We found this circuit in an English publication from 1969. The circuit uses transistors from the time and can operate at frequencies up to 300 MHz. Observe the waveforms of the obtained signal.
Found in an old English publication this circuit uses a dual gate MOSFET. Coils not specified....
An oscillator that can be frequency controlled by a resistive sensor is shown in the figure. The...
Using a 741 op amp with symmetrical source, this circuit was found in a 1982 documentation. The...