Suggested by Maxim in documentation from the 90s, this circuit has its response curve given next to the diagram as well as the formulas for the component calculations.
Found in a 1967 Electronic Design, this circuit can detect pulses as narrow as 0.2 us. Active...
We found this circuit in the May 1970 issue of Radio Electronics magazine. The maximum frequency...
This flasher was found in the September 1984 Radio Electronics magazine. The frequency is given by...