We found this circuit in a publication for radio amateurs in 1974. The bipolar transistors can be the BC548 and the unijunction can be the 2N2646. The generated frequency range depends on capacitor C.
We found this circuit in a publication for radio amateurs in 1974. The bipolar transistors can be the BC548 and the unijunction can be the 2N2646. The generated frequency range depends on capacitor C.