This circuit was found in a 1980s documentation for amateur radio. The circuit is for 9 MHz signals and values in parentheses for FI of 455 kHz. The circuit can be adapted to other frequencies.
We found this circuit in an old publication on oscilloscopes. Its purpose is to observe the Ie /...
This is another one of the many versions of electronic data that we have on this website. Once...
Found in documentation for radio amateurs of the 70's, this circuit generates signals from 18 to 24...