The range of this transceiver found in an old national publication is of the order of 1 km. The coils have the following characteristics:
L1 - 8 turns of wire 28 in the form of 3 mm in diameter and taken on the first loop.
L2 - 7 turns of wire 20 with 3 mm in diameter and central socket
L3 - 7 turns of wire 28 in the form of 3 mm with ferrite core
L4 - 2 turns of wire 28 at the lower end of L3.
The crystal is 50 MHz for the third overtone and T1 is a 500/50 ohms output transformer.
| Clique na imagem para ampliar |
