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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

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

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

Reference

Self storages Memory devices

See also

• All pages with titles beginning with Circuit
• All pages with titles containing circuit
• Circuital, a 2011 album by My Morning Jacket
• Cirkut
• The Circuit (disambiguation)

• Disambiguation pages