What's diffrence between pspice and Hspice ?

[tmdtmd39]

What's diffrence between pspice and Hspice ?
Can I use Hspice in PCB simulation?
Thanks!

 

[aze]

SPICE is a powerful general purpose analog circuit simulator that is used to verify circuit designs and to predict the circuit behavior. This is of particular importance for integrated circuits. It was for this reason that SPICE was originally developed at the Electronics Research Laboratory of the University of California, Berkeley (1975), as its name implies: Simulation Program for Integrated Circuits Emphasis.


PSpice is a PC version of SPICE (MicroSim Corp.) and HSpice is a version (Avant!.) that runs on workstations and larger computers. PSpice (http://www.seas.upenn.edu/~jan/spice/spice.guide.html#PSPICE) is available on the PCs in the SEAS PC computing Labs and HSPICE (http://www.seas.upenn.edu/~jan/spice/spice.guide.html#hspice) is available on ENIAC or PENDER. A complete manual of the Avant! Star- HSPICE (pdf document) is available as well (**broken link removed**).

*SPICE can do several types of circuit analyses. Here are the most important ones:



-Non-linear DC analysis: calculates the DC transfer curve. -
-Non-linear transient analysis: calculates the voltage and current as a function of -- time when a large signal is applied.
-Linear AC Analysis: calculates the output as a function of frequency. A bode plot is generated.
-Noise analysis
-Sensitivity analysis
-Distortion analysis
-Fourier analysis: calculates and plots the frequency spectrum.
-Monte Carlo Analysis

In addition, PSpice has analog and digital libraries of standard components (such as NAND, NOR, flip-flops, and other digital gates, op amps, etc). This makes it a useful tool for a wide range of analog and digital applications.

All analyses can be done at different temperatures. The default temperature is 300K.

The circuit can contain the following components:


-Independent and dependent voltage and current sources
-Resistors
-Capacitors
-Inductors
-Mutual inductors
-Transmission lines
-Operational amplifiers
-Switches
-Diodes
-Bipolar transistors
-MOS transistors
-JFET
-MESFET
-Digital gates (PSpice, version 5.4 and up)

 

[flatulent]

There are two main differences.

Hspice has the ability to use more FET models that are more accurate, especially for short channel devices and small geometries.

The other area is in the user selectable parameters for improving convergence. Pspice does the parameter selection automatically and sometimes does the wrong selection. Hspice allows the user the ability to select all of them. It takes more user skill but converges on more circuits.

 

[Neo_82]

Hspice is a more powerfull tool for the mixed signal simulation that SPICE. it gives you a lot af option and parameter of the diferent devices for a more real simulation performance and convergence.

 

[Karthikeya]

even i had this question in mind....thnkz to flatulent ,Neo_82 and others

also one more question
is it true tht Cadence follows PSPICE and Synopsys HSPICE?
i read it in some magazine

 

[icon]

spice is a simulation tool for CMOS Transistors .H spicedoes nt support PCB simulations .it is an simulation tools for different models of transistors.
Hspice is more accurate than PSpice .
Hspice has more characterisation options like Measure statements,Set up time,Hold time measurements and Leakage Power than Pspice

 

[jimjim2k]

Hi

Fine Convergence control in hspice is a major key.

tnx

 

[dog1357]

is that mentographics and candence are high level spice software? as they have some common term