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Recent content by ANALA

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    How do I verify Model(equation) using MATLAB for a CMOS circuit?

    The circuit has around 900 MOSFETs...So just running one equation wouldn't work...Then it would be the case of a simple CMOS inverter which has one PMOS and NMOS...
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    How do I verify Model(equation) using MATLAB for a CMOS circuit?

    I have a set of equations...Basically I want to verify these equations in MATLAB for a CMOS 8*8 multiplier.
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    How do I verify Model(equation) using MATLAB for a CMOS circuit?

    I want to verify the model for the same multiplier circuit...Most of the literature works have stated that model verification is done using MATLAB...So how do i verify the model?
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    How do I verify Model(equation) using MATLAB for a CMOS circuit?

    I have a multiplier circuit simulated using LTspice..I would wish to verify new set of delay equations for the same multiplier circuit using MATLAB...How can I do this?
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    How do I extract fitting parameters using SPICE?

    Yes vth is the independent parameter...I have come across that we can plot graph (extract values using SPICE) and then use curve fitting tool in matlab...any idea about this ? Note: this is not the exact equation..quoted it as a small example
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    How do I extract fitting parameters using SPICE?

    Given a leakage power equation P=a0 + (a1+a2)*vth^2 where a0,a1,a2 are the fitting parameters and vth is the threshold voltage. How do I extract these values through SPICE?
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    NAND gate in subthreshold regime

    Assuming input of bottom transistor (NMOS) of NAND gate is held at VDD and upper transistor (NMOS) switches from 1-0 , what should be the current equation that must be substituted for Isub in the equation delay= C*V/Isub .. As per my knowledge, one of the PMOS transitors will be conducting and...
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    Variability at the 32nm nodes in subthreshold regime

    Variability at 32nm node in subthreshold regime Greetings, Can threshold voltage and gate length be varied concurrently ?Is it possible to consider simultaneous 3 sigma variations for both these parameters during modeling? Or these two parameters correlated (correlation coefficient must be...
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    CMOS Inverter Worst case and best case delay analysis

    and what if the SS and FF model files are not available?
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    CMOS Inverter Worst case and best case delay analysis

    So once i get the SS and FF model files, is that using thses model file i just need to run my simulations? - - - Updated - - - I have downloaded 32nm models for TT, FF,and SS from ptm website(http://ptm.asu.edu/). I want to test these on a cmos inverter using LTspice. Kindly tell me how should...
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    CMOS Inverter Worst case and best case delay analysis

    Greetings, I have simulated a CMOS inverter in LTspice using the following specifications Supply voltage 0.2V NMOS & PMOS Length(L)=32n NMOS Width(W) =32n PMOS Width(W) =64n NMOS Drain/Source Area=2f PMOS Drain/Source Area=4f NMOS Drain/Source Perimeter=192n PMOS Drain/Source...
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    [SOLVED] Error in LTspice simulation

    Greetings, I m trying to generate gaussian distribution for length of NMOS and PMOS device...But simulation throws an error...How do i resolve this issue?I have attached the .asc file and model file which i m working on..
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    [SOLVED] Sub-threshold Slope Factor

    I m using 32nm V2.0 Bulk CMOS PTM model file... vt= 26e-003; %thermal voltage% eo= 8.854e-14; %permittivity of free space% er= 3.9; % relative permittivity of Silicon dioxide% toxe= 7.5e-010; %electrical oxide thickness% eox= eo*er; %permittivity of Silicon dioxide% cox=...
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    MC Gaussian distribution for inverter threshold voltage

    I need to overlap the MC gaussian distribution for threshold voltage generated using MATLAB and LTspice..If i use the same mean value(i.e 0.3558) and sigma value(3*sigma=10% i.e sigma=0.0333) for both my simulations then MATLAB distribution is much more wider than LTspice distribution..On the...
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    [SOLVED] Sub-threshold Slope Factor

    Sub-threshold slope factor is given by : [1+ Cd/Cox] Cd = depletion capacitance Cox= oxide capacitance How to calculate the Sub-threshold slope factor for different technology nodes? I m able to substitute for Cox but i don't know how to calculate Cd...i m using the basic inverter circuit
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