The starter circuit shown in the figure was found in an old European documentation. The circuit makes use of an SCR which is still common and the diac can be of any type.
This circuit makes use of a commercial type current transformer. The circuit is from a 2005 Linear...
This circuit provides a linear attenuation of a signal up to 100 dB. The circuit operates with...
The filter shown in the figure can be implemented with general purpose amplifiers like the 741....