We find this circuit in an Electronic Design of the 90s. The used integrated circuit admits equivalents and next to the diagram are given the formulas for the calculation of the components used.
This interesting sensor for RF signals was found in an article in the June 1989 Radio Electronics...
The frequency of this oscillator depends on the inductor and capacitors in parallel with it. In...
This circuit was found in RCA and General Electric documentation from the 1980s. The circuit has...