This 3-decade operating range VCO was found in a 90s Popular Electronics. The circuit uses components that admit of equivalents.
This circuit with 5 V power was suggested by Motorola's Linear Databook of 1990. The circuit has...
With an optodiac we have the circuit of the figure, suggested by MotoroIa, in which we do the...
Created to serve as a booster for TV signals in the UHF band, this circuit was found in the March...