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 Linear Technology cold cathode fluorescent circuit operates on power from 4.5 V. The...
This circuit was obtained from an American documentation from 1976. The circuit has a dynamic...
This circuit was originally intended to operate with a solar source for experiments. Transistors are...