Andrew Beckett
Senior Fellow
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Life, don't talk to me about Life...
Posts: 1742
Bracknell, UK
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Over the last few years I've seen a gradual increase in the number of people who are specializing in Analog/Mixed-Signal Verification, as a separate activity from design.
In the digital world, there's a recognition that design and verification are different tasks, each with their own specialities and expertise.
There's a growing recognition that having similar disciplines for Analog/Mixed-Signal verification is useful and indeed desirable. Knowing how to verify a mixed-signal system efficiently and accurately is a different skill-set than doing the design in the first place. Often the designer is too close to the design to be able to effectively verify it (not always, and some designers are very good at this, but having a more formal approach to verification does not always come naturally to many analog designers).
I'm sure Ken and Henry would concur with this, as this is (I believe) a cornerstone of their consultancy.
Languages such as Verilog AMS and VHDL AMS are empowering this kind of verification, as are tools such as ADE XL, which is encouraging a more specification-driven approach to verification.
That said, there are still a lot more people doing design than analog/mixed-signal verification.
Regards,
Andrew.
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