This circuit transmits signals to an FM receiver at a distance of up to a few tens of meters. The coil is formed by 2 + 2 turns of wire 22 or 24 in the form of 1 cm without core. CV is a 2-20 pF trimmer or close to it and the antenna is 10 to 30 cm long. The circuit is from the book Fun Projects for the Experimenter.
| Clique na imagem para ampliar |
