This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time and the frequency is determined by the crystal. The circuit operates at voltages from 3 to 9 V.
Powered by 12 or 13.6 V, this transmitter has an output power of the order of 1 W, which provides...
This circuit for experimental radios and other applications is from a documentation from the 50's....
The LM380 is not a modern component and in some cases not easy to find. But if you have one you...