Editing Circuit (section)

== Science and technology ==

=== Electrical engineering ===
* [[Electrical circuit]], a complete electrical network with a closed-loop giving a return path for current 
** [[Analog circuit]], uses continuous signal levels 
** [[Balanced circuit]], paths are impedance-matched
** [[Circuit analysis]], the process of finding the voltages across, and the currents through, every component in an electrical circuit
** [[Circuit diagram]], a graphical representation of an electrical circuit
** [[Digital circuit]], uses discrete signal levels
** [[Electronic circuit]], contains "active" (nonlinear) electronic components capable of performing amplification, computation, and data transfer
*** [[Asynchronous circuit]], or self-timed circuit, a sequential digital logic circuit that is not governed by a clock circuit or global clock signal
*** [[Integrated circuit]], a set of electronic circuits on a small "chip" of semiconductor material
**** [[Mixed-signal integrated circuit]], contains both analog and digital signals
*** [[Synchronous circuit]], a digital circuit in which the changes in the state of memory elements are synchronized by a clock signal
** [[Printed circuit board]], on which electronic components are supported and connected using copper tracks on a non-conductive substrate
** [[Series and parallel circuits]], two ways in which electrical components may be interconnected
** Simple filters, including:
*** [[LC circuit]] or tank circuit, consisting of an inductance and a capacitance
*** [[RC circuit]], comprises a resistance and a capacitance
*** [[RL circuit]], comprises a resistance and an inductance
*** [[RLC circuit]], comprises a resistance, an inductance, and a capacitance
** [[Telecommunication circuit]], on which information is transmitted
** [[Nonlinear circuit]], a circuit with nonlinear elements.

=== Mathematics and computer science ===

* [[Circuit (computer theory)]], a theoretical structure simulating electrical and data paths
** [[Boolean circuit]], a mathematical model for digital logic circuits
** [[Integer circuit]], a mathematical object of computational complexity
* [[Circuit complexity]], a branch of computational complexity theory
* [[Cycle (graph theory)]], a closed path, with no other repeated vertices than the starting and ending vertices
* [[Circuit of a matroid]]

=== Other sciences ===
* [[Biological neural network]], in neuroscience
* [[Hydraulic circuit]], in fluid mechanics
* [[Magnetic circuit]], in physics, one or more closed loop paths containing a magnetic flux
* [[Monetary circuit theory]], a heterodox theory of monetary economics, also called ''circuitism''
* [[Pneumatic circuit]], in fluid mechanics
* [[Synthetic biological circuit]], in synthetic biology