This circuit was found in a British documentation from 1969. It can be implemented with modern transistors. The pass band is 6 MHz.
February 25, 2015 - Mouser Electronics, Inc. today announced their new Robotics Technology site....
Found in a 90s American documentation, this circuit can be used as a shield, just change the...
The integrated circuits used in this project are double equivalents of the well-known 555. The...