Found in an Electronic Design from the 90's, this circuit uses common components. The circuit is calibrated at 50º C.
This oscillator was found in the September 1984 issue of Radio Electronics magazine. The frequency is...
In the figure we show how to use an LM324 as a voltage comparator the reference voltage is...
This circuit covers the bands from 1.8 to 150 MHz, with plug-in coils whose characteristics are...