An article in Radio Electronics magazine from November 1958 showed the construction of this tube audio oscillator. Note the use of lamps as a stabilizer to obtain better sinusoidal signals.
We found this circuit that was part of a teaching set in a Radio Electronics magazine from June...
This circuit generates control signals for stepper motors. We found it in a 90s Popular...
This circuit was originally found in a 1968 publication. In the current version, a source must be...