The purpose of this circuit is to check the linearity of SSB amplifiers. The circuit was found in an old documentation for hams. The diode is a general purpose detector type.
The circuit presented is from an old magazine having been translated and published in a national...
With this name, we found this electronic stethoscope with a coal microphone in a 1957 Raytheon...
This circuit should be placed between a turntable and recorder or playback media from the input to...