This filter was found in Exar documentation from the 1980s. The circuit has an attenuation of 60 dB at the selected frequency. The power supply must be symmetrical.
The circuit shown in the figure can generate signals up to 1.6 GHz. Coil L1 and capacitor C2 are...
This circuit was obtained in documentation from the 1980s. The triac and the unijunction support...
Although the author of this circuit indicates a power that he does not really have, considerable...