通過SPICE交互式仿真探討了一些運算放大器電路。主題包括反相和非反相設計，以及峰值探測器。Chapter 5 of the NI Multisim Fundamental Circuits series investigates a number of operational amplifier circuits with interactive SPICE simulation. Topics include inverting and non-inverting designs, as well as peak detectors. Download the circuits in the zip file attached below.

The following circuits are available for download and use in NI Multisim 10 and above.
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?047? Inverting Amplifier.ms10
?048? Inverting Amplifier with AC Input Signal.ms10
?049? Non-Inverting Amplifier.ms10
?050? Non-Inverting Opamp Circuit.ms10
?051? Opamp Comparator
?052? Bounded Comparator.ms10
?053? Double-Bounded Comparator.ms10
?054? Window Detector.ms10
?055? Schmitt Trigger.ms10
?056? Nonzero-Level Detector.ms10
?057? Inverting Postive- Voltage Detector.ms10
?058? Postive-Voltage Detector.ms10
?059? Inverting Adder.ms10
?060? Non-Inverting Adder.ms10
?061? Opamp Differentiator.ms10
?062? Basic Differential Amplifier.ms10
?063? Opamp Common-Mode Rejection.ms10
?064? Basic Differential Amplifier with Sensing Terminals.ms10
?065? Common-Mode Voltage Amplifier.ms10
?066 Triangular-Wave Generator.ms10
?067? Triangular-to-Sine-Wave Generator.ms10
?068? Dead-Zone Circuit with Negative Output.ms10
?069? Dead-Zone Circuit with Positive Output.ms10
?070? Bipolar Dead-Zone Circuit.ms10
?071? Peak Detector.ms10
?072? Precision Clipper.ms10
?073? Precision Full-Wave Rectifier.ms10
?074? Basic Shunt Regulator.ms10
?075? Basic Opamp Series Regulator.ms10
?076 Short Circuit or Overload Protection.ms10
?077? Current-to-Voltage Series Regulator.ms10
?078? Voltage Follower.ms10
?079? Digital-to-Analog Converter.ms10
?080? Servo Amplifier.ms10
?081 Subtractor.ms10
?083 Opamp Integrator.ms10?