We found this circuit in a Radio Electronics from October 1963. The circuit uses an output transformer with a center tap. The trimpot is adjusted for higher gain and lower quiescent current.
We found this circuit in a 1998 documentation. It generates a musical melody tone obtained from a...
With this circuit, it is possible to excite a white LED or another type of high brightness with...
This circuit was obtained from an Electronic Design of 1968. The circuit uses components of the...