If a particular switch card with no backplane connection is installed in a slot of the mainframe, it will be electrically isolated from other CARDS installed in the mainframe.
These cells are normally electrically isolated from one another. When the eel locates its prey, it opens a series of cellular gates through which the ions can flow.
dielectrically isolated island
The gate is electrically isolated from the source, and while this provides the MOSFET with its high input impedance, it also forms a good capacitor.
