This circuit is from a 1968 Electronic Design. The characteristics of the output transformer are not given and the transistors are of the time. The circuit provides a power of a few watts.
Found in American documentation from the 90s, this circuit uses TTL technology and is therefore...
We found this circuit in an old documentation, but the components used offer no difficulty in obtaining...
This transmitter has the frequency that depends on the crystal. We find it in a 1980s...