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  2. Operational amplifier applications - Wikipedia

    en.wikipedia.org/wiki/Operational_amplifier...

    "Handbook of operational amplifier applications" (PDF). (2.00 MiB) – Texas Instruments Application note; Low Side Current Sensing Using Operational Amplifiers Archived 2009-04-08 at the Wayback Machine "Log/anti-log generators, cube generator, multiply/divide amp" (PDF). Archived from the original (PDF) on 2008-05-09. (165 KiB)

  3. Operational amplifier - Wikipedia

    en.wikipedia.org/wiki/Operational_amplifier

    An operational amplifier (often op amp or opamp) is a DC-coupled electronic voltage amplifier with a differential input, a (usually) single-ended output, [1] and an extremely high gain. Its name comes from its original use of performing mathematical operations in analog computers .

  4. Operational transconductance amplifier - Wikipedia

    en.wikipedia.org/wiki/Operational_trans...

    The operational transconductance amplifier (OTA) is an amplifier that outputs a current proportional to its input voltage. Thus, it is a voltage controlled current source (VCCS). Three types of OTAs are single-input single-output, differential-input single-output, and differential-input differential-output (a.k.a. fully differential), [ 1 ...

  5. Op amp integrator - Wikipedia

    en.wikipedia.org/wiki/Op_amp_integrator

    The operational amplifier integrator is an electronic integration circuit. Based on the operational amplifier (op-amp), it performs the mathematical operation of integration with respect to time; that is, its output voltage is proportional to the input voltage integrated over time.

  6. Current-feedback operational amplifier - Wikipedia

    en.wikipedia.org/wiki/Current-feedback...

    The current-feedback operational amplifier (CFOA or CFA) is a type of electronic amplifier whose inverting input is sensitive to current, rather than to voltage as in a conventional voltage-feedback operational amplifier (VFA). The CFA was invented by David Nelson at Comlinear Corporation, and first sold in 1982 as a hybrid amplifier, the CLC103.

  7. Open-loop gain - Wikipedia

    en.wikipedia.org/wiki/Open-loop_gain

    The open-loop gain is a physical attribute of an operational amplifier that is often finite in comparison to the ideal gain. While open-loop gain is the gain when there is no feedback in a circuit, an operational amplifier will often be configured to use a feedback configuration such that its gain will be controlled by the feedback circuit components.

  8. LM13700 - Wikipedia

    en.wikipedia.org/wiki/LM13700

    The LM13700 is an integrated circuit (IC) containing two current-controlled operational transconductance amplifiers (OTA), each having differential inputs and a push-pull output. [1] Linearizing diodes at the input can optionally be used by applying a bias current into I bias to reduce distortion and allow increased input levels.

  9. Signal conditioning - Wikipedia

    en.wikipedia.org/wiki/Signal_conditioning

    Operational amplifiers (op-amps) are commonly employed to carry out the amplification of the signal in the signal conditioning stage. In some transducers , signal conditioning is integrated with the sensor, for example in Hall effect sensors .