Found in a 1967 Electronic Design, this circuit can detect pulses as narrow as 0.2 us. Active components can be replaced with modern equivalents.
This circuit adjusts the drained current to values up to 20 A, allowing the testing of power...
We found this circuit in the October 1980 issue of Radio Electronics magazine. The circuit uses...
The microphone for this circuit, found in a 1967 Japanese documentation, must be ceramic or...