This circuit can be used to generate percussion sounds such as bell, triangle, etc. The circuit must be powered by symmetrical source and the triggering is by external pulse.
We found this circuit in an old American publication. It is possible to test common FETs using a...
This General Electric circuit is from the 80's. The PUTs used in this meter are not common...
This simple CMOS circuit generates two-frequency signals for use as a signal injector. The circuit...