This crystal oscillator is indicated for the calibration of IF steps of common radio receivers. The transistor admits equivalent as 2N2222 or BF494. The circuit is from an old American publication.
This is one of the first circuits published on this component. We found it in the September 1950...
Found in American documentation from the 90s, this circuit uses a high voltage relay and has no...
This circuit generates high voltage pulses, which can reach 30 000 V with the discharge of a...