used must be able to oscillate at the desired frequency.
This circuit is from the 80's documentation. The integrated circuit is from the time but can be...
We found this circuit in a 73, magazine for radio amateurs of the 90s. The circuit is passive and...
September 2016 - It can be obtained from Mouser Electronics the new voltage regulators (LDOs) to...