If you're in California southern Central Coast area (Ventura, Santa
Barbara, Thousand Oaks, etc.) the local IEEE chapter is sponsoring a
talk on phase noise and Verilog
https://events.vtools.ieee.org/m/172159
PLL'S AND PHASE NOISE MODELING IN VERILOG
Verilog is the accepted language of choice for modeling and simulating
digital designs. For analog blocks the tool choice is a low level
circuit simulator like HSPICE or Spectre. For PLL’s a common
misconception is that you can use Verilog to model a PLL if you don't
care about accuracy, but if you do care about precision, you'll need an
analog circuit simulator like HSPICE or Spectre. Various options like
Verilog-A and Verilog-AMS are attempts to achieve the best of both
worlds, but in this talk, we propose that the tool of choice for
modeling and studying PLL’s and is plain “digital” Verilog. It's the
right tool, but almost always used the wrong way for modeling PLL's.
Understanding how the underlying simulation engine in Verilog works
enables us to set up our models in a very precise, yet very simple
manner. The efficiency and speed of Verilog allows us to literally watch
our PLL designs come alive in the time domain with timing accuracy that
can't be achieved in an analog circuit simulator. Watching designs
operate in the time domain crystalizes our understanding of them, and
enables us to study and quantify transient and other non-linear phenomena.
Biography:
Greg Warwar received a master’s degree in electrical engineering from
Rice University in 1989. Following graduation, he joined Texas
Instruments in Dallas, TX as a member of the technical staff where he
worked on ΣΔ analog to digital converters for precision audio
applications. In 1992, he joined Vitesse Semiconductor in Camarillo, CA
where he worked for 23 years on high speed serial communications IC’s,
focusing on many areas of analog and mixed-signal design including
VCO’s, phase locked loops, clock recovery, frequency synthesizers, and
adaptive equalization. Since 2015, Greg has been a principal engineer in
the mixed-signal ASICs design group at Teradyne, Inc. in Agoura Hills,
CA. Greg holds six U.S. patents in the area of CMOS mixed-signal IC design.
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