This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can generate 20 to 100 MHz signals operating at the fifth harmonic of the crystal.
This circuit was found in an old American documentation. It can operate with signals from 40 Hz to...
The circuit shown in the figure makes it possible to trigger a load after times that can extend up to 4...
This circuit has as a critical component the transformer that has low voltage windings for the...