This unijunction transistor circuit was found in Radio Electronics magazine from July 1968. The circuit operates up to approximately 100 kHz depending on C1.
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...