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Op Amp IC Circuits (Operational Amplifier)

Electronics, Instrumentation Design and Engineering

Op Amp (Operational Amplifier) IC Circuits Electronic Engineers Mini-Notebook
Forrest M. Mims III
52 Pages

Op Amp IC Circuits Electronic Engineers Mini-Notebook
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The Operational Amplifier or Op-Amp is a high performance linear amplifier with an amazing variety os amplification The Op-Amp has two inputs, inverting (-) and non-inverting (+), and one output. The polarity of a signal applied to the inverting input is reversed at the output. A signal applied to the inverting input is reversed at the output. A signal applied to the non-inverting input retains its polarity at the output.

The gain (degree of amplification) of an Op-amp is determined by a feedback resistor that feeds some of the amplified signal from the output to the inverting input. This reduces the amplitude of the output signal, hence the gain. The smaller the resister, the lower the gain.


  • Powering of Op-Amps
  • Op-Amp Specifications
  • Circuit Assembly Tips
  • 741C Op-Amp
  • 1458 Dual Op-Amp
  • 339 Quad Comparator
  • 386 Audio Amplifier
  • Basic Inverting Amplifier
  • Unity Gain Inverter
  • Non inverting Amplifier
  • Transconductance Amplifier
  • Transimpedance Amplifier
  • Single Supply Amplifier
  • Audio Amplifier
  • Summing Amplifier
  • Difference Amplifier
  • Dual Supply Integrator
  • Single Supply Integrator
  • Dual Supply Differentiator
  • Single Supply Differentiator
  • Peak Detector
  • Inverting Clipper
  • Bistable RS Flip Flop
  • Monostable Multivibrator
  • Basic Comparator
  • Basic Window Comparator
  • B-Step Sequencer
  • Bargraph Voltmeter
  • Light Activated Relay
  • Light Activated Alerter
  • Dark Activated Alerter
  • Light Sensitive Oscillators
  • High Sensitivity Light Meter
  • Sound Activated Relay
  • Percussion Synthesizer
  • Piezo Element Driver
  • Low Pass Filter
  • High Pass Filter
  • 60 Hz Notch Filter
  • Mini Color Organ
  • Square Wave Generator
  • Sine Wave Generator
  • Function Generator
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