Found in a 1967 EEE, this circuit oscillates at 20 MHz according to the values of the given components. The FET can be of general use. The coil has only indicated the number of turns.
The purpose of this circuit is to emit infrared pulses. However, LEDs for visible light can also...
This circuit, ideal for those who have signal problems in the UHF band, mainly in the reception of digital...
Phase and amplitude can be controlled in this circuit found in the May 1988 Radio Electronics...