Exponential source in pspice for mac

Pspice by cadence design systems, inc is a native analog and mixedsignal circuit simulator. Pspice voltage source from file part 1 of 2 youtube. In ltspice, the humble voltage source rarely gets to demonstrate its. Ltspice features a double exponential function exp that is ideal for modeling transients via a voltage source.

Macspice requires a textfile description of the circuit as input. Create a pspice voltage source that references a file as its source, learn how to make it repeat and then use the results from pspice to make a more complex input waveform. The second waveform highlights the rise time portion. Input to cider consists of a spicelike description of the circuit and its compact models, and. The following sources are available in spice simulation. Macspice then builds a numerical model of the circuit and analyses this. Nearly all circuits that you simulate need a voltage source of some kind. If you find yourself in the posture of not understanding a bit of what your professor is teaching you in circuit theory class, then you should definitely try. Ltspice tutorial wilfrid laurier university physics labs.

Spice simulators do not like invisible or junk characters in its source file. A floatingpoint number can be followed by an integer exponent or one of the. The vexp voltage source generates a waveform as shown in figure 5, where tc1 and tc2 are the time constants of the rising and falling exponentials, respectively. If that doesnt suit you, our users have ranked 28 alternatives to pspice and ten of them are available for mac so hopefully you can find a suitable replacement. Explore 8 apps like pspice, all suggested and ranked by the alternativeto. Model library pspice model library includes parameterized models such as bjts, jfets, mosfets, igbts, scrs, discretes, operational amplifiers, optocouplers, regulators, and pwm controllers from various ic vendors. Absolute temperature t appears explicitly in the exponential terms of the bjt and.

Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice lite software. The most popular mac alternative is circuit simulator, which is both free and open source. Pspice student is an analog circuit simulator that was specially designed for electrical engineering students in need of simulating circuits and of solving circuitsrelated calculations. There are are some files one can use to add to their pspice library pspice models download.

Users may prepare netlists with a text editor, or derive them from a circuit diagram using a thirdparty schematiccapture application. Vexp exponential voltage source model online documentation. Pspice is not available for mac but there are some alternatives that runs on macos with similar functionality. Anyway, if you were looking for pspice for mac, you can try these applications, as these circuit simulators are also quite handy and have similar functions and features. Ngspice users manualversion 31 plusdescribes ngspice master. Spice source types and parameters national instruments. Exponential waveform a voltage pulse or pulse train can be applied as an independent source in pspice using vexp. Pspice model library includes parameterized models such as bjts, jfets, mosfets, igbts, scrs, discretes, operational amplifiers, optocouplers, regulators, and pwm controllers from various ic vendors. Spice is a generalpurpose circuit simulation program for nonlinear dc, nonlinear. The exp type of source is an exponential voltage, illustrated here.