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How can a designer be sure to authorize only legit ICs? How is performed? How are cloned ICs prevented to be activated?

The above diagram is from the IC Activation (locking/unlocking) slide of Fighting against theft, cloning and counterfeiting of integrated circuits by Lilian Bossuet Associate Professor, CNRS Chaire of ...
allexj's user avatar
  • 55
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2 answers
246 views

Netlisting errors in Pspice "ERROR(ORNET-1163): Unable to create netlist file."

I'm simulating a simple BiCMos Darlington Circuit from the "Analysis and Design of Analog Integrated Circuits" book in Pspice Orcad Software. I don't know why when I'm trying to run the ...
Nima_Ebr's user avatar
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1 answer
73 views

Errors in Schematic made in Altium Designer

I am using Altium Designer as ECAD tool for first time to create the schematics. There are few errors which are popping up and I don't know how to get rid of those errors. First one is regarding HI ...
Alison's user avatar
  • 347
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1 answer
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Help on LM324 SUBCKT model [closed]

I'm newbie in ngspice and having a hard time to understand the LM324 models downloaded from various sources. Made an example with 4 different instances to demonstrate my doubt. The idealOpAmp works as ...
Frederico Carlos Wilhelms's user avatar
1 vote
1 answer
66 views

Understanding netlist IF statements

I`m reviewing this paper on how to do SPICE modelling for an FG transistor: https://digital-library.theiet.org/content/journals/10.1049/el.2011.0458 Inside there is a figure provided: I`m completely ...
starboy's user avatar
  • 91
1 vote
0 answers
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How to set sizes of ASAP7nm transistors in NGSPICE (or HSPICE)

I want to write a netlist of a basic two-stage amplifier using the ASAP 7nm predictive technology and simulate it using NGSPICE. There are some useful instructions and files in this question. However, ...
Mohsen Mokrian's user avatar
0 votes
2 answers
145 views

Do HDL synthesizers "optimize code", more or less as compilers do?

I'm implementing a pipelined CPU in SystemVerilog. I need to propagate datapath signals from one pipeline stage to the next but, of course, not all stages produce the same number of signals. To keep ...
Dan's user avatar
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2 answers
210 views

Missing nets in PCB editor

I designed a schematic in KiCad 7.0.8, have verified that I have foot prints assigned to all components and when I hit F8, it switches over to the PCB editor, I get the "Changes To Be Applied&...
stdcerr's user avatar
  • 185
2 votes
1 answer
220 views

SPICE netlist standard?

Is there an official IEEE or other standard for SPICE netlists? I have tried to find one and not found it. My friends and I are interested in building parsers of netlist files as input. I understand ...
Justin JRTI's user avatar
1 vote
2 answers
2k views

Are the Spice models for the TL082 and TL084 wrong?

I am working on a simple phase-lag circuit schematic using LT Spice, and, due to some project specifications, would like to simulate the behavior of the circuit specifically with FET-Input Operational ...
João Luiz's user avatar
3 votes
1 answer
412 views

How do I perform a basic op-amp DC sweep analysis in LTspice?

I want to simulate a simple approximation of an op-amp with an LTspice netlist, as required by my professor. Circuitlab allowed me to confirm that this circuit outputs -2×Vin at node 003, but I can't ...
none none's user avatar
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1 vote
1 answer
62 views

How can I DC analyze these values in netlist simulation

For my lab report I have to DC analyze a circuit for these specific VDD values. Is there any way to get simulation output for just these values? Because when I write .DC VDD 0.2V 10V 0.2V or .DC VDD 0....
umutcankalayci's user avatar
3 votes
1 answer
610 views

Interacting with SPICE netlists using PySpice

I am trying to come up with a generic Python program that I can use to simulate different simple electronic circuits. The actual idea is to programmaticaly change parameters and do Montecarlo analyses....
Guarneer's user avatar
  • 143
2 votes
1 answer
579 views

Netlist compatibility between Ngspice & LTspice

I am running LTspice in batch mode on my Windows. However, I am now migrating to Linux, where the alternative to LTspice is Ngspice. The problem I am facing is the following: In my LTspice netlist I ...
Wallflower's user avatar