The source terminal, labeled as Output-C, is the output of the AND gate. The MOSFET in the circuit is either ... Figure 3 Two-input NAND gate (a), and MOSFET realization (b) For a more analog MOSFET ...

Here is a great collection of touch switch circuits. A touch switch is an electronic device that enables us to control a circuit by simply touching a sensor. Simple touch switch circuit with 4011 – ...