Circuit

Circuit may refer to:

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
Circuit (neural network), a computational subgraph within an artificial neural network that performs a specific, interpretable function

Other sciences

Neural circuit, 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

Arts, entertainment, and media

Circuit (film), a 2001 gay-themed film set in the world of gay circuit parties
Mario Kart: Super Circuit, a 2001 Game Boy Advance game and the third game in the Mario Kart series
Circuit (film character), a character from the Indian film series Munna Bhai
Circuit, a character from Power Rangers Time Force
Circuitt, a 2023 Indian Marathi-language action thriller film starring Vaibhav Tatwawadi and Hruta Durgule in lead roles

Church

Circuit (LCMS), a local grouping of congregations in the Lutheran Church–Missouri Synod
Methodist Circuit, a form of church governance in Methodism

Government and law

Circuit (administrative division), an administrative country subdivision in East Asia
Circuit court, the name of court systems in several common law jurisdictions

Sports

Circuit training, a form of high-intensity aerobics
ITF Pro Circuit, pro tennis tours of the International Tennis Federation
- ITF Men's Circuit
- ITF Women's Circuit

Transportation and racing

Circuit (airfield), also called pattern, a standard path followed by aircraft when taking off or landing
Circuit, a race track or one complete traverse of a track
- Formula One circuits (see list of Formula One circuits)
- Kart circuit, a race track designed for kart racing

Other uses

Circuit (software), a collaboration service software by Unify
Circuit, slang for hangouts or events frequented by a given social circle
Circuit party, a gay dance event

Circuit

Science and technology

Electrical engineering

Mathematics and computer science

Other sciences

Arts, entertainment, and media

Church

Government and law

Sports

Transportation and racing

Other uses

See also