Pspice files for guitar effects

For example, consider an asynchronous data change on the input to flip-flop FF1 in Figure below. In a hardware implementation, the output of FF1 may or may not change. However, some designs are not sensitive to this individual missed data because the next clock edge e2 in this example latches the data. The designer must judge the significance of timing errors, accounting for the overall behavior of the design. What is the PSpice Model Editor? Files needed for simulation Files that design entry tool generates Other files that you can configure for simulation Files that PSpice generates Directory structure for analog projects in Capture How are files configured at the design level maintained in the directory structure for analog projects?

How are files configured at the profile level maintained in the new directory structure for analog projects? What happens when I convert an analog project that uses a design from another project or from another location?

How are models organized? Musicians have a fantastic language to describe signals. A sound can be fat, dark, crunchy, punchy — the list goes on. To undergo such an investigation, [Nash Reilly] has been simulating guitar effects pedals in LTSpice.

Able to find most of the schematics he needs online, [Nash] breaks down the function of each part of the circuit and builds a simulation of the entire system. Anybody who wants to try their hand at creating simulations can grab a copy of LTSpice , or check out a package called LiveSpice , which lets you simulate circuits in realtime and use them to process live audio — pretty useful for prototyping guitar effects. But no one supports 3rd party models per se, they are 3rd party, and its a chore regardless.

If I recall correctly, Linear Technology developed LTSpice to effectively model switching power supplies, and the optimizations they made for power supplies hurt other types of circuits. I had wanted to try this years ago but my EE friends told me to not bother due to lack of computing power back then to output audio in a reasonable time frame.

Many VST plug-ins for pro and semi-por audio already do this for classic circuits. I used ngspice to simulate the Maestro Fuzz Tone a while back, based on the Snoddy patent. The tricky bit was getting a good model for the germanium transistors. My favourite effect remains what sounds like a divide by 2 or 4 presumably using a J-K flip flop or two, which turns a bass guitar into a sharper sound, but one or two octaves lower.

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