This transistorized circuit appeared in a Radio Electronics magazine in March 1958. The frequency range depends on the tuned circuit, being within a few megahertz.
This circuit, with the TBA810 circuit, which is no longer common today, was found in a 1985...
For a 75ohm output, this circuit was found in ancient American documentation, using components from...
Taken from a 1954 book by Rufus Turner, this amplifying step with PT2A transistors provides an...