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Questions tagged [verification]

Assurance of satisfiability of all the expected requirements in either software or hardware systems.

4 votes
2 answers
162 views

Circuit Testing, Verification & Certification Standards for Biomedical Devices

Please note: I would have posted this question on HealthIT.SE but they are apparently now closed for business, and I believe this site is the next most appropriate place to ask this. I believe this ...
smeeb's user avatar
  • 797
3 votes
1 answer
221 views

Modelsim - Weird verification problem with DDR and Xilinx UNISIM

I am doing verification of VHDL component using OVM and ran into serious problems. I have found that problem is in one specific component and created environment specifically for it. It's a RGMII to ...
David Novák's user avatar
6 votes
3 answers
4k views

EMC testing vs. EMI testing

What is the difference between EMC testing (Electromagnetic compatibility) and EMI testing (Electromagnetic interference)
Sean McDonnell's user avatar
0 votes
1 answer
451 views

Verifying a Meier Crossfeed Build

I've built a "Bass Enhanced Crossfeed" from a kit, which I believe is based on Meier's Crossfeed design. I prototyped it first on a breadboard, forgot to ground the output jack because it wasn't ...
rrauenza's user avatar
  • 291
2 votes
2 answers
362 views

Of what real, practical use is electronics certification?

I am brand new to EE/ECE and am aware that companies such as UL offer a gammit of services such as: Circuit verification (they verify your schematic does what its supposed to do and doesn't have any ...
smeeb's user avatar
  • 797
5 votes
3 answers
413 views

Testing paradigms for consumer electronics [closed]

I am brand new to EE/ECE (my background is software) and I am curious about how real-world electronics testing takes place. In software, there are many different types of tests that a piece of code ...
smeeb's user avatar
  • 797
1 vote
1 answer
2k views

Error Loading Design Unresolved Reference

DUT: module ANDgate(a, b, c); input a; input b; output c; assign c = a & b; endmodule TESTBENCH: Without task ...
Dragonald Valenciano's user avatar
1 vote
1 answer
944 views

Where should I instantiate the DUT object, in the testbench file or in the task?

I am making a testbench in Verilog where it will call different test cases from different modules: each module, one test case/task. Where should I instantiate the DUT object, in the testbench file or ...
Dragonald Valenciano's user avatar
0 votes
1 answer
118 views

What do the following terms mean for verification engineers?

When it comes to verification of digital circuits, what is the difference between the meaning of the following terms: What is the difference between specification and requirement? What is the ...
quantum231's user avatar
4 votes
2 answers
3k views

How to convert Sequential circuit into a combinational circuit?

My question in general asks how to transform a sequential circuit/FSM into a combinational circuit. The reason why I'm asking is in SAT solving, we can use only combinational circuits. And so in ...
Xpleria's user avatar
  • 400
-1 votes
1 answer
4k views

Running UVM example on MODELSIM - ALTERA 10.1d

I want to compile and simulate this simple UVM example using Modelsim-Altera 10.1d tool. ...
Abhi's user avatar
  • 141
1 vote
2 answers
5k views

What do the terms code coverage and functional coverage refer to when it comes to digital design verification

It seems that verifying a design is a more complex task than the actual design itself and takes a lot longer to carry out. We may even need to create testbench to very the original testbench that ...
quantum231's user avatar
0 votes
2 answers
105 views

How to write testbench for digital circuits that output video/audio signal

As far as I have seen, a testbench will provide some stimulus to a DUT and the output shall be compared with expected values. This is one way to verify. Many digial circuits however, may produce more ...
quantum231's user avatar
16 votes
8 answers
17k views

What is the difference between testing and verification?

Every textbook I've seen makes a big deal of the fact that testing and verification are two different concepts. Yet none of them provides a clear (or clear enough to me, at last) distinction. To ...
VHDL Addict's user avatar
1 vote
1 answer
316 views

Specman UVM: What is the difference between write_reg { .field == 2;}; and write_reg_fields?

I'm working with vr_ad package for e. My question is: What is the difference between 2 following macros for modifying registers (suppose ...
Halona's user avatar
  • 121

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