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current-controlled device

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  • Current-to-voltage converter — In electronics, a transimpedance amplifier is an amplifier that converts current to voltage. Its input ideally has zero impedance, and the input signal is a current. Its output may have low impedance, or in high frequency applications, may be… …   Wikipedia

  • Current loop — This article is about the electrical signaling schemes. For the oceanic phenomenon, see Loop current. A current loop describes two different electrical signalling schemes. Contents 1 Digital 2 Analog 3 Process control use …   Wikipedia

  • Current mirror — A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being copied can be, and… …   Wikipedia

  • Current-feedback operational amplifier — Representative schematic of a current feedback op amp or amplifier. The current feedback operational amplifier otherwise known as CfoA or CfA is a type of electronic amplifier whose inverting input is sensitive to current, rather than to voltage… …   Wikipedia

  • Voltage-to-current converter — Introduction For a variety of reasons, in low voltage electronics, voltage is a more frequently used data carrier. Thus electronic devices tend to be labeled with voltage inputs and outputs. However some devices are labeled in terms of current… …   Wikipedia

  • Current source — Figure 1: An ideal current source, I, driving a resistor, R, and creating a voltage V A current source is an electrical or electronic device that delivers or absorbs electric current. A current source is the dual of a voltage source. The term… …   Wikipedia

  • Controlled mines — A Controlled Mine was a circuit fired weapon used in coastal defenses with ancestry going back to 1805 when Robert Fulton termed his underwater explosive device a torpedo: Robert Fulton invented the word torpedo to describe his underwater… …   Wikipedia

  • current transformer — noun : a transformer whose primary carries the whole of an alternating current to be measured or controlled and whose secondary is connected to a measuring or control device …   Useful english dictionary

  • Silicon-controlled rectifier — A silicon controlled rectifier (or semiconductor controlled rectifier) is a four layer solid state device that controls current. The name silicon controlled rectifier or SCR is General Electric s trade name for a type of thyristor. The SCR was… …   Wikipedia

  • Semiconductor device — Semiconductor devices are electronic components that exploit the electronic properties of semiconductor materials, principally silicon, germanium, and gallium arsenide. Semiconductor devices have replaced thermionic devices (vacuum tubes) in most …   Wikipedia

  • semiconductor device — ▪ electronics Introduction       electronic circuit component made from a material that is neither a good conductor nor a good insulator (hence semiconductor). Such devices have found wide applications because of their compactness, reliability,… …   Universalium

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