We found this circuit in a 1968 Electronics World. The transistors are from the era and information about the transformer was included. Transistors support current equivalents.
This circuit is suggested by National Semiconductor and can serve as a basis for an excellent...
This is a circuit that should not be used for readers interested in a fair game. The circuit...
A simple version of VCO CMOS using 4049 inverters is shown in the figure. This circuit can be...