Found in a Linear Technology documentation from the 1990s, this circuit has the voltage adjusted by resistors R1 and R2 according to the formula given in the diagram.
This circuit was found in an American publication in 1966. The circuit uses a general-purpose FET that...
This circuit has no lock, but it has a very low consumption feature in the standby condition. We...
This is the typical circuit of a local oscillator for a superheterodyne FM receiver. The circuit...