A single SPST bilateral/analog switch made from mosfets. This acts similar to a low-current relay, but it is solid state. The NMOS allows current to flow from top to bottom, while the PMOS allows current to flow bottom to top.
Note this will not work with discreet fets, as they have body diodes. Trying this with discreet fets will lead to an always-on switch, which is pretty useless.
