Once the necessary performance and functionality of the circuit have been verified, the analysis is available for further investigation as needed. By using the standard SPICE analysis technology, detailed benchmarks and characteristics, such as the passband of a filter or the study of harmonics, can be created. Analyzes such as AC analysis, Fourier analysis, noise analysis, worst-case analysis, Monte Carlo analysis are available. All these options allow a variety of “what-if” scenarios to be played comfortably on the PC. When the required components have been placed in Multisim and wired, the task is to examine the circuit. The tool offers the possibility, in particular through “virtual instruments,” to investigate circuits based on really quickly and intuitively. For this, measuring instruments such as function generator, 2-channel and 4-channel oscilloscope, multimeter, Bode plotter, spectrum analyzer, current clamps, and much more are available. The virtual measuring instruments offer the possibility to investigate circuits without many configurations – as is usual in reality. With the frequency generator, for example, the input signal of an amplifier circuit could be generated and visualized with the oscilloscope, the output signal. Using either the soft front panel or the LabVIEW API, students can provide a constant signal for basic applications or a changing signal over time for more complex analysis. Industrial customers come, for example, from device development, test equipment construction, automotive, research, medical technology, or the military. NI Multisim includes a database of components from leading semiconductor manufacturers such as Analog Devices, National Semiconductor, Linear Tech, and Texas Instruments, and offers mixed-mode simulation. With this feature, both analog and digital components can be simulated in combination. In the first step of the circuit development, it may be useful to evaluate the component behavior, to decide as to which component with its specific characteristics for the respective task is most likely in question. Function Generator Easily generate common or arbitrary signals to drive circuits and test components with the 2-channel 100MS/s function generator. I have successfully simulated 2 circuits so far using Multisim. It must include a switch for the type of wave (sine,triangular,square) and also a switch to vary frequency. I must first simulate this or many examples/types of function generators using the Multisim sotware. The next logical step in the development of the SPICE simulation was the graphical abstraction for the user. This is where the Multisim development environment comes in. Formerly known as Electronics Workbench, Multisim was acquired by National Instruments in 2005 and has been developed and maintained ever since. Multisim is used in education and teaching, such as universities, colleges, or vocational and technical schools, as well as in research and industrial development for the simulation of circuits of analog and digital technology. This can be either using Op amps, IC timers or Function Generator IC's.
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