This circuit for medium and short wave range was found in an American documentation from 1992. The circuit can use general purpose transistors and the antenna can be external or telescopic.
This circuit is based on the bistable configuration, but with the difference that the values of...
I found this circuit in a July 1982 English magazine. The circuit is still viable by simply using...
The buffered phase shift oscillator circuit shown in the figure oscillates at a frequency of 2.9...