Questions tagged [hspice]

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Hspice to Ltspice conversion

Has anyone had any luck converting Hspice or IBIS model files to formats LtSpice can use? Any help much appreciated, thank you!
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0answers
82 views

Simulating a big circuit for a huge number of times

What is the best way to simulate a big circuit for a huge number of times? I have a big resistive network (lets say 100x100). I want to run it about 10 million times. What is the best way for that? ...
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0answers
18 views

verilog-ams contribution statement in while loop

I have a problem with the contribution statement in while loops. I write the following verilog-a code. ...
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0answers
32 views

How to implement a switch in spice? [duplicate]

I have designed a circuit where I want to give a pulse of very short duration using a switch. How can I implement it in spice.
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0answers
34 views

What is the minimum value of voltage and current that HSPICE can measure?

I am using HSPICE for my simulations. I want to make sure HSPICE is measuring the minimum value of current and voltage correctly. What are those values? How can I set them?
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1answer
183 views

HSPCIE Default Value for Float Nodes

I have M inputs. I want to connect m of them to Vdd and leave other nodes floating. I know that in real experiments the floating nodes can get any value between 0 and Vdd. I was wondering how HSPICE ...
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1answer
15 views

How can I change decimal place in HSPICE?

Currently, the numbers in xxx.mt0 file are with 3 decimal place (example: 1.331e-07). I was wondering if I can set a flag in .sp file to increase the accuracy.
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1answer
1k views

HSPICE - Probing Current of an Element Defined By SUBCKT

For a regular resistor model, to plot I-V curve, I write: R1 m0 m1 1 .probe DC i(R1) Then, I open CSCOPE. i(R1) is listed. By ...
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1answer
545 views

Measure CMRR of amplifier in a single HSPICE simulation?

So far I measured CMRR by first obtaining the open loop gain and exporting the wave, and then doing the same with the AC source in common mode, but this adds the need for additional software, and make ...
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1answer
180 views

How to plot 40GB hspice output?

I don't know other software to plot the file and get results put into the report. Matlab hspice toolbox is good for small size files, but I am not sure it is fine with large size ones. Can I plot ...
0
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1answer
84 views

Hspice DC simulation Help [closed]

I new to hspice, i searched on the hspice docs, but still cannot clear about this option. What does this option actually effect on simulation. .param dummy=1 .dc dummy 1 1 1 Please help me on ...
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1answer
2k views

how to use PTM corner models in hspice

I have downloaded 65nm models for TT, FF,and SS from ptm website(http://ptm.asu.edu/). I want to test these on a cmos inverter using hspice. Kindly tell me how should i proceed. It is for the first ...
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13 views

Hspice derivative measure

Is it possible to measure value of input voltage at a point when derivative of output voltage with respect to input voltage equals some value? P.s. The analysis done is DC. The input voltage is the ...
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0answers
15 views

Hspice : find max of measurement result in Hspice

i need to calculate efficiency of a circuit for diffrent parameters and then, find MAX of these efficiencies in Hspice.( also related parameters that refers to it) i ran i .DATA transient simulation,...
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0answers
121 views

Transient Noise Analysis in HSPICE using Monte Carlo simulation while preserving process variation

I want to analyze the effect of noise on a simple transistor circuit using HSPICE, while maintaining process variation. The basic setup is as follows: The HSPICE models for the transistors are ...
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2answers
85 views

Hspice does not give correct energy consumption for a RC circuit connected to a DC supply

Here is the circuit I am trying to simulate - a RC circuit driven by a DC voltage source. I measure the output across the capacitor. Assume Voltage source is 1 V. Assume capacitor is 1fF. Case 1: ...
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2answers
173 views

Monte Carlo Simulation In Python instead of HSPICE

Suppose I have a resistor and I want to simulate process variation on it. When I was reading online, I noticed that Monte Carlo simulation is used for this purpose. I also noticed that HSPICE has ...
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1answer
52 views

How to simulate a component hspice model in multisim

I'm trying to simulate TS5A22364 and they have hspice and ibis models, and CAD model .bxl in Multisim. Is it possible? I have tried to add the package model but I don't know how to add the .bxl model ...
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1answer
215 views

HSPICE -mp -mt options for Ubuntu

I was reading part of the hspice tutorial, I found that, there is a multiprocessing option: "hspice -mp [process_count] -mt [thread_count] -i input.sp -o output_file" "Note: Running both MP and MT ...
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0answers
129 views

Using MATLAB instead of HSPICE

I need to run a big circuit for thousands of times. Therefore, I am looking for a fast way. I was wondering if MATLAB has any toolbox that can be used instead of HSPICE. When I searched online, I saw ...
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28 views

HSPICE Circuit Size Limitations

I want to run big circuits by HSPICE. Does HSPICE have any limitations? (for example on number of nodes)
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1answer
195 views

Hspice subckt naming convention

I have a subckt def: .subckt test_L1.2u_W0.14u x y . . . . . . .ends test_L1.2u_W0.14u I define another subckt which calls the above subckt ...
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1answer
710 views

no convergence in dc sweep curves [closed]

I have a question. I'm trying to simulate a ring oscillator with variation on Vth ,..., in hspice, but I get no convergence in dc sweep curves error. I tried some of solutions to convergence, but have ...