The circuit shown uses an unusual regulator currently, which is the LM2935, which must be mounted on a heat radiator. The circuit is from Motorola's Linear Interface ICs.
This conventional configuration for TL series amplifiers is from Motorola's 1993 Linear Interface ICs....
We found this circuit in a publication by Radio Shack in 1975. The pulse transformer has a low...
This circuit limits the intensity of the output signal to a level given by the zener diodes. The...